Notes................................ix Precautions ..............................x Theory of Operation............................1 - 1 Major Functional Blocks of the Accutorr Plus..................1 - 2 CPU/NIBP Module Assembly with LCD Display................... 1 - 3 Software Overview ........................... 1 - 3 CPU Hardware Controls ........................1 - 4 NIBP Hardware functions .........................
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Removal of the Rear Housing ......................3 - 10 Removal of the Front Bezel ......................3 - 10 Removal of the Keyboard Assembly ....................3 - 10 Removal of the LED/Tone board...................... 3 - 10 0070-10-0691 Accutorr Plus Service Manual To Purchase, Visit Avobus.com or call 1-800-674-3655...
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Error Codes ..........................5 - 2 Precautions And Guidelines ........................5 - 4 Test Equipment And Special Tools Required ..................5 - 4 Power-up Sequence, Internal Testing....................... 5 - 4 Service Diagnostics ..........................5 - 5 Accutorr Plus Service Manual 0070-10-0691...
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Pulse Channel Average Noise Test (10a, 10b, 10c)................5 - 11 Main Pressure Transducer Verification Test (11a, 11b, 11c) ............5 - 11 Verification of Accutorr Plus Pneumatic Performance using an NIBP Simulator (11d)....5 - 12 Overpressure Transducer Verification <12c, 12a, 12b> ..............5 - 13 Main Pressure Transducer Calibration....................
This manual provides specific information that may not be applicable to other part numbers. The part number (P/N) and serial number are necessary for positive identification of the correct parts. They are located on the rear panel label of the Accutorr Plus unit. MONITOR PART NUMBER (P/N) MONITOR CONFIGURATION...
) (IEC, Italian) Notes and Precautions NOTES are a general information statement concerning the Accutorr Plus. A CAUTION is provided to alert the user to use special care necessary for the safe and effective use of the device. They may include actions to be taken to avoid effects on patients or users that may not be potentially life threatening or result in serious injury, but about which the user should be aware.
When replacing a Keyboard, you must replace the Graphic Panel. ® ® NOTE: Monitors with Nellcor and Masimo do not report SpO Runtime and Boot Software Versions. NOTE: The Accutorr Plus always displays time in a 24 hour format. Accutorr Plus Service Manual 0070-10-0691...
You may contact Technical Support to confirm that the manual is applicable for your unit. Updated manuals are available for sale. 0070-10-0691 Accutorr Plus Service Manual To Purchase, Visit Avobus.com or call...
“black box” devices, with only the relevant input, output and power sources described. The Theory of Operation section describes only the highest configuration level. Units built with fewer or different options may not use all of the capabilities of the Accutorr Plus, yet the over-all theories will remain constant.
Major Functional Blocks of the Accutorr Plus Theory of Operation Major Functional Blocks of the Accutorr Plus • CPU/NIBP Module Assembly with LCD Display • Interface and SpO Processor Board • Main Power Supply and Battery Charger Assembly • LED/Tone Module Assembly...
Theory of Operation CPU/NIBP Module Assembly with LCD Display CPU/NIBP Module Assembly with LCD Display The Accutorr Plus CPU/NIBP module controls the functions of the NIBP, temperature probes, and SpO module; transmits output data to the recorder; and provides a serial I/O port connection for PC communication.
A pressure transducer and amplifier combination is provided to acquire the cuff pressure signal. 1.2.3.2 Over pressure transducer circuitry An over pressure transducer, independent of the main pressure transducer. Over pressure limits are set according to the patient size. 1 - 4 0070-10-0691 Accutorr Plus Service Manual...
Further control of the neonatal inflation rate may be achieved by using the bleed valve to relieve some portion of the pump's delivery. Accutorr Plus Service Manual 0070-10-0691 1 - 5...
Therefore, a battery back up is provided. 1.2.4.4 Nonvolatile RAM Nonvolatile ram is used for configuration and serial number information. This memory requires a battery back up. 1 - 6 0070-10-0691 Accutorr Plus Service Manual To Purchase, Visit Avobus.com or call 1-800-674-3655...
