LTV 1150 Service Manual

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LTV

1200 and LTV

1150 are trademarks belonging to Pulmonetic Systems

2008 Pulmonetic Systems, Minneapolis, Minnesota.

p/n 18603-001, Rev. C

Revision History

Revision Level

Rev. A, ECO 4188

Rev. B, ECO 4950

Rev. C, ECO 5407

Contact Information

Cardinal Health

Pulmonetic Systems

17400 Medina Rd., Suite 100

Minneapolis, Minnesota 55447-1341

Phone: (763) 398-8500

Office Fax: (763) 398-8400

LTV

1200/1150 Ventilator Service Manual

Revision Date

September 2006

March 2008

July 2008

Page i

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Page 1 Sales/Marketing E-mail: info@pulmonetic.com Customer Care Center E-mail: service@pulmonetic.com Pulmonetic Systems Website: http://www.pulmonetic.com ® ® 1200 and LTV 1150 are trademarks belonging to Pulmonetic Systems © Copyright 2008 Pulmonetic Systems, Minneapolis, Minnesota. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page i...
Page 2 This manual is intended for use only by service personnel who have been trained and ® authorized by Pulmonetic Systems to service the LTV 1200/1150 ventilator. Pulmonetic Systems does not condone or approve of service activity on its products by untrained and unauthorized personnel.
Page 3 ® The LTV 1200/1150 ventilator complies with limitations as specified in IEC 601-1-2 for Medical Products. It does however, use and radiate radio frequency energy. The function of this machine may be adversely affected by the operation of other nearby equipment, such as high frequency surgical diathermy equipment, short-wave therapy equipment, defibrillators or MRI equipment.
Page 4: Table Of Contents
Flow Differential Calibration ....................6-10 Valve Differential Calibration....................6-13 PEEP Pilot Pressure Transducer Calibration ..............6-16 ® Inlet Pressure Calibration (LTV 1200 Only) ..............6-17 Motor Drive Calibration .......................6-19 Measure Turbine Speed (T/S) ....................6-21 ® Page iv 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 5 LTM mounting assembly new installation (current LTM)............ 8-20 ® LTM/LTV mounting bracket (earlier model LTM) .............. 8-22 LTM/LTV mounting bracket temporary removal (earlier model LTM) ........ 8-23 LTM/LTV mounting bracket permanent removal (earlier model LTM) ....... 8-24 ® LTM/LTV mounting bracket, reinstallation (for earlier model LTM) ........8-25 ®...
Page 6 Performance Checkout Worksheet ..................9-23 12 Hour Burn-in ........................9-28 12 Hour Burn-in Worksheet ....................9-30 Appendix A - Ventilator Specifications ............A-1 Appendix B - Glossary..................B-1 Appendix C - Service Record Form ...............C-1 ® Page vi 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 7 Settings, Dip Switch........................ E-10 Settings, Front Panel Controls and Extended Features ............E-11 Tools, Required ........................E-12 Transducer Calibration, Acceptable A/D Counts..............E-16 Torque Values ........................E-17 Appendix F - Index...................F-1 ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page vii...
Page 9: Getting Assistance
This manual describes how to perform routine maintenance, troubleshooting, and repairs on ® the LTV 1200/1150 ventilator. It is designed for use by service personnel who have been trained and authorized by Pulmonetic Systems. Do not perform any of the procedures in ®...
Page 10: Operator's Safety Information
Operator’s Safety Information All Operators must read and understand the following information about Warning, Caution ® and Note statements before operating the LTV 1200/1150 ventilator. General warnings and cautions which apply any time you use the ventilator are listed here.
Page 11: Warnings
Untrained Personnel – Only properly trained personnel should operate the ventilator. The ® 1200/1150 ventilator is a restricted medical device designed for use by Respiratory Therapists or other properly trained and qualified personnel under the direction of a physician and in accordance with applicable state laws and regulations.
Page 12: Cautions
1200/1150 ventilator, comply with all recommended care procedures as specified by the filter manufacturer. ® Wet or Damp Filters - Do not install any wet or damp filters into the LTV 1200/1150 ventilator. This could damage the ventilator. Software Version – Never install a version of software lower than that originally installed in ®...
Page 13: Symbols
Electronic Equipment (WEEE) that is 2002/96/EC not to be disposed of as unsorted municipal waste and is to be collected separately. Reference IEC Medical Electrical Equipment, 2 . Edition 1988 ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 1-5...
Page 14 ® Page 1-6 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 15 This chapter details test procedures that are initiated through the Vent Check menu and ® used to verify the proper operation of the LTV 1200/1150 ventilator. These checkout tests are to be performed before using the ventilator on a patient and in accordance with recommended periodic maintenance and testing of the ventilator.
Page 16 The audible alarm silences, and the display changes from REMOVE PTNT to VENT CHECK. To enter the Ventilator Checkout menu: Press Select. The first Ventilator Checkout Test, ALARM is displayed. ® Page 2-2 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 17: Alarm Test
If the ventilator fails the alarm test, see Chapter 7 - Troubleshooting for more information. NOTE ® ® Although the LTV 1200 Front Panel is shown, the test is applicable to the LTV 1150 Ventilator. ® p/n 18603-001, Rev. C...
Page 18: Display Test
The Vent Inop LED is tested during the Vent Inop alarm test (see page 2-10). ® ® • Although the LTV 1200 Front Panel is shown, the test is applicable to the LTV 1150 Ventilator. ® Page 2-4 1200/1150 Ventilator Service Manual...
Page 19 Silence Reset LED Pressure Mode LED Green If the ventilator fails the display test, see Chapter 7 - Troubleshooting for more information. ® Available on the LTV 1200 Only. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 2-5...
Page 20: Control Test
Set Value knob are working correctly. To run the control test: Press Select while CONTROL is displayed. SELECT is displayed in the display window. ® Page 2-6 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 21 NOTE ® ® Although the LTV 1200 Front Panel is shown, the test is applicable to the LTV 1150 Ventilator. Test each control by pressing every button, one at a time. When each one is pressed, verify that the name of the button is displayed in the display window.
Page 22: Leak Test
When the warm-up period is complete, the leak test menu is redisplayed. ® ® • Although the LTV 1200 Front Panel is shown, the test is applicable to the LTV 1150 Ventilator. ® Page 2-8 1200/1150 Ventilator Service Manual...
Page 23 8) To exit the leak test, press Select again. The next menu item is displayed. If the ventilator fails the leak test, see Chapter 7 - Troubleshooting for more information. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 2-9...
Page 24: Vent Inop Alarm Test
If the ventilator fails the Vent Inop alarm test, see Chapter 7 - Troubleshooting for more information. NOTE ® ® Although the LTV 1200 Front Panel is shown, the test is applicable to the LTV 1150 Ventilator. ® Page 2-10 1200/1150 Ventilator Service Manual...
Page 25: Exit
2) Press Select while EXIT is displayed. Alternatively, press Control Lock repeatedly until normal ventilation mode is restored. After performing POST, the ventilator begins ventilation using the previously stored settings. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 2-11...
Page 26 ® Page 2-12 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 27 Flow differential pressure as measured at the patient wye using the wide scale transducer. Differential pressure is measured between the high and low side proximal sense lines. ® Available on the LTV 1200 Only. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 3-1...
Page 28 Oxygen inlet pressure in PSIG as measured at the inlet ® pressure transducer (LTV 1200 only). BV xx.xx VOLTS Internal battery voltage. EV xx.xx VOLTS External power voltage. PPP xx.xx Pressure in the PEEP accumulator (PEEP Pilot Pressure) ® Page 3-2 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 29: Cleaning The Ventilator
Be sure to wipe away any residual cleaner. CAUTION ® Ventilator Sterilization – To avoid irreparable damage to the LTV 1200/1150 ventilator, do not attempt to sterilize it. Cleaning Agents – To avoid damaging the ventilator’s plastic components and front panel, do not use cleaning agents containing ammonium chloride, other chloride compounds, more than 2% glutaraldehyde, phenols, or abrasive cleaners.
Page 30: Cleaning Or Replacing The Fan Filter
Reposition the filter grill over the filter and apply light pressure until it fully seats (“clicks”) into the filter housing. CAUTION ® Wet or Damp Filters - Do not install a wet or damp filter into the LTV 1200/1150 ventilator. This could damage the ventilator. ®...
Page 31: Cleaning Or Replacing The Inlet Filter
5) Allow the filter to thoroughly air dry before reinstallation. 6) Reinstall the filter. CAUTION ® Wet or Damp Filters - Do not install a wet or damp filter into the LTV 1200/1150 ventilator. This could damage the ventilator. ®...
Page 32: Cleaning Or Replacing The O 2 Inlet Filter (Ltv ® 1200 Only)
CAUTION ® Oxygen Supply Contamination - The accuracy of the oxygen delivery capabilities of LTV 1200/1150 ventilator can be compromised by foreign debris contamination in the oxygen supply system. To reduce the risk of airborne contaminants entering the ventilator, ensure...
Page 33 6) Reconnect the high pressure O line. CAUTION ® Wet or Damp Filters - Do not install a wet or damp filter into the LTV 1200 ventilator. This could damage the ventilator. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual...
Page 34: Cleaning The Exhalation Valve And Reusable Patient Circuit
Failing to do this can result in ineffective ventilation and possible harm to the patient. Refer to Leak Test in Chapter 2 – Ventilator Checkout Tests for detailed instructions. ® Page 4-6 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 35: Recommended Maintenance Schedule
For the number of hours the ventilator has been in service, see Extended Features in the LTV Series Operator’s Manual. If the battery is deeply discharged, it may take several charge and discharge cycles before it is at full capacity.
Page 36: Before Initial Use
® To prevent damage to the LTV 1200/1150 ventilator internal battery while in storage, connect the ventilator to an AC power source for 24 hours every 2 months to recharge. While recharging in the standby mode, the Charge Status Indicator LED displays as flashing amber, solid amber or solid green.
Page 37: 10,000 Hour / 2 Year Maintenance
Qualified technicians – Only service technicians who have been trained and certified by ® Pulmonetic Systems to service the LTV 1200/1150 ventilator are qualified to perform the ® 10,000 and 30,000 hour maintenance on LTV 1200/1150. Do not attempt to service the ventilator unless you have been properly trained to do so, personal injury could result.
Page 38 ® Page 5-4 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 39: Chapter 6 - Maintenance & Calibration
