Related Manuals for ResMed VPAP Auto 25
Summary of Contents for ResMed VPAP Auto 25
- Page 1 VPAP™ Service Manual VPAP Auto 25 VPAP ST VPAP S VPAP IV ST VPAP IV S8 Auto 25 English 268299/4 2012-03 Global leaders in sleep and respiratory medicine www.resmed.com...
- Page 2 ResMed Ltd 1 Elizabeth Macarthur Drive Bella Vista NSW 2153 Australia Distributed by: ResMed Corp 9001 Spectrum Center Blvd. San Diego CA 92123 USA ResMed (UK) Ltd (EU Authorised Representative) 96 Milton Park Abingdon Oxfordshire OX14 4RY UK See www.resmed.com for other ResMed locations worldwide. For patent information see www.resmed.com/ip ©...
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Page 3: Table Of Contents
Contents How to use this manual ............. 4 Introduction ................. 5 Intended users of this manual Nasal CPAP Features of the VPAP range General inspection and servicing ........6 Instructions for general inspection procedures Equipment required Function keys Clean the flow generator Record clinical settings External examination Internal examination (if necessary) - Page 4 Pressure calibration Flow calibration Motor noise calibration Troubleshooting guide ............47 System specifications ............50 VPAP Auto 25, VPAP ST, VPAP S VPAP IV, VPAP IV ST S8 Auto 25 10 Recommended maintenance schedule ......56 Appendix A: Service request form ..........57 Appendix B: Operational diagram ...........58...
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Page 5: How To Use This Manual
Section 3, “General inspection and servicing” may be used in this situation. Appendix A: Service Request Form - Fill out this form if you need to return a device to ResMed for servicing. Appendix B: Operational diagram - Provides a pictorial representation of the flow generator function. -
Page 6: Introduction
• VPAP IV ST It is written for ResMed distributors, and gives instructions for replacing subassemblies and for recalibration as appropriate. Work at the component level will normally be carried out by ResMed. Intended users of this manual Before attempting any repair work, please ensure that you: •... -
Page 7: General Inspection And Servicing
These tests will highlight any major mechanical or electrical problem with the unit. Equipment required • ResMed Service Software 1.20, available from the Technical Services website. Note: Ensure you check the Technical Services website to confirm the latest version of service software available for use with this product. -
Page 8: Clean The Flow Generator
Clean the flow generator Before servicing the unit it should be wiped down using a lint free cloth and a cleaning agent with a high alcohol content, e.g. isopropyl alcohol. Warning When using a cleaning agent with a high alcohol content refer to the appropriate Material Safety Data Sheet to ensure safe handling of the cleaning agent. - Page 9 6 Open the ResMed service software. The following window will appear: XPlorer Refresh button 7 Press the Refresh button (as indicated above) to enable the service software to recognise the flow generator. 8 The flow generator details will then be displayed at the bottom of the screen beside the Refresh button.
- Page 10 13 The service history dialog will then be displayed if the unit has existing records in the application database. (If there are no existing records, proceed to step 14.) Click on the Create a new Service Setting Record icon to start a new session, or select an existing session from the service history displayed: Create a new Service Setting...
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Page 11: External Examination
2 Replace the air filter, with the blue side of the filter material facing out from the unit. Caution Only use genuine ResMed spare parts, because the filter affects the flow characteristics of the flow generator, which in turn affects the pressure supplied to the patient. -
Page 12: Dc Power Test
DC power test 1 Turn off the flow generator at the mains. 2 Connect the DC/DC converter into the flow generator. 3 Connect the converter to a DC power source (12V battery or bench top power supply capable of supplying 3 amps or more). 4 Turn on the unit and confirm that the unit powers up. -
Page 13: Data Card Test
6 Press the Right key to start the H4i warming up. Ensure the light (circled) on the humidifier turns on to indicate the unit is warming. Note: It may be difficult to determine if the humidifier light is on in a brightly lit room. 7 Press the Right key again to stop the warm-up feature. -
Page 14: Pressure Calibration Test
3 Wait for the prompt to remove the card. 4 Remove the data card and confirm that the unit returns to the Standby screen. 5 Turn off the unit and disconnect it from the mains power. 6 Remove the data card module. Pressure calibration test Caution Make sure the flow generator has been warmed up for at least 15 minutes before... -
Page 15: Maximum Pressure Test
10 Maximum pressure test 1 Select Maximum pressure test in the Xplorer bar, or click on the Perform the Maximum pressure test icon 2 The test set-up remains the same as the pressure calibration test. 3 Select Next and follow the steps as instructed. If the flow generator fails this test, follow the procedures outlined in Section 7 Calibration procedures to do a full recalibration of the flow generator, ensuring the equipment set-up is correct. -