Accuracy is +/- 1 minute/week. 1.2.4.8 Recorder Interface IDMA capability for writing 8-bit buffered parallel data to the recorder. Handshaking signals to specify new line to be printed, request for next byte of data. Accutorr Plus Service Manual 0070-10-0691 1 - 7...
LED current of 71mA. The Vadj is sourced from external voltage source (i.e., +5V VCC) by external resistor divider. 1.2.4.11 LCD Trend Display DAC control provided from the LED/Tone Board controls the LCD View Angle. 1 - 8 0070-10-0691 Accutorr Plus Service Manual...
The board provides a Serial Interface to either Temperature module. 1.2.4.13 Interface The board provides a Serial Interface to SPO and reset control of the module. FIGURE 1-1 CPU Block Diagram Accutorr Plus Service Manual 0070-10-0691 1 - 9 To Purchase, Visit Avobus.com or call...
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CPU/NIBP Module Assembly with LCD Display Theory of Operation FIGURE 1-2 NIBP Block Diagram 1 - 10 0070-10-0691 Accutorr Plus Service Manual...
Theory of Operation Processor Circuit Boards Processor Circuit Boards The Accutorr Plus can be equipped with one of two optional technologies: • Nellcor ® SpO system • Masimo ® SpO system Each technology uses proprietary sensors and interface cables. There are no “adapters”...
Interface Board Theory of Operation The Accutorr Plus Masimo ® interface board (P/N: 0670-00-0716) provides an isolated data and power interface between the Accutorr Plus and the Masimo ® MS-3 Pulse Oximetry module. The patient isolation requirement for the Masimo ® section is 1500VAC, less than or equal to 1mA leakage current, from input connectors J1 and J4-all terminals to J2-all terminals.
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Masimo ® MS-3 Pulse Oximetry module. Control signal SpO COMM at J4 will allow the Accutorr Plus software to interrupt the serial transmission for future options. All data and control lines interfaced to the SpO module are opto-isolated.
Main Power Supply Theory of Operation Main Power Supply There is one power supply used in the Accutorr Plus. P/N 0014-00-0083-02 is configured for the use and charge of a Lithium Ion battery, P/N 0146-00-0069. 1.4.1 Description The power supply provides four regulated DC output voltages for the Accutorr Plus. The power supply can operate from an AC line or a lithium ion battery and will automatically select the source of power available to the monitor, with priority given to the AC line.
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• Enable after shutdown: If the AC input is not available after battery replacement, power is delivered when the remote On/Off switch is enabled as long as the battery voltage is 9.9V minimum. Accutorr Plus Service Manual 0070-10-0691 1 - 15 To Purchase, Visit Avobus.com...
Theory of Operation LED and Tone Module The Accutorr Plus LED/Tone module performs four main tasks: 1) It drives all the 7- segments and discrete LED user displays on the keypad; 2) it generates an IEC60601-1-8 compliant alarm signal via the onboard Digital-to-Analog-Converter (DAC) and drives advisory tones to the speaker by the onboard power amplifier;...
Circuitry for scanning the keypad for key presses. The board scans a 3x8 matrix of keys. In the case of simultaneous key presses, a key is recognized by the software. The other key will not be recognized, until the initial key is released. Accutorr Plus Service Manual 0070-10-0691 1 - 17...
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LED and Tone Module Theory of Operation This page intentionally left blank. 1 - 18 0070-10-0691 Accutorr Plus Service Manual To Purchase, Visit Avobus.com or call 1-800-674-3655...
Less than 30 seconds average at 80 BPM with 180 mmHg pump up pressure, without retries, motion artifact, or arrhythmia with standard adult cuff on a healthy individual. Cycle time is affected by arm size and wrapping technique. Accutorr Plus Service Manual 0070-10-0691 2 - 1...
When the unit is vented, a volume of at least 700 cc’s is reduced from a pressure of 250 mmHg to a pressure of 20 mmHg in a maximum of 14 seconds. 2.1.6 Temperature (Predictive) Range: 90-110°F, 32-43°C Display Resolution: 0.1°F, 0.1°C Accuracy: Meets ASTM E1112-2006 for accuracy 2 - 2 0070-10-0691 Accutorr Plus Service Manual...