® Blender (LTV 1200 only). In addition, this chamber provides acoustic silencing to reduce the Rotary Compressor input noise. Mixed gas then enters the Rotary Compressor Turbine, where energy is added to the gas stream as required to meet the pressure and flow delivery requirements of the current ventilation settings.
Page 40 A PEEP transducer is used to monitor the pilot pressure in the accumulator. This pilot pressure ® is used in conjunction with the airway pressure transducer by the LTV software to control delivered PEEP. A Differential Pressure transducer is provided to measure the delta pressure developed across the flow transducer.
Page 41: Pneumatic Schematic Detail
Pneumatic Schematic Detail ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 6-3...
Page 42: Vent Maintenance
The maintenance menu is set up as follows: VENT MTNCE CALIBRATION SERVO SOLENOID STEP TEST WDOG TEST CONFIG CLEAR EXIT ® Page 6-4 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 43: Entering Vent Maintenance Mode
Entering Vent Maintenance Mode WARNING ® Ventilator Checkout and Maintenance Modes - The LTV 1200/1150 ventilator does not deliver gas during the ventilator Checkout mode (VENT CHECK) or ventilator Maintenance mode (VENT MTNCE) and should not be used to ventilate a patient during these tests.
Page 44: Vent Maintenance Entry Alarm
The ventilator should be calibrated in DATA mode, to leverage the unique code and timers that make test results more consistent. ® Page 6-6 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 45: Airway Pressure Calibration
5) Disconnect the tubes from the ventilator ports. Open the pinch clamp on the pressure supply tube to the syringe. The Calibration Syringe is available separately, or as part of the Maintenance Calibration Kit, P/N 11566. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 6-7...
Page 46 Pulmonetic Systems using the information at the front of this manual. NOTE For best calibration results, allow the ventilator to warm up by running it for at least 20 minutes prior to beginning the calibration procedures. ® Page 6-8 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 47: Calibrate The Airway Pressure Transducers
FLOW DIFF is displayed if the calibration was successful. If CAL FAIL appears at any time, press Select to exit the calibration. When AIRWAY is displayed, press Select and perform the calibration again. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 6-9...
Page 48: Flow Differential Calibration
1) Press the Select button while FLOW DIFF is displayed. FD -30 O is displayed. The Calibration Syringe is available separately, or as part of the Maintenance Calibration Kit, P/N 11566. ® Page 6-10 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 49 Tidal Volume setting window. When the displayed value is stable, press Select. Record that value on the Calibration Worksheet. FD 80 ± 70 AD is displayed. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 6-11...
Page 50 VALVE DIFF is displayed if the calibration was successful. If CAL FAIL appears at any time, press Select to exit the calibration. When FLOW DIFF is displayed, press Select and perform the calibration again. ® Page 6-12 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 51: Valve Differential Calibration
Calibration syringe assembly , P/N 11471, with a T-connection to a pressure manometer (0-90 cmH The Calibration Syringe is available separately, or as part of the Maintenance Calibration Kit, P/N 11566. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 6-13...
Page 52 With the back of the ventilator open, (see Chapter 8 - Component Removal and Replacement), disconnect both flexible tubes from the valve differential transducer on the analog board. NOTE See instructions beginning on page 8-33 for tube routing diagrams, tables and instructions. ® Page 6-14 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 53 (high pressure). If CAL FAIL appears at any time, press Select to exit the calibration. When VALVE DIFF is displayed, press Select and perform the calibration again. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 6-15...
Page 54: Peep Pilot Pressure Transducer Calibration
Observe the numbers displayed in the Tidal Volume setting window. When the displayed value is stable, press Select. Record that value on the Calibration Worksheet. 5) Reconnect the flexible tube to the pilot pressure transducer of the analog PCBA. ® Page 6-16 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 55: O 2 Inlet Pressure Calibration (Ltv ® 1200 Only)
To calibrate the O inlet pressure transducer Press the Select button while O2 INLET is displayed. O2 50 PSI is displayed. Increase to and maintain the pressure at 50.0 ±0.2 PSI. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 6-17...
Page 56 MOTOR DRIVE is displayed if the calibration was successful. If CAL FAIL appears at any time, press Select to exit the calibration. When O2 INLET is displayed, press Select and perform the calibration again. ® Page 6-18 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 57: Motor Drive Calibration
Turn the calibration tool to Open. Ammeter Motor Drive Calibration Tool The Motor Drive Calibration tool or Stepper Motor Calibrator is available separately, or as part of the Maintenance Calibration Kit, P/N 11566. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 6-19...
Page 58 If CAL FAIL appears at any time, press Select to exit the calibration. When MOTOR DRIVE is displayed, press Select and perform the calibration again. ® Page 6-20 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 59: Measure Turbine Speed (T/S)
Connect the black meter test lead to chassis ground on the ventilator. Touch the red meter test lead to PIN 15 of connector J5 on the Motor PCBA as shown below. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 6-21...
Page 60 If the measured T/S value is outside of the above range, check the setup and repeat the test. For assistance, call technical support at Pulmonetic Systems using the contact information at the front of this manual. ® Page 6-22 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 61: Vent Maintenance Exit
4) Replace the back panel (see Back Panel, Reinstallation in Chapter 8). Turn the ventilator on to resume normal operation. Sampling Tube, P/N 10544, ~10.0” long, 0.125” O.D. X 0.079 I.D. clear polycarbonate tubing. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 6-23...
Page 62: Calibration Worksheet
Phase A / -600 ma Phase B / +600 ma Phase B / -600 ma Record Actual Measured Turbine Speed DIP Switch #5 re-set at end of Calib. Procedure Check ® Page 6-24 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 63: Flow Valve Calibration
Is the Motor bracket interfering with the side weldment? • Are any of the screws loose, including the screws for the Drive Band, Motor bracket, Sensor PCB, and Flag? ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 6-25...
Page 64 102.01 - 107.00 11.27 107.01 - 112.00 11.23 Monitor the FVd pressure from the RT XDCR DATA menu. Adjust the turbine speed until the FVd pressure reaches 15.00 ±.10 cmH ® Page 6-26 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 65 Record the ending VHome position, turbine speed, and measured flow on the flow valve Calibration Worksheet at the end of this section. Install new VHome label showing the resulting VHome position. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 6-27...
Page 66: Flow Valve Calibration Worksheet
8 k) Flow valve calibration results VHOME position Enter final VHOME position TS (Turbine speed) Enter turbine speed for FVd = 15 cmH Measure final 10 Lpm flow Enter measured value ® Page 6-28 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 67: Servo
To Home the flow valve, press Manual Breath. After the home is complete, the valve will return to its previous position. ® For information on performance tolerances, see Appendix A - Ventilator Specifications in the LTV 1200 or the ®...
Page 68: Solenoid
Select while it is displayed in the window. Pressing Select toggles the state of the solenoid on and off. Solenoids are automatically set to the off state when you enter the Calibration menu. ® Page 6-30 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 69: Step Test
(where “X” is a number greater than 8) Ventilator Settings and Procedure Performance Requirement Steps 1 through 3 (above). PASS X 4) If ventilator fails this test, replace the flow valve assembly and re-test. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 6-31...
Page 70: Watchdog Test
Possible Cause What To Do Vent does not reset when Defective main board. Replace the main board. See watchdog test is performed. Chapter 8 - Main Board Assembly for instructions. ® Page 6-32 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 71: Configuration
Configuration ® The Configuration menu is used to set the operational parameters for LTV ventilators. The Configuration menu is set up as follows: CONFIG MODEL FLOW VALVE TEMP COMP SERIAL NUM CONFIG EXIT Use the Set Value knob to rotate between options.
Page 72: Model Selection
Model Selection ® The model selection menu is used to select the appropriate model of LTV ventilator. This configuration option determines which functions are available for the selected unit. The model selected should match the model number on the front of the ventilator. The menu is...
Page 73: Flow Valve Home Position
Incorrect settings - Selecting an incorrect valve home position will cause the flow valve to operate incorrectly and could result in volumes and flows that are too large or too small for the patient. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 6-35...
Page 74: Temperature Compensation
The Temperature Compensation menu is used to set the temperature compensation for the flow valve ON or OFF. NOTE ® ® This configuration menu is used for many models of LTV . For the LTV 1200/1150, which always has a Thermistor installed, the setting for Temperature Compensation is always ON. CAUTION ®...
Page 75: Configuration Menu Exit
1) Press Select while CONFIG EXIT is displayed. 2) CONFIG is displayed. To access other Vent Maintenance menu options, turn the Set Value knob to the desired item and press Select. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 6-37...
Page 76: Clear
All calibration records are removed, the unit must be recalibrated prior to powering down the ventilator. Non-volatile memory is memory that is not erased when the ventilator is turned off or disconnected. ® Page 6-38 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 77: Vent Maintenance Menu Exit
Set Value knob to the desired item and press Select. 3) To return the ventilator to normal operation, see the instructions under Vent Maintenance Exit at the beginning of this section. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 6-39...
Page 78 ® Page 6-40 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 79: Chapter 7 - Troubleshooting
Pulmonetic Systems to service the LTV 1200/1150 ventilator are authorized to ® perform repairs or maintenance on LTV 1200/1150. Do not attempt to repair or replace any part of the ventilator unless you are trained and certified by Pulmonetic Systems. Personal injury could result. NOTE Event log entries are only one of many diagnostic tools used to troubleshoot the ventilator.
Page 80: Displays And Buttons
FLOW TERM is set to on. expires. Flow termination of pressure control breaths is allowed when PC FLOW ® TERM is set to ON (See the LTV 1200 or ® the LTV 1150 Ventilator Operator's Manual for an explanation of this feature).