Page 16: Finalise Manual Check Results
16 Finalise manual check results In the XPlorer bar at the left of the screen, all tests that are completed without the service software are listed under the title "Manual Check". 1 Click on the name of each manual check. A screen such as that shown below will be displayed: For each manual check, indicate whether the unit passed or failed. -
Page 17: Reload Clinical Settings
3 Select the appropriate time zone for the owner of the flow generator, then press the Locale button. 4 Press the Select button to set the flow generator time and date. 18 Reload clinical settings 1 Click on the Record button to close the current session. 2 Select Flow Generator Settings... -
Page 18: Fill Out Product Problem Report
19 Fill out product problem report 1 If the flow generator needs to be returned to a ResMed service centre, fill out the ResMed Service Request Form in Appendix A of this manual, and send it to your regional ResMed office along with the flow generator. -
Page 19: Operator Safety And Static Precautions
Operator safety and static precautions Warning Prior to disassembly or assembly, make sure that the power is not connected to the flow generator. Integrated circuits (ICs) within the various PCBs can be badly damaged by electrostatic discharge or transient voltages. The following procedures are recommended to avoid component damage: 1 Work benches where handling and repairs are done must have surfaces of suitable conducting material connected via a 1 Mresistor to an electrical ground. -
Page 20: Replacing Major Subassemblies
Replacing major subassemblies This section contains brief instructions and points to be aware of as you replace major subassemblies and reassemble the flow generator. Caution When the main PCB, flow meter or motor is replaced, the flow generator must be recalibrated and tested. -
Page 21: Opening The Flow Generator
Opening the flow generator Remove the filter 1 Take hold of the lower end of the air filter cover and pull it away from the unit. 2 Pull the filter out from the flow generator. Remove the top case 1 Turn the unit upside down and undo the four screws indicated below, using a Torx 10 screwdriver. -
Page 22: Replacing The Main Pcb
Note: A great deal of force may be required to separate the cases. 3 With the top case removed the main PCB and LCD are now visible. LCD backlight cable Flow sensor cable harness Main PCB Replacing the main PCB Note: Before replacing the main PCB ensure the clinical settings for the unit have been saved. - Page 23 2 Lift upwards on the main PCB in order to disengage it from the PCB location pins (circled), and the power supply pins. Power supply pins 3 Pinch the sides of the motor connector to disconnect the tabs (circled) from the pcb. Continue to pull on the cable to disconnect the pins from the PCB.
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Page 24: Installing The Serial Number
Cable harness between chassis cable pins 6 Remove the LCD following the instructions below. 7 Refit the LCD to the new main PCB. 8 Take the new main PCB and insert the motor connector into the PCB. 9 Engage the power supply pins and lower the main PCB onto the locating pins. 10 Once the main PCB has been refitted, reload the clinical settings and options by following the instructions “18 Reload clinical settings”... -
Page 25: Units Without A Service History
8 Complete the calibrations and tests required when the main PCB has been replaced. 9 Finally, reload the clinical settings to the unit following the procedures from “18 Reload clinical settings” on page 16. Units without a service history In those instances where no session has been previously recorded for a particular unit, or settings were unable to be downloaded due to a fault with the unit, the default settings will need to be loaded into the flow generator. -
Page 26: Replacing The Lcd
12 Click on the Select button to indicate that the clinical settings were successfully reloaded into the flow generator. 13 Press the Record button if you did not need to fill out the product problem report or print out the test results. -
Page 27: Replacing The Motor
4 Take the new LCD and engage the rear mounting snaps, as shown below: 5 Engage the middle mounting snaps, then the front mounting snaps to the main PCB. 6 Relocate the flexible cable in the locking device. 7 Reconnect the LCD backlight connector. Replacing the motor Caution When the main PCB, flow meter or motor is replaced, the flow generator must be... -
Page 28: Examining The Motor
5 The motor assembly is now visible. Motor wiring harness Motor Outlet seal Flow sensor 6 Remove the motor assembly from the bottom case. Examining the motor If the motor requires further examination, the silicone sleeve surrounding the motor can be removed, however, spare part motors will be supplied with the silicone sleeve. - Page 29 4 Pull the silicone sleeve away from the motor. 5 With the sleeve removed the impeller on the base is now visible. 6 Take the silicone sleeve and begin to refit it over the air outlet. 7 Ensure the sleeve sits in the channel surrounding the air outlet. 8 Refit the holes in the sleeve over the locating posts, next to the motor cable.