<70% unspecified Response Time: 10 secs (Display Averaging Time is not user-selectable for Masimo ® . It will be set to the default value of 8 seconds.) Accutorr Plus Service Manual 0070-10-0691 2 - 3 To Purchase, Visit Avobus.com or call...
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The LNOP®•Ear Sensors have an SpO2 accuracy of 70% to 100% ±3.5 digits for adults during no motion conditions, however, since the monitor cannot display ½ digits, the accuracy shall be rounded to ±4 digits. The SpO2 accuracy during motion conditions is not specified for the LNOP®•Ear Sensors. 2 - 4 0070-10-0691 Accutorr Plus Service Manual...
Battery Voltage: 11.1 VDC nominal Battery Capacity: 4.4 Amp-Hour Battery Run Times from full charge Accutorr Plus, basic model - 9.5 hours with a new battery at 25° C with 1 NIBP measurement every 5 minutes, continuous SpO monitoring, and recorder not in use.
Protection Against Ingress of Liquids Meets the requirements specified by IEC 60601-1, clause 44.3 and IEC 60601-2-30: Non- Protected Equipment (IPX1) as specified in EN 60529. 2 - 6 0070-10-0691 Accutorr Plus Service Manual To Purchase, Visit Avobus.com or call 1-800-674-3655...
2.25" (W) x 6.25" (H) x 4.63" (D) Weight: <4.95 kg (11 pounds), depending on configuration Environmental Characteristics Operating Temperature: 10°C to 40°C, 50°F to 104°F (Accutorr Plus & Recorder) 10°C to 32°C, 50°F to 90°F (Predictive Thermometer) Humidity: 15 to 90% max, non-condensing.
Frequency: 60 / 50 Hz Power Consumption: 40 W, maximum Agency Compliance The Accutorr Plus is designed to comply with the following agency standards: Safety, IEC EN 60601-1:1990 +A1:1993 + A2:1995 +A13:1996 IEC 60601-1:1988 +A1:1991 +A2:1995 Safety, UL UL 60601-1:2003 Safety, Canada CAN/CSA C22.2 No.
Harmonic Emissions EN 61000-3-2:2000 +A1:2001 +A2:2005 Electromagnetic Compatibility The Accutorr Plus has been tested and found to comply with the requirements of IEC 60601-1-2: 2001 “Collateral Standard Electromagnetic Compatibility Requirements and Tests.” To ensure Electromagnetic Compatibility (EMC), operate the Accutorr Plus in accordance with the instructions for use.
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Electromagnetic Compatibility Specifications This page intentionally left blank. 2 - 10 0070-10-0691 Accutorr Plus Service Manual...
Mindray DS USA, Inc. offers a comprehensive selection of Technical Training Seminars for this and other products. Contact the Registrar, Technical Support Department, or your regional sales or service representative for course offerings and dates. Accutorr Plus Service Manual 0070-10-0691 3 - 1...
CAUTION: Dispose of used battery properly. Keep away from children. Do not disassemble and do not dispose of in fire. 3 - 2 0070-10-0691 Accutorr Plus Service Manual To Purchase, Visit Avobus.com or call 1-800-674-3655...
The exchange circuits and modules are warranted, factory pre-tested and calibrated. Final calibration of the exchange item is strongly suggested to match the new part to the host system. See section 4.4 for details concerning the exchange program. Accutorr Plus Service Manual 0070-10-0691 3 - 3...
• Phono plug (tip and ring shorted) • 700 cc Dummy Cuff (P/N 0138-00-0001-01) • Chart Paper (P/N 0683-00-0447-01) • Water Bath, stirred, heated 80° to 120° F • Reference Thermometer, 0.1% 3 - 4 0070-10-0691 Accutorr Plus Service Manual...
Technical problems may require resolution by a qualified technical service person. The error code table below indicates Technical problems with an asterisk (*). Error codes are displayed on the front panel LEDs of the Accutorr Plus. 3.5.0.1 Error Codes...
Confirm correct operating parameters selection (i.e., correct patient size selection, (Adult, Neonate, Ped.) and NIBP cuffs to match. In units with SpO , verify that a sensor is connected to the unit and it is of the proper type/size. 3 - 6 0070-10-0691 Accutorr Plus Service Manual...