Page 81 LOW MIN VOL message is displayed when a low minute volume alarm occurs. The display will continue to flash even ® after the condition clears. (See the LTV ® 1200 or the LTV 1150 Ventilator Operator's Manual for an explanation of the LOW MIN VOL alarm feature.)
Page 82 (See the Set Value knob ® ® 1200 or the LTV 1150 Ventilator doesn't operate. Operator's Manual for an explanation of Bright, Dim and Blank Control Displays.) Controls are locked.
Page 83 HARD unlock method Two unlock methods are available on the Can’t unlock the ® ® controls selected under CTRL 1200/1150 ventilator: (See the LTV ® 1200 or the LTV 1150 Ventilator UNLOCK Operator's Manual for an explanation of this feature.) To unlock in EASY mode, press and release the Control Lock button.
Page 84 This is an informational message only ® ® displayed. alarm is turned off. (See the LTV 1200 or the LTV 1150 Ventilator Operator's Manual for an explanation of this feature). HI f/Vt OFF is The SBT High f/Vt alarm is This is an informational message only ®...
Page 85: Ventilator Performance
If the bypass flexible tube is leaking, replace it. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 7-7...
Page 86 Failed auto zero. Perform an auto zero under XDCR ZERO ® ® See the LTV 1200 or the LTV 1150 Ventilator Operator's Manual for more information. VHome setting does not Correct the VHome setting. See Chapter 6 match flow valve.
Page 87 If the sense lines have been removed and replaced incorrectly, they may not seal correctly when replaced. Replace the patient wye and sense lines with a known good assembly. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 7-9...
Page 88 CONTINUED … Leak Compensation is not Verify that the Leak Compensation Extended Features option is set to On Monitored volume is ® (default setting is on). See the LTV 1200 low. ® or the LTV 1150 Ventilator Operator's Manual for more information.
Page 89 Leak Compensation is not Verify that the Leak Compensation Extended Features option is set to On ® (default setting is off). See the LTV 1200 ® or the LTV 1150 Ventilator Operator's Manual for more information.
Page 90 What to Do CONTINUED … Failed auto zero. Perform an auto zero under XDCR ZERO. ® ® See the LTV 1200 or the LTV 1150 Delivered pressure is Ventilator Operator's Manual for more low, PEEP is low, information. ventilator is auto VHome setting does not Correct the VHome setting.
Page 91 Failed auto zero. Perform an auto zero under XDCR ZERO. ® ® See the LTV 1200 or the LTV 1150 Ventilator Operator's Manual for more information. VHome setting does not Correct the VHome setting. See Chapter 6 match flow valve.
Page 92 Failed auto zero. Perform an auto zero under XDCR ZERO. ® ® See the LTV 1200 or the LTV 1150 Ventilator Operator's Manual for more information. VHome setting does not Correct the VHome setting. See Chapter 6 match flow valve.
Page 93 PEEP. Failed auto zero. Perform an auto zero under XDCR ZERO. ® ® See the LTV 1200 or the LTV 1150 Ventilator Operator's Manual for more information. Leak Compensation is not Extended Verify that the Leak Compensation Features option is set to On (default setting ®...
Page 94 Replace the solenoid manifold. See solenoid manifold. Solenoid Manifold Assembly in Chapter 8 for instructions. Defective solenoid. Incorrect O blender Perform the Advanced FiO Diagnostic solenoid output flow. Procedures, see page 7-27. ® Page 7-16 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 95 Replace the solenoid manifold. See solenoid manifold. Solenoid Manifold Assembly in Chapter 8 for instructions. Defective solenoid. Perform the Advanced FiO Diagnostic Incorrect O blender Procedures, see page 7-27. solenoid output flow. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 7-17...
Page 96 Defective solenoid mount Replace the solenoid mount assembly. assembly. See Solenoid Mount Assembly in Chapter 8 for instructions. Defective accumulator. Replace the accumulator. See Accumulator in Chapter 8 for instructions. ® Page 7-18 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 97 Ventilator Operator's Manual for more information. Leak Compensation is not Verify that the Leak Compensation Extended Features option is set to ON ® (default setting is on). See the LTV 1200 ® or the LTV 1150 Ventilator Operator's Manual for more information.
Page 98 PEEP Perform an auto zero under XDCR ZERO. Failed auto zero. ® ® See the LTV 1200 or the LTV 1150 Ventilator Operator's Manual for more information. If the bypass flexible tube is pinched, it Bypass flexible tube can usually be seen pressed against the pinched.
Page 99 Fitting connectors loosened nuts on the sense line and drive line wobble or loose. inside ventilator case. connectors. See Back Panel in Chapter 8 for instructions on opening the ventilator. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 7-21...
Page 100 Set communications setting to MONITOR Ventilator does not Communications setting is ® ® mode. See the LTV 1200 or the LTV work with LTM not set to MONITOR mode. 1150 Ventilator Operator’s Manual, for Graphics Monitor. detailed instructions. Check the Communications Data Cable Defective connections connection between the ventilator’s...
Page 101: Advanced Diagnostic Procedures
12, Tidal Volume to 500 ml and Inspiration Time to 1.5 seconds. Attach a test lung with a compliance of 10ml/cmH O and a resistance of 5 cm/L/sec and allow the unit to warm up for one hour. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 7-23...
Page 102 Disconnect from the ventilator so the connection is open to ambient air. When the display value stabilizes, verify the AP readout is within ± 0.5 cmH ® Page 7-24 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 103 Assembly in Chapter 8 for instructions and repeat the test. • If the results for the transducers are within tolerance, perform the flow valve Accuracy Checkout tests to determine accuracy of the flow valve. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 7-25...
Page 104 See Flow Valve Assembly in Chapter 8 for instructions . Using the 3-finger technique enables a modified mode of VENT MTNCE in which testing may be performed, but Calibration procedures and changing Configuration settings can not. ® Page 7-26 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 105: Advanced Fio 2 Diagnostic Procedures (Ltv ® 1200 Only)
>35.0 but < 42.5 Lpm <35.0 or >65.0 >57.5 but <65.0 Lpm 90 Lpm - 7000 RPM 76.5 to 103.5 Lpm >63.0 but < 76.5 Lpm <63.0 or >117.0 >103.5 but <117.0 Lpm ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 7-27...
Page 106 Set DIP switch # 5 to Off, power the ventilator Off and reinstall or replace the O blender per instructions O2 Blender Assembly in Chapter 8. ® Page 7-28 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 107: Power And Battery Operation
Power up the vent and check the EVENT TRACE for events indicating the reason for ® ® Vent Inop. See the LTV 1200 or the LTV 1150 Ventilator Operator's Manual for information on reading the event trace. Memory board JP3...
Page 108 If the battery won’t charge completely after replacing it, there may be a problem with the charge circuit on the power board. Replace the power board. See Power Board Assembly in Chapter 8 for instructions. ® Page 7-30 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 109 Replace the internal battery. See Chapter 8 - Internal Battery Pack for instructions. Defective power board. Replace the power board. See Power Board Assembly in Chapter 8 for instructions. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 7-31...
Page 110: Alarms
Many alarms such as HIGH PRES or LOW O2 PRES can occur during normal operation. ® ® Information on addressing alarms is covered in the LTV 1200 or the LTV 1150 Ventilator Operator's Manual. Single occurrences of some alarms, such as HW FAULT or RESET may be caused by ESD.
Page 111 High or low sense ports in reversed the wye are occluded. Check the exhalation drive line at both the ventilator and exhalation valve ends. Verify the line is securely seated and not leaking. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 7-33...
Page 112 Replace the analog board. See Analog analog board. Board Assembly in Chapter 8 for instructions. Defective auto zero Replace the solenoid manifold. See solenoid. Solenoid Manifold Assembly in Chapter 8 for instructions. ® Page 7-34 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 113 AD MMTCH below for the specific error type. (See the AD MTCH1 ® ® 1200 or the LTV 1150 Ventilator EEPROM Operator's Manual for instructions on using FAN FLT1 the event trace.) HOME ER1...
Page 114 On/Standby button. Event Log shows LN VENT1 RESET alarms: RESET alarm. Check the Event Trace to determine the ® kind of error. (See the LTV 1200 or the Repeated RESET ® POST 1150 Ventilator Operator's Manual for alarms. RUNAWAY instructions on using the event trace.)
Page 115 Replace the memory board. See Memory Board in Chapter 8 for instructions. ® Repeated HIGH f Total Breath Rate (f) Check HIGH f alarm values. (See the LTV ® alarms. exceeds the set HIGH f 1200 or the LTV 1150 Ventilator alarm values.
Page 116 Systems’ service technician. light. ® Repeated SBT > f Total Breath Rate (f) Check SBT > f alarm value. (See the LTV ® alarms. exceeds the set SBT > f 1200 or the LTV 1150 Ventilator alarm value.
Page 117 Check SBT > f/Vt alarm value. (See the ® ® alarms. exceeds the set SBT > f/Vt 1200 or the LTV 1150 Ventilator alarm value. Operator's Manual for instructions). Patient Circuit leak. Do a Leak test and reseat or replace the leaking parts or connections.
Page 118: Checkout Test Failures
Possible Causes What to Do ALARM Test Alarm volume set too high. Set the alarm volume under the Extended ® Features Menu. (See the LTV 1200 or Audible alarm too loud. ® the LTV 1150 Ventilator Operator's Manual for an explanation of the ALARM VOL feature.)
Page 119 - Maintenance & Calibration. LEAK Test Internal problem with the Verify wiring to turbine. Replace turbine turbine. manifold or motor PCBA. Leak test fails with LEAK --- FAIL message. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 7-41...
Page 120 Assembly in Chapter 8 for instructions) WDOG Test Defective main board. Replace the main board. See Main Board Assembly in Chapter 8 for instructions. Vent does not reset when watchdog test is performed. ® Page 7-42 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 121: Test Lung Operation
To reduce the jetting effect, add a short larger bore extension between the ET tube and the wye if clinically advisable. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 7-43...
Page 122 ® Page 7-44 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 123: Chapter 8 - Component Removal And Replacement
1200/1150 ventilator are authorized to ® perform repairs or maintenance on LTV 1200/1150. Do not attempt to repair or replace any part of the ventilator unless you are trained and certified to do so by Pulmonetic Systems. Personal injury could result.
Page 124: Tools
Maintenance and Calibration processes or Component Removal and Replacement procedures, see Appendix E - Reference Information. Calling for Assistance ® If a problem occurs while maintaining the LTV 1200/1150 ventilator or if you require additional information you can contact a trained technical support representative at: Cardinal Health Pulmonetic Systems 17400 Medina Rd., Suite 100...
Page 125: Before Removing The Back Panel