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Page 30: Installing The Motor
Installing the motor Note: If replacing the motor, ensure you also replace the chassis lid. 1 Take the new motor assembly and fit the outlet seal. Ensure the seal is engaged on the upper and lower tabs, as shown below: Lower tab Upper tab 2 Insert the new motor assembly into the bottom case, while guiding the outlet seal into the... - Page 31 4 Locate the wiring harness in the channel, and the motor connector in the retaining slot, as shown below: Outlet seal positioning feature Wiring harness Motor connector (with heat shrink) in retaining slot in channel Note: Ensure the wiring harness has been fully inserted in the channel. 5 Install the new chassis lid.
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Page 32: Replacing The Power Supply
8 Reconnect the sensor tube to the pressure port above the chassis outlet. 9 Lay the sensor tube in the route shown below, ensuring the pressure port fitting sits in the chassis nest. 10 Insert the cable harness between the chassis cable pins and lay it in the route shown below, ensuring the harness sits under the cable retention ribs and lays in the nest indicated. - Page 33 2 Lift upwards on the assembly to remove it from the bottom case. 3 With the blower module assembly removed the power supply PCB can be replaced. Note: At this point the bottom case acoustic foam can also be replaced. Power supply PCB Bottom case acoustic foam...
- Page 34 7 Ensure the bottom case seal is not caught between the assembly and the bottom case. 8 Ensure the blower module assembly is sitting correctly in the bottom case, with the base of the outlet flush to the bottom case, as shown below: 9 Install the three screws removed earlier in the following order: 5 Replacing major subassemblies...
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Page 35: Replacing The Flow Sensor
Replacing the flow sensor When the main PCB, flow meter or motor is replaced, the flow generator must be recalibrated and Caution tested. Follow the procedures in Section 7 Calibration procedures to calibrate the unit, then repeat tests 6-17 in Section 3 General inspection and servicing. With the blower module assembly removed from the bottom case, the flow sensor can be replaced. - Page 36 4 Remove the flow meter seal and cable harness. Flow meter seal Cable harness 5 Clip the cable harness connector to the new flow meter. 6 Fit the seal to the new flow meter, ensuring the arrow on the flow meter is pointing towards the seal.
- Page 37 8 Gently pull the cable through until the grommet is in position, as shown below: Grommet 9 Locate the flow meter in the chassis, as shown below: Flow meter 10 Ensure the flow meter seal is correctly positioned in the chassis. VPAP™...
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Page 38: Replacing The Interface Panel, Keypad And Handle
Replacing the interface panel, keypad and handle 1 With the top case removed from the unit, turn the top case upside down, and disengage the three lock tabs connecting the interface panel to the top case: Lock tab Lock tabs 2 Remove the keypad from the interface panel, taking care not to touch the pills on the back of the keypad. - Page 39 4 Take the new handle and insert it in the top case. 5 Take the keypad and insert it in the top case. 6 Take the interface panel and place it on the top case. Press down on the interface panel to engage the lock tabs which anchor it to the top case.
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Page 40: Closing The Flow Generator
Closing the flow generator 1 Take the top case and fit it to the bottom case. 2 Turn the unit upside down and install the four screws. 3 Turn the unit right side up, and refit the filter and filter cover, with the blue side of the filter material facing out from the flow generator. -
Page 41: Replacement Parts List
Replacement parts list Outside cases Top case assembly 19321 (Including smart card cover) Bottom case assembly 19476 Base decal kit 19481 Note: For instructions on inserting the serial number when replacing the bottom decal refer to Tech note 106318 Power outlet plug R330-764 Also available Handle... -
Page 42: Interface Assembly
Interface assembly Interface panel VPAP Auto 25 R261-7126 VPAP S R261-7165 VPAP ST R261-7148 S8 Auto 25 (GER, FRA, EUR 1 & 2, UK) R261-7160 VPAP IV (GER) R261-7162 VPAP IV (EUR 1 & 2, UK, FRA, AP) R261-7149 VPAP IV (ANZ) - Page 43 Motor kit 19475 Outlet seal 19330 Acoustic foam R330-766 Flow sensor seal R261-7112 Flow sensor 19300 Flow sensor cable harness R261-7146 Pressure fitting assembly R261-7141 VPAP™ Service Manual...