After performing maintenance on the LTV 1200/1150, the tests detailed in Chapter 9 - Final ® Checkout Test must be run. Some maintenance procedures also require that the LTV 1200/1150 ventilator be partially or completely recalibrated. CAUTION Verification of operation - After opening the ventilator and performing any maintenance, verify proper operation of the ventilator by performing the checks and calibrations recommended in Chapter 9 - Final Checkout Test.
Page 126: Boots, Protective
Accessory Mounting Screws - Refer to the information supplied with the replacement screws kit, P/N 11149, to determine the appropriate screws to use when removing or ® exchanging external accessories on an LTV 1200/1150 ventilator. ® Page 8-4 1200/1150 Ventilator Service Manual p/n 18603-001, Rev.
Page 127: Boots, Temporary Removal
Remove the upper boot. Contained in Pulmonetic Systems Replacement Screws kit, P/N 11149. See Appendix E - Reference Information, External Accessories Screw Location, Type and Length for additional information. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-5...
Page 128 Retain the screws and finish washers for reuse when the lower boot is reinstalled. Remove the lower boot. See Appendix E - Reference Information, External Accessories Screw Location, Type and Length for additional information. ® Page 8-6 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 129: Boots, Permanent Removal
Contained in Pulmonetic Systems Replacement Screws kit, P/N 11149. See Appendix E - Reference Information, External Accessories Screw Location, Type and Length for additional information. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-7...
Page 130 Torque tighten the two screws in the sides of the ventilator to 20 in-oz (0.14 Nm) CAUTION Damage to finish washers -Do not over tighten screws to avoid damage to the finish washers. ® Page 8-8 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 131 Damage to finish washers -Do not over tighten screws to avoid damage to the finish washers. See Appendix E - Reference Information, External Accessories Screw Location, Type and Length for additional information. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-9...
Page 132: Boots, Reinstallation
Contained in Pulmonetic Systems Replacement Screws Kit, P/N 11149 See Appendix E - Reference Information, External Accessories Screw Location, Type and Length for additional information. ® Page 8-10 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 133 Torque tighten the screws in the sides of the boot to 20 in-oz (0.14 Nm) CAUTION Damage to finish washers -Do not over tighten screws to avoid damage to the finish washers. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-11...
Page 134 Damage to finish washers -Do not over tighten screws to avoid damage to the finish washers. See Appendix E - Reference Information, External Accessories Screw Location, Type and Length for additional information. ® Page 8-12 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 135: Boots, New Installation
Boots, New Installation Parts Required for Installation: Tools required: ® • • 1200 Protective Boot, Upper (1) Phillips screwdriver with P/N 11421 torque meter ® • 1200 Protective Boot, Lower (1) P/N 11420 ® • 1150 Protective Boot, Upper (1) P/N 19033-001 •...
Page 136 Torque tighten the screws in the sides of the boot to 20 in-oz (0.14 Nm) CAUTION Damage to finish washers -Do not over tighten screws to avoid damage to the finish washers. ® Page 8-14 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 137 Damage to finish washers - Do not over tighten screws to avoid damage to the finish washers. See Appendix E - Reference Information, External Accessories Screw Location, Type and Length for additional information. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-15...
Page 138: Ltm/Ltv Mounting Assembly Installation And Removal
• ® Instruction sheet, LTM™ to LTV mounting bracket (1), p/n 18081-001 ® In order to accommodate an LTM™ Graphics Monitor, an LTM/ LTV mounting assembly ® must be attached to the LTV 1200/1150 ventilator. ® To access internal components of the LTV ventilator for service, the mounting bracket must be removed.
Page 139: Current Model Ltm Instructions
Use a small Philips screwdriver and remove the five back panel mounting screws and the LTM mounting assembly, as shown. Retain the screws for reuse when the mounting assembly is reinstalled. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-17...
Page 140: Ltm Mounting Assembly Permanent Removal (Current Ltm)
Mounting Screw Use – Internal damage to the ventilator with resulting harm to the patient. may result if the wrong length mounting screws are used when installing or removing external accessories. ® Page 8-18 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 141: Ltm Mounting Assembly Re-Installation (Current Ltm)
Torque tighten all five mounting screws to 60 in-oz (0.42 Nm). You may need to apply some pressure to the back panel and housing to correctly align the threads and insert the screws. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-19...
Page 142: Ltm Mounting Assembly New Installation (Current Ltm)
P/N 11149, to determine the appropriate accessory mounting screws or accessory ® replacement screws to use when removing or exchanging external accessories on an LTV 1200/1150 ventilator. The following illustration shows the correct orientation and placement of the LTM mounting ®...
Page 143 6) Torque tighten all five mounting screws to 60 in-oz (0.42 Nm). You may need to apply some pressure to the back panel and housing to correctly align the threads and insert the screws ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-21...
Page 144: Ltm/Ltv ® Mounting Bracket (Earlier Model Ltm)
P/N 11149, to determine the appropriate accessory mounting screws or accessory replacement screws to use when removing or exchanging external accessories ® on an LTV 1200/1150 ventilator. ® Page 8-22 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 145: Ltm/Ltv Mounting Bracket Temporary Removal (Earlier Model Ltm)
LTM/LTV mounting bracket temporary removal (earlier model LTM) Parts required for replacement: Tools required: • • None Phillips screwdriver with torque meter • 7/64” Allen wrench To temporarily remove the LTM/LTV mounting bracket: Lay the disconnected ventilator on a clean dry surface. Use a 7/64” Allen wrench to remove the three mounting block screws and mounting block, as shown below.
Page 146: Ltm/Ltv Mounting Bracket Permanent Removal (Earlier Model Ltm)
LTM/LTV mounting bracket permanent removal (earlier model LTM) Parts required for replacement: Tools required: • • Replacement Screws Kit, P/N 11149 Phillips screwdriver with torque meter ® To permanently remove the LTM/LTV mounting bracket: ® Remove the LTM/ LTV mounting block and bracket (see instructions on page 8-23).
Page 147: Ltm/Ltv ® Mounting Bracket, Reinstallation (For Earlier Model Ltm)
® bored screw holes to the corresponding PEM nuts on the bracket. Insert three mounting block screws, use a 7/64” Allen-wrench and torque tighten to 60 in-oz (0.42 Nm). ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-25...
Page 148: Ltm/Ltv ® Mounting Bracket New Installation (Earlier Model Ltm)
® Contained in Pulmonetic Systems LTM to LTV Mount Assembly Kit, P/N 11003. See Appendix E - Reference Information, External Accessories Screw Location, Type and Length for additional information.
Page 149 PEM nuts on the bracket. Insert three mounting block screws, use a 7/64” Allen-wrench and torque tighten to 60 in-oz (0.42 Nm). ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-27...
Page 150: Back Panel
Back Panel Back Panel, Removal ® 1) If installed, remove the LTV protective boots (see instructions on page 8-5) and the ® LTM/ LTV mounting bracket (see instructions on page 8-23). 2) Turn the ventilator face down. Remove the 6 flat-head screws and gray finish washers from the right and left sides of the ventilator as shown (3 from each side).
Page 151: Back Panel, Reinstallation
Contact Pulmonetic Systems for back panel replacement information. Sampling Tube, P/N 10544, ~10.0” long, 0.125” O.D. X 0.079 I.D. clear polycarbonate tubing. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-29...
Page 152 Loctite 4541 Adhesive. Verify the grounding clips connected to the oxygen blender are aligned correctly inside ® the housing (clips should not be visible when screws are tightened down). (LTV 1200 only) See O2 Blender Assembly in Chapter 8.
Page 153 Motor PCBA Heatsink and, • on top of the 3-wire Turbine Manifold connector Sampling Tube, P/N 10544, ~10.0” long, 0.125” O.D. X 0.079 I.D. clear polycarbonate tubing. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-31...
Page 154 (3 in each side). Torque to 20 in-oz (0.14 Nm). ® 20) If previously installed, replace the LTV Protective Boots (see instructions on page 8-10) and the LTM Mounting bracket (see instructions beginning on page 8-16).
Page 155: Internal Flexible Tubing
Internal Flexible Tubing ® Anytime service of internal components is performed on an LTV ventilator and internal tubing has been removed, it must be reattached as originally configured in order to ensure the proper operation of the ventilator. Pulmonetic Systems recommends that technicians review and become familiar with the existing tubing configuration prior to removing individual tubes and strictly adhere to the replacement instructions provided when reattaching them (point to point and layering).
Page 156: Tubing Table
Between tee fitting & top pilot-in 1.60” (± 0.1”) port 0.041m Between middle pilot-out port & 1.75” (± 0.1”) tee fitting at side panel exhaust 0.045m vent slot ® Page 8-34 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 157: Solenoid Manifold Tube Routing Table
Onto the side panel high pressure Flow Transducer port 11834 • female Luer fitting on outside of panel Onto Accumulator port A 11834 • through a tube & tee subassembly ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-35...
Page 158: Solenoid Mount Tube Routing Table
To a tee fitting positioned next to the louver on the side panel 10456 Pilot-out Bottom Through a wye subassembly onto the tee fitting in a tube & tee 10456 subassembly attached to Solenoid Manifold port # 9 ® Page 8-36 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 159: Tubing Removal/Replacement Instructions
See Tubing Table in this chapter for detailed descriptions and part numbers of individual flexible tubes. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-37...
Page 160 To replace internal flexible tubing: ® The LTV 1200/1150 ventilator contains additional components/tubing and consequently a ® more complex tube routing configuration than other LTV model ventilators. Detailed replacement instructions are necessary and are based on the assumption that some or all of the tubing, the Accumulator, Solenoid Mount assembly, Manifold to Back Panel Spacer, and Analog PCBA or Solenoid Manifold has been removed from the ventilator.
Page 161 Elbow fitting P/N 10958 into the open end of the 0.62” of tubing (ensure that the open ends of the elbow and tee fittings are rotated 90° from each other, as shown) ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-39...
Page 162 As applicable, install the Solenoid Manifold onto the Power PCBA (see instructions on page 8-116). ® Page 8-40 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 163 Filter P/N 18552-001 (screen in center) up to a maximum of 0.50” into a 1.60” tubing P/N 10456 (tapered end inserted first) Construct a Tee subassembly, as follows: • fully insert Tee fitting P/N 18186-001 into 1.75” tubing P/N 10456 ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-41...
Page 164 Pilot Solenoid/Power Board Cable assembly P/N 18530-001, two red wire connector onto the Pilot-in solenoid leads and the two black wire connector onto the Pilot-out solenoid leads ® Page 8-42 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 165 Valve Differential Transducer • attach 0.85” of tubing P/N 10626 onto the Flow Differential Transducer As applicable, install the Analog PCBA (see instructions on page 8-57). ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-43...
Page 166 Tee and Elbow subassembly is routed under the Flow Differential Transducer and PEEP Pilot Pressure Transducer ports and over the Tube and Tee subassembly from Solenoid Manifold side port # 9 ® Page 8-44 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 167 Purge Solenoids and the Turbine Manifold. Attach the connector to the 4-wire connector (JP16) on the Power PCBA. The connector is keyed to fit only one way and will snap into place when properly aligned. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-45...
Page 168 18032-001) on the Solenoid Mount. Align and hold the Solenoid Mount parallel to the Solenoid Manifold (so that it does not touch it) and torque tighten the screw to 120 in-oz (0.84Nm). ® Page 8-46 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 169 ® Louver to the outside of the LTV Insert the elbow fitting attached to the tubing on Solenoid Manifold port # 7 into the tubing attached to the Flow Differential Transducer on the Analog PCBA.
Page 170 Solenoid Manifold port # 5. Attach the tube from Solenoid Manifold port # 6 over the clear tube from the Flow Valve and onto the ventilator side panel Exhalation Valve port. ® Page 8-48 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 171 A and B are not kinked and do not overlap Insert two 7/16” pan-head screws (P/N 10433) through the Accumulator mounting tabs and torque tighten to 60 in-oz (0.42 Nm). ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-49...
Page 172 Accumulator. Attach the connector to the 3-wire connector (JP2) on the Power PCBA, as shown. The connector is keyed to fit only one way and will snap into place when properly aligned. ® Page 8-50 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 173 1200 only). Insert the tube from the O Blender straight into the top of the Pisco connector (at ® least 1/2”), as shown (LTV 1200 only). • gently pull the Pisco connector (~2-lbs force) while holding the Analog PCBA in place, then pull the tube while holding the Pisco connector to...
Page 174 (point to point and layering), are fully connected on the ports or fittings, and do not have any holes or tears in them. If necessary, gently reposition the tubing to eliminate possible kinks or occlusions. ® Page 8-52 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 175: Accumulator
Component Removal and Replacement for detailed instructions. Reconnect the battery and replace the back panel (see instructions page 8-29). Sampling Tube, P/N 10544, ~10.0” long, 0.125” O.D. X 0.079 I.D. clear polycarbonate tubing. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-53...
Page 176 ® Page 8-54 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 177: Alarm Sounder Assembly
2) Disconnect the 2-wire sounder connector from the power board. 3) Remove the 1/4” pan-head screw from the sounder bracket, as shown. 4) Remove the sounder bracket. 5) Remove the sounder assembly and alarm bumper. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-55...
Page 178 12) Reconnect the internal battery and replace the back panel (see page 8-29). Sampling Tube, P/N 10544, ~10.0” long, 0.125” O.D. X 0.079 I.D. clear polycarbonate tubing. ® Page 8-56 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 179: Analog Board Assembly
4 from the solenoid manifold. NOTE Tubing Configurations - When disconnecting tubes, note their positions and review the internal flexible tube routing tables, instructions and diagrams beginning on page 8-33. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-57...
Page 180 To do this, pinch the collar on the Pisco connector away from the Analog board as ® shown (LTV 1200 only). 5) Disconnect the 2-wire flow valve thermistor cable from the power board. ® Page 8-58 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 181 6) Remove the two green screws that attach the analog board to the power board and remove the analog board. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-59...
Page 182 1) Insert the new analog board and secure with the two green mounting screws. Screws should be torqued to 60 in-oz (0.42 Nm). ® 2) Reconnect the Pisco connector to the oxygen pressure transducer (LTV 1200 only). 3) Reattach the 6 flexible tubes to the new analog PCBA following the internal flexible tube routing tables, diagrams and instructions on page 8-33.
Page 183 9) Reconnect the internal battery and replace the back panel (see page 8-29). Sampling Tube, P/N 10544, ~10.0” long, 0.125” O.D. X 0.079 I.D. clear polycarbonate tubing. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-61...
Page 184: External Inlet Filter
4) Replace the filter by tucking it into its housing on the left side of the vent. Make sure the filter lies flat and is seated all the way into the housing. ® Page 8-62 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 185: Fan Assembly
Removal and Replacement for detailed instructions. 11) Reconnect the battery and replace the back panel (see page 8-29). Sampling Tube, P/N 10544, ~10.0” long, 0.125” O.D. X 0.079 I.D. clear polycarbonate tubing. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-63...
Page 186: Cleaning The Fan Filter
Reposition the filter grill over the filter and apply light pressure until it fully seats (“clicks”) into the filter housing. CAUTION ® Wet or Damp Filters - Do not install a wet or damp filter into the LTV 1200/1150. This could damage the ventilator. ®...
Page 187: Flow Valve Assembly
8-33 for tubing diameters, lengths and routing diagrams. The Silicone Gel Lubricant and Flow Valve Insertion Tool are available separately, or as part of the Maintenance and Calibration Kit, P/N 11566. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-65...
Page 188 ® For use with LTV 1200/1150 ventilators, the tube must be cut to a total length of 5.00” ± 0.250” prior to installing the new Flow Valve 3) New Flow Valve assemblies are also shipped with Spiral Wrapping on the 4-wire ®...
Page 189 Attach the terminal connector of the Thermistor Cable P/N 11399 with the orientation crimp side down as shown below. Screws should be torqued to 60 in-oz (0.42 Nm). ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-67...
Page 190 Make certain the Thermistor Cable does not interfere with the flow valve operation and that it does not strain the tubing connected to the solenoid manifold and analog PCBA. ® Page 8-68 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 191 12) Reconnect the Pisco connector to the oxygen pressure transducer on the analog board ® (LTV 1200 only). See internal flexible tube routing tables, instructions and diagrams on page 8-33 . 13) Reconnect the internal battery (see instructions on page 8-29).
Page 192 20) Reconnect the internal battery and replace the back panel (see page 8-29). Sampling Tube, P/N 10544, ~10.0” long, 0.125” O.D. X 0.079 I.D. clear polycarbonate tubing. ® Page 8-70 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 193: Front Panel
8-33 for tubing diameters, lengths and routing diagrams. ® Disconnect the Pisco connector from the oxygen transducer on the analog board. (LTV 1200 only) See diagram on page 8-57. Disconnect the 2-wire fan connector, 3-wire flow valve connector, 4-wire rotary switch connector, and 2-wire sounder connector from the power board.
Page 194 12) Remove the power board (see instructions on page 8-101). The analog board may be left attached to the power board. Be careful not to catch the power board on the sounder bracket while removing it. ® Page 8-72 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 195 Any unevenness on the surface of the upper weldment could damage the new panel or cause it to operate incorrectly. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-73...
Page 196 Tubing Configurations - If tubing is worn or damaged and needs to be replaced, consult the tables and instructions in Internal Flexible Tubing beginning on page 8-33 for tubing diameters, lengths and routing diagrams. ® Page 8-74 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 197 16) Reconnect the 3-wire flow valve connector to the power board. The connector is keyed to fit in only one direction and will snap into place when properly connected. ® 17) Reconnect the Pisco connector to the oxygen transducer on the analog board (LTV 1200 only) .
Page 198 Press the overlay panel into place making sure the adhesive is well seated in all places. Sampling Tube, P/N 10544, ~10.0” long, 0.125” O.D. X 0.079 I.D. clear polycarbonate tubing. ® Page 8-76 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 199: Internal Battery Pack
P/N 18608-001. CAUTION ® Internal Battery Use - The internal battery is intended for use in LTV ventilators during short periods while switching between external power supply connections, emergency situations or short duration transports. The length of time the ventilator will operate on battery power is a function of many factors such as settings, charge level and condition or age of the battery;...
Page 200 6) Position the battery over the compartment, fully insert the connector into the connector enclosure and route the cable into the recessed area under the lip at the top of the battery compartment. ® Page 8-78 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 201 AC power source for 24 hours and check for proper operation by performing testing as specified in the Checkout Test Selection table in Chapter 9 - Final Checkout Test. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-79...
Page 202: Caring For The Internal Battery
Battery Disposal: ® The LTV 1200/1150 ventilator’s internal battery, P/N 18608-001, is a sealed lead acid battery. Some jurisdictions consider these batteries hazardous materials subject to special disposal regulations. Contact the proper agency for information on permissible methods of disposing of used batteries.
Page 203: Internal Inlet Filter
7) Reconnect the internal battery (if disconnected) and replace the back panel (see instructions on page 8-29). Sampling Tube, P/N 10544, ~10.0” long, 0.125” O.D. X 0.079 I.D. clear polycarbonate tubing. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-81...
Page 204: Main Board Assembly
Disconnect the 2-wire fan connector, 2-wire flow valve thermistor cable, 3-wire flow ® valve connector, 4-wire rotary switch connector, 8-wire oxygen blender connector (LTV 1200 only), and 2-wire sounder connector from the power board. Remove the sounder assembly (see instructions on page 8-55).
Page 205 Contact damage - Handle the ribbon cable carefully to prevent any damage to the silver contact area. Attempting to remove the ribbon cable without opening the ZIF connector will damage the ribbon cable and may require replacing the front membrane panel. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-83...
Page 206 Damage to the ribbon cable - Do not scratch the ribbon cable with the edge of the board even minor scratches on the connections can cause the keypad connections to fail. 16) Remove the memory board from the main board (see instructions on page 8-88). ® Page 8-84 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 207 25) Connect the AC adapter to the power board. Press the ON button and all LEDs will be illuminated. Check the LED alignment. If alignment is required, remove the AC power adapter then adjust the main board and LEDs as needed. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-85...