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Page 44: Pcbs
PCBs Main PCBs VPAP Auto 25 19474 VPAP IV (ROW) 19487 VPAP IV ST (ROW) 19488 VPAP ST (US) 19489 VPAP S (US) 19490 S8 Auto 25 (ROW) 19492 Battery E9025 19327 Power supply PCB 19479 6 Replacement parts list... -
Page 45: Spare Parts List
Flow sensor seal R330-718 Handle R261-7160 Interface panel (S8 Auto 25) GER, FRA, EUR 1 & 2, UK R261-7126 Interface panel (VPAP Auto 25) R261-7165 Interface panel (VPAP S) R261-7148 Interface panel (VPAP ST) R261-7162 Interface panel (VPAP IV) GER R261-7149 Interface panel (VPAP IV) EUR 1 &... -
Page 46: Calibration Procedures
All calibration procedures should be carried out whenever the Main PCB, flow meter or blower is replaced. Equipment required • ResMed Service Software 1.20, available from the Technical Services website. Note: Ensure you check the Technical Services website to confirm the latest version of service software available for use with this product. -
Page 47: Flow Calibration
If the unit continues to fail, send the flow generator with service request form (found on page 57 of this manual) to ResMed for further servicing. VPAP™ Service Manual... -
Page 48: Troubleshooting Guide
Troubleshooting guide Caution When the main PCB, flow meter or motor is replaced, the flow generator must be recalibrated and tested. Follow the procedures in Section 7 Calibration procedures to calibrate the unit, then repeat tests 6-17 in Section 3 General inspection and servicing. If any other components are replaced, repeat the relevant tests in Section 3 General inspection and servicing Note:... - Page 49 Problem/Cause Action Flow generator operating intermittently • • Faulty power supply Replace power supply PCB Audible alarm not operating • • Component failure Replace main PCB • • Leak alert not enabled in clinical menu Confirm if patient required leak alert enabled. Note: When leak alert is on, SmartStart/Stop is automatically set to off.
- Page 50 Problem/Cause Action The following message is displayed on the LCD: "SYSTEM ERR 1029 Call service!" • • Faulty motor Replace motor • • Faulty main PCB Replace main PCB The following message is displayed on the LCD: "SYSTEM ERR 107A Call service!" •...
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Page 51: System Specifications
System specifications VPAP Auto 25, VPAP ST, VPAP S Operating pressure range: 3 to 25 cm H 2 O Maximum single fault pressure: 40 cm H 2 O Pressure measurement tolerance: ± 0.5 cm H 2 O ± 4% of the measured reading Flow measurement tolerance: ±... - Page 52 Displayed Values Value Range Accuracy Display Resolution Pressure sensor at air outlet Pressue -5 to 30 cm H ±0.5 cm H O (+ 4% of 0.1 cm H measured value) Flow derived values** Leak 0-120 L/min † 1 L/min Tidal volume 50 - 3,000 ml 1 mL †...
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Page 53: Vpap Iv, Vpap Iv St
VPAP IV, VPAP IV ST Operating pressure range: 2 to 25 cm H 2 O Maximum single fault pressure: 30 cm H 2 O Flow measurement tolerance: ± 0.1 L/sec or 20% of reading, whichever is greater S, ST and T mode: IPAP: 4 to 25 H 2 O (measured at the mask);... - Page 54 If you need information on these disposal systems, please contact your local waste administration. The crossed-bin symbol invites you to use these disposal systems. If you required information on collection and disposal of your ResMed device contact your ResMed office, local please distributor or go to www.resmed.com/environment.
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Page 55: S8 Auto 25
S8 Auto 25 Operating pressure range: 4 to 25 cm H 2 O Maximum single fault pressure: 40 cm H 2 O Pressure measurement tolerance: ± 0.5 cm H 2 O ± 4% of the measured reading Flow measurement tolerance: ±... - Page 56 If you need information on these disposal systems, please contact your local waste administration. The crossed-bin symbol invites you to use these disposal systems. If you required information on collection and disposal of your ResMed device contact your ResMed office, local please distributor or go to www.resmed.com/environment.
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Page 57: Recommended Maintenance Schedule
ResMed. ResMed recommends that these devices be inspected and serviced by an authorised ResMed Service Centre if there is any sign of wear or concern with device function. Otherwise, service and inspections of the devices generally should not be required during the five year design life of the product. -
Page 58: Appendix A: Service Request Form
When did the fault occur? Not being used During use Start up Unknown Other Out of box failure Is this device being returned to ResMed? Service details ResMed reference number Distributor reference number (if applicable) Today’s date Signature AUF 19019-01/5... -
Page 59: Appendix B: Operational Diagram
Appendix B: Operational diagram VPAP™ Service Manual...