Page 208 8-33 for tubing diameters, lengths and routing diagrams. 28) Replace the fan assembly (see instructions on page 8-63). 29) Reconnect the 8-wire oxygen blender connector to the power board. Route as shown ® (LTV 1200 only). ® Page 8-86 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 209 41) Reconnect the internal battery and replace the back panel (see page 8-29). Sampling Tube, P/N 10544, ~10.0” long, 0.125” O.D. X 0.079 I.D. clear polycarbonate tubing. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-87...
Page 210: Memory Board
2) Remove the programmed memory PCBA from its supporting rails by gripping the corners firmly between two fingers and pulling upwards. ® Page 8-88 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 211 ® ® 6) After upgrading the LTV software version, check each of the LTV configuration settings (see Configuration, page 6-33). ® ® 7) Upgrading LTV software will require recalibration of the LTV ventilator.
Page 212: Motor Board Assembly
4) Pull the motor board straight up and off the mating power board connectors. Be careful to pull the motor board up evenly and without rocking side to side or bending the power board connector pins. ® Page 8-90 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 213 8) Reconnect the internal battery and replace the back panel (see page 8-29). Sampling Tube, P/N 10544, ~10.0” long, 0.125” O.D. X 0.079 I.D. clear polycarbonate tubing. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-91...
Page 214: Blender Assembly / O Block
• Remove the back panel and disconnect the battery • Remove the left soft side ® • Remove the motor board (LTV 1200 only) • Remove the flow valve • Remove the turbine manifold and oxygen blender/O Block as a unit •...
Page 215 Remove the back panel and disconnect the battery (see instructions on page 8-28). Remove the left soft side (see instructions on page 8-113). ® Remove the motor board (LTV 1200 only) (see instructions on page 8-90). ® Disconnect the O blender 8-wire connector from the power board (LTV 1200 only).
Page 216 Remove the protective backing from the smooth side of the new thermo conductive pad and center it on the turbine surface. Remove the protective cover from the thermo conductive pad. ® Page 8-94 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 217 Replace the 4 black screws (P/N 10918B) into the turbine manifold. Torque to 20 in-oz (0.14 Nm). ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-95...
Page 218 Check the blue rubber grommets (P/N 10630) and grounding clips (P/N 10752) on the ® oxygen blender mounting (4 each) for wear and replace if necessary (LTV 1200 only). ® For the LTV 1200: Replace the four (4) blender mounting screws (P/N 10176), O blender cap, and four (4) flat metal washers (P/N 10594).
Page 219 ® Replace the motor board (LTV 1200 only) (see instructions on page 8-90). Connect the 3-wire and 5-wire connectors from the turbine to the motor board. The connectors are keyed to fit in only one direction and will snap into place.
Page 220 14) Reconnect the 3-wire flow valve connector to the power board. The connector is keyed to fit in only one direction and will snap into place when properly connected. ® 15) LTV 1200 Only: Insert the O tube from the blender into (at least 1/2”) the Pisco connector attached to the oxygen pressure transducer on the analog board.
Page 221 23) Reconnect the internal battery and replace the back panel (see page 8-29). Sampling Tube, P/N 10544, ~10.0” long, 0.125” O.D. X 0.079 I.D. clear polycarbonate tubing. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-99...
Page 222: Blender Filter (Ltv 1200 Only)
Replace the O-ring, making sure it is completely tucked under the retaining lip on the inside of the O inlet port. 6) Reconnect the high pressure O line. ® Page 8-100 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 223: Power Board Assembly
® connector, 8-wire O blender (LTV 1200 only), 2-wire flow valve temperature, and 2- wire sounder connectors from the power board. Remove the alarm sounder (see instructions on page 8-55). Remove the flow valve assembly (see instructions on page 8-65).
Page 224 Carefully remove the turbine manifold spacer and set it aside, away from the ventilator. 11) Remove the analog board (see instructions on page 8-57). 12) Disconnect the 4-wire solenoid mount connector from JP16 on the power board. ® Page 8-102 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 225 64-pin connector (see Detail illustration on next page). The tool may need to be moved left or right along the gap to insert. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-103...
Page 226 PCBA mating connectors (see Cut-away illustration below). 19) Lift out the power board, flexing the left side panel slightly out of the way. ® Page 8-104 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 227 NOTE The solenoid mount assembly, accumulator, and remaining tubing may be left attached to the solenoid manifold assembly. 20) Remove the solenoid manifold from the power board. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-105...
Page 228 Torque-tighten both screws to 60 in-oz (0.42 Nm). If removed, reconnect the flexible tube from the tee and port A of the accumulator, to port #9 on the front of the solenoid manifold. ® Page 8-106 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 229 Do not over tighten the mounting screws. Over tightening of the mounting screw or nut may result in leaks on the solenoid manifold. Orient the pigtail cable assembly so the grooved side of the molded strain relief is facing up, as shown. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-107...
Page 230 14) Plug the 4-wire connector of the pigtail cable assembly onto the JP6 connector on the power board. Fold the wires of the pigtail cable assembly back toward the cavity for the internal battery. ® Page 8-108 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 231 15) Reconnect the 8-wire blender connector. Tuck the wrapped wires and oxygen tube ® down along the side of the turbine manifold against the power board (LTV 1200 only). 16) Verify the power board mating connector pins are straight and place the Motor PCBA on...
Page 232 Motor PCBA. 18) Thread four 7/16” pan-head screws (P/N 10433) into the mounting holes in the Motor PCBA and torque-tighten to 60 in-oz (0.42 Nm). ® Page 8-110 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 233 25) Reattach the accumulator to the turbine manifold spacer using the two (2) 7/16” pan head screws. See instructions on page 8-53. Torque both screws to 60 in-oz (0.42 Nm). ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-111...
Page 234 36) Reconnect the internal battery and replace the back panel (see page 8-29). Sampling Tube, P/N 10544, ~10.0” long, 0.125” O.D. X 0.079 I.D. clear polycarbonate tubing. ® Page 8-112 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 235: Right And Left Soft Side Panels
Right and Left Soft Side Panels Parts required for replacement: Tools required: • Replace if damaged: Phillips screwdriver with torque meter • ® 1200 Left Soft Side P/N 10105 • Grounded anti-static wrist ® • 1200 Right Soft Side P/N 10106 strap ® •...
Page 236: Rotary Switch (Set Value Knob) Assembly
Grounded anti-static wrist strap • Knob Spring P/N 10443 ® • 1200 Knob P/N 10111 ® • 1150 Knob P/N 19037-001 To remove and replace the Rotary Switch assembly: 1) With the ventilator face up, gently pry the knob off the rotary switch shaft using dental picks or small flat-edged screwdrivers.
Page 237 25) Reconnect the internal battery and replace the back panel (see instructions on page 8- 29). Sampling Tube, P/N 10544, ~10.0” long, 0.125” O.D. X 0.079 I.D. clear polycarbonate tubing. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-115...
Page 238: Solenoid Manifold Assembly
& tee subassembly NOTE Tubing Configurations - When disconnecting tubes, note their positions and review the internal flexible tube routing tables, instructions and diagrams beginning on page 8-33. ® Page 8-116 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 239 8-28). Disconnect the 4-wire flow valve connector from the motor board. Disconnect the Pisco connector ® from the analog board (LTV 1200 only) . Disconnect the 3-wire flow valve connector from the power board. Disconnect the 2-wire thermistor cable from the power board.
Page 240 2) Reattach the small diameter tube from the tee fitting and port A of the accumulator to port # 9 on the front of the new solenoid manifold. ® Page 8-118 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 241 10) Install the analog board using two 1/4” green pan head screws (P/N 10435G). Screws should be torqued to 60 in-oz (0.42 Nm). See instructions on page 8-57. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-119...
Page 242 20) Reattach the orange tube from the flow valve to the low side port of the flow valve differential transducer on the analog board (port furthest from the board). 21) Reconnect the clear tube from the flow valve to port #5 of the solenoid manifold. ® Page 8-120 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 243 25) Reconnect the internal battery and replace the back panel (see page 8-29). Sampling Tube, P/N 10544, ~10.0” long, 0.125” O.D. X 0.079 I.D. clear polycarbonate tubing. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-121...
Page 244: Solenoid Mount Assembly
2) Disconnect the Pisco connector from the oxygen pressure transducer of the analog ® board. (LTV 1200 only) See instructions on page 8-57. 3) Disconnect the 3-wire flow valve connector from the power board. 4) Remove the flow valve assembly (see instructions on page 8-65).
Page 245 (black wires) to the pilot-out solenoid. 2) Reconnect the flexible tubes to the pilot-in and pilot-out solenoids following the internal flexible tube routing tables, instructions and diagrams beginning on page 8-33. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-123...
Page 246 13) Reconnect the internal battery and replace the back panel (see page 8-29). Sampling Tube, P/N 10544, ~10.0” long, 0.125” O.D. X 0.079 I.D. clear polycarbonate tubing. ® Page 8-124 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 247: Thermo Conductive Motor Board Heatsink Pad
8) Reconnect the internal battery and replace the back panel (see page 8-29). Sampling Tube, P/N 10544, ~10.0” long, 0.125” O.D. X 0.079 I.D. clear polycarbonate tubing. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 8-125...
Page 248: Thermo Conductive Turbine Pad
Phillips screwdriver with torque meter • 10129 Grounded anti-static wrist strap • Mild cleanser To replace the thermo conductive turbine pad, see instructions for removing and replacing the turbine manifold on page 8-127. ® Page 8-126 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 249: Turbine Manifold
Disconnect the oxygen blender (LTV 1200) or O Block (LTV 1150) from the turbine manifold ® ® • Connect the new oxygen blender (LTV 1200 ) or O Block (LTV 1150) to the turbine manifold • ® ® Replace the oxygen blender (LTV...
Page 250 Remove the left soft side (see instructions on page 8-113). Remove the motor board (see instructions on page 8-90). ® Disconnect the O blender 8-wire connector from the power board (LTV 1200 only ) . Disconnect the O tube from the Pisco connector on the oxygen pressure transducer on ®...
Page 251 Block mounting screws and washers from the left side of the ventilator. ® ® 10) Remove the oxygen blender (LTV 1200 ) or O Block (LTV 1150), turbine manifold and interior inlet filter. Be careful not to dislodge the grounding straps and grommets that are between the oxygen blender and the side of the ventilator case.
Page 252 To install the Turbine Manifold and Oxygen Blender or O Block: ® ® Slide the turbine manifold and oxygen blender (LTV 1200 ) or O Block (LTV 1150) into place. Be sure not to catch any tubing or wiring under the manifold while it is being installed.
Page 253 20 in-oz (0.14 Nm). Check the blue rubber grommets (P/N 10630) and grounding clips (P/N 10752) on the ® oxygen blender mounting (4 each) for wear and replace if necessary (LTV 1200 only). ® For the LTV 1200: Replace the four (4) blender mounting screws (P/N 10176), O blender cap, and four (4) flat metal washers (P/N 10594).
Page 254 Connect the 8-wire connector from the oxygen blender to the power board. The ® connector is keyed to fit in only one direction and will snap into place (LTV 1200 only). Tuck the wrapped wires and oxygen tube down along the side of the turbine manifold, ®...
Page 255 14) Reconnect the 3-wire flow valve connector to the power board. The connector is keyed to fit in only one direction and will snap into place when properly connected. ® 15) (LTV 1200 only) Insert the O tube from the blender into (at least 1/2”) the Pisco connector attached to the oxygen pressure transducer on the analog board.
Page 256 23) Reconnect the internal battery and replace the back panel (see page 8-29). Sampling Tube, P/N 10544, ~10.0” long, 0.125” O.D. X 0.079 I.D. clear polycarbonate tubing. ® Page 8-134 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 257: Chapter 9 - Final Checkout Test
Rotary Knob Assembly Solenoid Manifold Thermo Conductive Pad Turbine Manifold Ventilator Back Panel When replacing the Internal Battery, only Power Checkout test steps 2A and 2B are required to be performed. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 9-1...
Page 258: General Checkout
The Patient Assist Cables are available separately, or as part of the Maintenance Calibration Kit, P/N 11566. Sampling Tube, P/N 10544, ~10.0” long, 0.125” O.D. X 0.079 I.D. clear polycarbonate tubing. ® Page 9-2 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 259 • • SRAM • INT VECTOR • ROM CRC • EEPROM E) When the POST tests are successfully passed, ventilation begins within 20 seconds with a Power Lost alarm. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 9-3...
Page 260 % to 21% and clear the LOW MIN VOL alarm activates ® alarm (LTV 1200 only). Set the Low Min Vol alarm to 10 L. D) Reset the Low Min Vol alarm to LOW PRES alarm activates 1.0 and clear the alarm. Set the Low Pressure alarm to 60.
Page 261 Resistance >1.0 mega ohms changing the High Pres. Limit setting to 5 and measure the plug resistance. This measurement can best be obtained using the relative (delta) measurement of a DMM. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 9-5...
Page 262 E) Power the vent off and on. Check Date has incremented correctly. the date. F) Check the time. Time has incremented correctly. This measurement can best be obtained using the relative (delta) measurement of a DMM. ® Page 9-6 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 263 2 minutes. While monitoring the peak O value, extract the tube approximately 0.5 inch per breath. Sampling Tube, P/N 10544, ~10.0” long, 0.125” O.D. X 0.079 I.D. clear polycarbonate tubing. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 9-7...
Page 264: General Checkout Worksheet
High Pressure Limit = 100 Low Pressure alarm = 5 Low Minute Volume = 1.0 PEEP = 5 cmH High PEEP = Off Low PEEP = Off High f = Off ® Page 9-8 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 265 ® 1200/1150 SERIAL NUMBER: _____________ TEST STEP MEAS. PASS REQUIREMENT / FAIL DESCRIPTION VALUE Alarm Settings ® Low O Pres alarm (LTV 1200 only) 5)B) ® Set O % to 22% (LTV 1200 only) Alarm must activate immediately Low Minute Volume alarm...
Page 266 Usage meter has incremented correctly. Oxygen Enrichment (oxygen leakage) ® 8)A) Peak % O measurement taken from inside 1200: Connect a 50 ± 2 PSIG the unit must be < 25%. oxygen source to the ventilator. Set the O % setting to 100%. ®...
Page 267: Power Checkout
Battery Level LED changes to amber. • BAT LOW alarm • Audible alarm sounds. ® • C) Slowly reduce voltage until the LTV Normal operation. • DC voltage source is 11.5V ± 2% Battery Level LED changes to red. • BAT EMPTY alarm. •...
Page 268 Audible alarm sounds. • Battery Level LED is lit. E) Remove external battery test cable and replace with external power AC adapter. Power down the ventilator using the On/Standby button. ® Page 9-12 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 269: Power Checkout Worksheet
Remove external power, clear power lost alarm. Connect an external DC External Power LED is green power source with a voltage between Charge Status LED is lit or flashing 14.8V and 15.0V ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 9-13...
Page 270 ® 1200/1150 SERIAL NUMBER: _____________ TEST STEP MEAS. PASS / REQUIREMENT FAIL DESCRIPTION VALUE Slowly reduce the external DC voltage 3)C) Normal operation until the External Power LED shows External voltage is 11.0V ± 2% amber. Charge Status LED is lit or flashing...
Page 271: Performance Checkout
Average monitored tidal volume (Vte) must be Insp Time: 1.5 seconds ±15% of average measured volume. The Turbine Pressure Test Adapter is available separately or as part of the Maintenance Calibration Kit, P/N 11566. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 9-15...
Page 272 If the Patient Effort LED does not flash patient wye momentarily during the and/or an inspiration is not given exhalation portion of the respiratory immediately: cycle. This condition constitutes a failure of the sensitivity test. ® Page 9-16 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 273 Displayed PEEP must be 20 ± 2 cmH2O. C) Set the PEEP to 5 • Measured PEEP must be 5 ± 1 cmH2O. • Displayed PEEP must be 5 ± 1 cmH2O. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 9-17...
Page 274 ± 2 PSIG Using the 3-finger technique enables a modified mode of VENT MTNCE in which testing may be performed, but Calibration procedures and changing Configuration settings can not. ® Page 9-18 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 275 A) With the ventilator operating in Servo Mode, set step position (listed under ® Tidal Volume) to 500, and O % to 21% (Oxygen setting for LTV 1200 only). B) Check the measured turbine speed (T/S) value noted during the turbine speed calibration test in Chapter 6.
Page 276 22 mm outlet port on the right side of the ventilator (for fastest response), or to the Patient Circuit Wye. NOTE ® Oxygen source and tested O % only apply to the LTV 1200 model. When testing the ® 1150 model, set turbine speed and flow only. A) Set flow (listed under Insp. Time) to 10, •...
Page 277 On/Standby button). Press the Silence/Reset button twice to clear the alarm. Using the 3-finger technique enables a modified mode of VENT MTNCE in which testing may be performed, but Calibration procedures and changing Configuration settings can not. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 9-21...
Page 278 The Vte value displayed to the left of the Select the Wave screen. lower waveform chart on the LTM must ® be equal to the value shown in the LTV status monitor window. • LOW MIN VOL alarm will occur. , D) Set the Low Minute Volume •...
Page 279: Performance Checkout Worksheet
Performance Checkout Worksheet ® 1200/1150 SERIAL NUMBER: ____________ CONDUCTED BY: ____________ MEMORY BOARD SOFTWARE VER.: ____________ DATE: ____________ TEST STEP MEAS. PASS / REQUIREMENT FAIL DESCRIPTION VALUE Tidal Volume Settings: Volume, Assist / Control, 1)A) PEEP=5, TV=1500, BPM=6, Insp Time=6.0 seconds.
Page 280 ® 1200/1150 SERIAL NUMBER: _____________ TEST STEP MEAS. PASS / DESCRIPTION VALUE REQUIREMENT FAIL Sensitivity Settings: Volume, PEEP= 5, BPM=6, 4)A) TV=700, Insp Time=2.0, Sensitivity= 2 LEAK COMPENSATION OFF: 4)B) Hold Select button Status monitor displays ALARM OP Rotate Set Value knob...
Page 281 Flow (BTPD) must be 10 Lpm ± 0.5 Lpm @ 30, O inlet pressure 40 psig Press Manual Breath ® must be 30 ± 3% (LTV 1200 only) Flow @ 10, Turbine speed 5000, 8)B) Flow (BTPD) must be 10 Lpm ± 0.5 Lpm...
Page 282 ® 1200/1150 SERIAL NUMBER: _____________ TEST STEP MEAS. PASS REQUIREMENT / FAIL DESCRIPTION VALUE Solenoids Step position 100, turbine speed 4000 9)A) ExhPilot solenoid deactivated (OFF): Pressure at exhalation drive port must = 0 ± 0.1 cmH ExhPilot solenoid activated (ON): Pressure at exhalation drive port must be ≥14 cmH...
Page 283 Watch Dog activated CHECK: Unit shuts downs then restarts LTM Compatibility Test Set COM setting to MONITOR 11)A) Display of small LTV icon appears on the Connect the LTM serial com cable to the 11)B) ® LTM. If the LTV...
Page 284: 12 Hour Burn-In
1200 Only) % (O Flush) Control Lock ® (LTV 1200 Only) Sensitivity 2 Lpm PEEP 0 cmH High Pres Limit 100 cmH Data Display Scrolling Auto-On Low Pres 5 cmH ® Page 9-28 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 285 3) Run the ventilator connected to a test lung for 12 hours and verify that no alarms occur. 4) Return the ventilator settings to factory defaults (see page E-11) at the conclusion of the test. ® Available on the LTV 1200 Only. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page 9-29...
Page 286: 12 Hour Burn-In Worksheet
Set the ventilator controls to the settings listed. Run the ventilator connected to a test Verify that no alarms occur. lung for 12 hours. Return the ventilator controls to the factory default settings. ® Page 9-30 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 287 % mean: 21% to 50%: 51% to 100%: ± 5 keep steady-state only ® ± 5 Flush) (LTV 1200 Only) ± 0.1 sec Time: 1, 2, or 3 minutes ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page A-1...
Page 288 15-80 bpm ± 1 bpm or within 5%, whichever is greater SBT Low f 0-40 bpm ± 1 bpm or within 5%, whichever is greater Display f/Vt On - Off ® Page A-2 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 289 Off, 15 – 80 bpm period, whichever is greater SBT Low f Off, 1 – 40 bpm ± 1 bpm or within 5% of the breath period, whichever is greater ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page A-3...
Page 290 End of an SBT period SBT Time Two minutes remaining in an SBT period Volume Alarm Volume 60 to 85 dBA at one meter ± 5 dBA Vent Inop ® Page A-4 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 291 Button Controls Display Function Control Lock Locks front panel controls, can be set to Easy or Hard unlocking Manual Breath Generates a machine breath ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page A-5...
Page 292 Standby/On Puts ventilator in On or Standby state Low Pressure O Source Selects Low Pressure O Source ® (LTV 1200 Only) Silence Reset Silences and resets alarms ® Page A-6 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 293 ® ventilators stored at temperatures outside of the specified Operating Temperature range are to be allowed to stabilize to within the operating temperature range before turning the ventilator on. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page A-7...
Page 294 Equipment Classification Classification The ventilator is rated as Class II equipment per IEC 601-1 Clause 6.11 Type The ventilator is specified as Type BF equipment per IEC 601-1 Clause 6.11 ® Page A-8 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 295 The ventilator shall be able to survive 1500 volts applied from either phase of the AC power inlet to Earth ground for a period of one minute, per IEC 601-1. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page A-9...
Page 296 FDA Draft Reviewer Guidance for Ventilators, July, 1995. Shipping Requirements The ventilator, packed in its shipping container, conforms to the International Safe Transit Association requirements for packaged products weighing less than 100 pounds. ® Page A-10 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 297: Appendix B - Glossary
The minimum number of machine breaths given in a minute. BTPD Body Temperature, Pressure Dry. Circuit See Airway Circuit. See Airway Pressure. Circuit Pressure Centimeters of water pressure. A unit of measure for pressure. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page B-1...
Page 298 Inspiratory Positive Airway Pressure. The positive gas pressure in the patient circuit during breath inhalation. Liters. A unit of measure for volume. Leak Compensation Leak Compensation improves triggering when a circuit leak is present. ® Page B-2 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 299 Processor, Displays, Audible Alarm, Confirming Audible Chirp, SRAM, Program Memory and EEPROM (some tests require operator visual and/or audible verification). ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page B-3...
Page 300 Pressure Control setting and is not affected by the PEEP setting. i.e.; A Pressure Control setting of 20cmH O and a PEEP setting of 10cmH O results in a maximum delivered pressure of 20cmH ® Page B-4 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 301 Flow is delivered in a decelerating waveform where the peak and final flows are calculated so that the final flow is 50% of the peak flow. See Tidal Volume, monitored. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page B-5...
Page 302 ® Page B-6 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 303: Appendix C - Service Record Form
ERVICE ECORD ® Any time service is performed on the LTV 1200/1150 ventilator, a Service Record form should be filled out and returned to Pulmonetic Systems. This enables complete tracking of replacement part lots and allows Pulmonetic Systems to maintain comprehensive service history records.
Page 304 ® Page C-2 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 305 ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page C-3...
Page 306 ® Page C-4 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 307 For downloading the Event Trace to a PC, a Service Cable (P/N 11485), is available. The cable may be ordered separately or as part of the Maintenance and Calibration Kit, P/N 11566. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page D-1...
Page 308 10) To exit the EVENT TRACE, turn to EXIT and press the Select button or press Control Lock. ® ® For more information about how these codes are used, see the LTV 1200 or the LTV 1150 Ventilator Operator’s Manual or contact your Service Representative.
Page 309: Appendix D - Event Trace
FAN FLT0 Fan fault exited HW FAULT Not used Not used INTRRPT1 Spurious interrupt occurred ms RESET INTRRPT2 Spurious interrupt occurred ls RESET AD MMTCH ADC mismatch HW FAULT ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page D-3...
Page 310 Turbine Hold Stop occurred HIGH PRES Shutdown for other than pressing On/Standby LN VENT1 RESET button A problem is detected writing data to the FLUSH ER HW FAULT EEPROM during system shutdown. ® Page D-4 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 311 SBT exit reason Reclaims all incorrectly recognized bad CLR BREC EEPROM records LO PEEP1 Monitored PEEP LOW PEEP LO PEEP0 Monitored PEEP LOW PEEP NEW PTNT New patient setup ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page D-5...
Page 312 HI PRES1 High pressure occurred HIGH PRES HI SBTf0 Total Breath Rate SBT > f HI SBTf1 Total Breath Rate SBT > f HIGH DIS High side disconnect DISC/SENSE ® Page D-6 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 313 Code runaway detected RESET SBT0 SBT exit reason SBT1 SET DATE Date set SET TIME Time set SNDRERR0 Recovery from alarm sounder error HW FAULT SNDRERR1 Alarm sounder error HW FAULT ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page D-7...
Page 314 Differential pressure transducer - XDCR NAR XDC FLT1 Narrow channel fault Differential pressure transducer - XDCR WID XDC FLT1 Wide channel fault Not used Not used Not used Not used ® Page D-8 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 315 12 = V ref -ve signal on power board 13 = V ref +ve signal on power board yyyy = signed difference of A/D 1 count – A/D 2 count ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page D-9...
Page 316 ® Page D-10 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 317: Conversion Factors
0.735558 x 10 ( at 0ºC ) 1.0197 703.08 10.197 345.32 25.399 13.595 x 10 ( at 4ºC ) 70.3 1019.7 1.0197 34.532 2.5399 1.3595 ( at 4ºC ) ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page E-1...
Page 318: Extended Features Map
Extended Features Map ® Page E-2 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 319 Extended Features Map (continued) ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page E-3...
Page 320 Extended Features Map (continued) ® Page E-4 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 321: External Accessories Screw Location, Type And Length
Refer to the information on the following page to determine the appropriate external accessories mounting screws or accessories replacement mounting screws location, type ® and length to use when removing or exchanging external accessories on an LTV 1200/1150 ventilator. WARNING Internal damage to the ventilator may result if the wrong length mounting screws are used.
Page 322 ® Page E-6 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 323: Parts, Replacement
Parts, Replacement The following Replacement Parts table provides the name and part number of all parts ® potentially used in the servicing of the LTV 1200/1150 ventilator. Replacement Part Name Part Number Accumulator 18144-001 Adhesive, Loctite 4541 10773 Adhesive, RTV Silicon 10122 ®...
Page 324 Screw, 1 3/4” Pan-head 10434 Screw, 1 7/8” Black colored Pan-head 10918B Screw, 1/4” Flat-head 10430 Screw, 1/4” Pan-head 10435 Screw, 3/16” Pan-head 14372 Screw, 3/8” Pan-head 18296-001 Screw, 3/4” Pan-head 10500 ® Page E-8 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 325 Washer, Rotary Switch Assembly 11644 10191 (Plastic), or 19119-001 (Metal), Washer, Finish or 19119-002 (Metal) Wrap, Spiral 10919 Wye, 1/16 tubing, nylon 18185-001 Sounder, Alarm 17432-001 Thermal conductive pad, Turbine Cap 14227 ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page E-9...
Page 326: Settings, Dip Switch
Intended for factory use only RTC clock battery connection. Intended for factory use only ON = Flash write enabled. Intended for factory use only ON = Flash write protect. ® Page E-10 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 327: Settings, Front Panel Controls And Extended Features
Flush Period - 3 min Variable Time Termination - 1.5 sec Patient Assist - Normal This feature is not reset to default values when the SET DEFAULTS option is used in Extended Features. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page E-11...
Page 328: Tools, Required
If the instrument accuracy is 2% of reading, at 300 ml the resulting accuracy is 300 ml x 2% = 6 ml. The resulting accuracy is less than the minimum accuracy level (7.5 ml) and is acceptable. ® Page E-12 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 329 Oxygen blending percentage measurements When measuring oxygen blending of 30% with a tolerance of ± 3%, the resulting minimum accuracy level for instrumentation would be 3% / 4 = 0.75%. ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page E-13...
Page 330 ® ® ® From the LTV 1200 or the LTV 1150 Ventilator Operator’s Manual, regarding LTV inspired oxygen (FIO ) concentrations while ventilating a patient: WARNING Inspired oxygen (FIO ) concentration – If exact concentrations of inspired oxygen are required to be delivered to the patient, it is recommended that an accurate oxygen analyzer with alarms be used.
Page 331 1200) Unique Tools: ® The following unique tools are required to perform various procedures on the LTV 1200/1150 ventilator and are available from Pulmonetic Systems separately, or as part of the Maintenance and Calibration Kit, P/N 11566; • P/N 11471 Calibration Syringe Assembly •...
Page 332: Transducer Calibration, Acceptable A/D Counts
PEEP Pilot Pressure (PPP) @ 30 cmH 999 – 2493 Ambient 135 – 272 ® Oxygen Pressure (O ) (LTV 1200 only) @ 50 PSI 900 – 1822 Ambient 122 – 246 ® Page E-16 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 333: Torque Values
Torque Values ® The following Torque Values Table provides torque values used in the assembly of the LTV 1200/1150 ventilator. In-oz Assy./Part to be Torqued Torque Value Accumulator to Turbine Manifold Spacer 60 in-oz (0.42 Nm) Analog Board mounting screws (2) 60 in-oz (0.42 Nm)
Page 334 ® Page E-18 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 335: Appendix F - Index
· see front panel LOW PRES · 9-4 bypass tubing · 8-98 NO CAL · 7-36 NO CAL DATA · 7-36 POWER LOST · 9-3, 9-5, 9-11, 9-12 POWER LOW · 9-12 ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page F-1...
Page 336 CAL EXIT · 6-22 cleaning agents CAL FAIL · 6-8, 6-11, 6-14, 6-17, 6-20, 6-22 abrasive cleaners · 4-1 CALIBRATION · 6-8 ammonium chloride · 4-1 COM SETTING · 6-8 ® Page F-2 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 337 · E-5 HARD · 7-5 heatsink pads · 8-125, see thermo conductive pads high flow transducer test · 6-10 factory defaults · E-11 ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page F-3...
Page 338 · 5-2 analog · 8-57, 8-59 dusty or high humidity environments · 5-2 main · 8-82 monthly · 5-2 memory · 8-88 preventative · 5-1 motor · 8-90 ® Page F-4 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 339 · 2-1 software ventilator maintenance · 6-6 analog PCBA · 8-89 watchdog · 6-34, 9-21 compatibility · 1-4, 8-88 thermistor cable · 8-65, 8-68 software / hardware synchronization · 6-33 ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page F-5...
Page 340 VHome · 6-27, 6-37, 7-8, 7-10, 7-12, 7-13, 7- plug subassembly · 8-41 14, 7-19, 7-41 removal · 8-37 removal/replacement instructions · 8-37 replacement · 8-38 solenoid manifold preparation · 8-39 ® Page F-6 1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C...
Page 341 · 6-34 watchdog test · 9-21 worksheets 12 hr burn-in · 9-32 battery checkout · see power checkout worksheet ZIF connector · 8-73, 8-83 flow valve calibration · 6-30 ® p/n 18603-001, Rev. C 1200/1150 Ventilator Service Manual Page F-7...

LTV 1150 Service Manual

Chapter 1 - Introduction

Chapter 2 - Ventilator Checkout Tests

Chapter 3 - Real-Time Transducer Data

Chapter 4 - Cleaning, Disinfecting and Sterilizing

Chapter 5 - Preventative Maintenance

Chapter 6 - Maintenance & Calibration

Chapter 7 - Troubleshooting

Chapter 8 - Component Removal and Replacement

Chapter 9 - Final Checkout Test

Appendix A - Ventilator Specifications

Appendix B - Glossary

Appendix C - Service Record Form

Appendix D - Event Trace

Appendix E - Reference Information

Appendix F - Index

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