Waiting a few minutes before taking another temperature in the same ear will give the ear canal time to recover, and the readings should be consistent with the initial measurement. Accutorr Plus Service Manual 0070-10-0691 3 - 7...
Accutorr Plus, the temperature measurement can be transferred from the AccuTemp IR to the Accutorr Plus for display and entry in to the trend database, by placing the AccuTemp IR in its holder within the 60 seconds after releasing the Start button. A beep tone is sounded from the Accutorr Plus once the temperature measurement information has been received by the Accutorr Plus.
If necessary, clean the lens with a cotton swab dipped in alcohol. Periodic cleaning is recommended. To keep the lens clean when not is use, store the AccuTemp IR with an optical film cover in place. Accutorr Plus Service Manual 0070-10-0691 3 - 9...
3. Remove temperature measuring module and recorder module, if equipped. 3.6.1 Removal of the Rear Housing 1. Place the Accutorr Plus with the display side down, onto a protective surface. NOTE: Special care should be taken to insure that the front panel and glare screen are not scratched.
6. Remove the four hexagonal spacers and one Phillips head screw on the board. 7. Lift board up gently and disconnect data ribbon cable from J-8 to the LCD display (advanced model). Accutorr Plus Service Manual 0070-10-0691 3 - 11 To Purchase, Visit Avobus.com...
2. Disconnect ribbon cable at J-3 on the power supply. Disconnect battery J-4 connector cable. Disconnect input cable at J-2. 3. Remove screws as shown in Figure 3-1. FIGURE 3-1 Power Supply Assembly Diagram 3 - 12 0070-10-0691 Accutorr Plus Service Manual...
1. Detach the complete module from the main NIBP section by removing the two screws in the plastic housing. Grasp the plastic housing and pull to the rear to disengage the interface connector. Accutorr Plus Service Manual 0070-10-0691 3 - 13...
AccuTemp IR Mounting Cradle The mounting cradle has no adjustments or replaceable parts. The mounting cradle houses a small circuit board and a photocell sensor. 3 - 14 0070-10-0691 Accutorr Plus Service Manual To Purchase, Visit Avobus.com or call 1-800-674-3655...
Memory Full LED Key D2 NIBP Ready LED Key D1 Print LED Key D0 Mute LED On/Off Sw* Data Scan LED Ground AC On LED LED_EN0 Accutorr Plus Service Manual 0070-10-0691 3 - 17 To Purchase, Visit Avobus.com or call 1-800-674-3655...
PIN # INPUT/OUTPUT DESCRIPTION NAME Chassis Ground CHASSIS ground DGND +5V supply (+/-5%) View angle control -15V max TTL, control line WR_LCD* TTL, control line RD_LCD* 3 - 20 0070-10-0691 Accutorr Plus Service Manual To Purchase, Visit Avobus.com or call 1-800-674-3655...
N/C (pin removed) AC Hot AC Neutral 3.7.2.2 DC output connector, J-3 PIN # FUNCTION PIN # FUNCTION +5 V Common +5 V +12.5 V Common STDBY Common ACON* +15 V +12-15ON* Accutorr Plus Service Manual 0070-10-0691 3 - 21...
Interconnect Cables Run List Repair Information PIN # FUNCTION PIN # FUNCTION -15 V OFF/ON* Common CHRGOFF* 3.7.2.3 Battery connector, J-4 Connector Pin Out PIN # CONNECTION TS (temperature sense) Battery +11.1 V Common 3 - 22 0070-10-0691 Accutorr Plus Service Manual...
Product Variations And Options Product variations, due to differences for various line voltages, options and languages may require different components. These variations are reflected, where necessary, on the parts lists. Accutorr Plus Service Manual 0070-10-0691 4 - 1 To Purchase, Visit Avobus.com...
1. Include the Model and Serial Number of the instrument. (The model number of the Accutorr Plus starts with the numbers “0998-” and consists of 13 or 14 digits. All digits must be supplied.) 2.
Replacement Parts and Isometric Drawings Isometric Drawings and Parts Lists Isometric Drawings and Parts Lists The following figures show exploded views of the Accutorr Plus components, part numbers, and descriptions. Accutorr Plus Service Manual 0070-10-0691 4 - 3...
Temperature probe, Adult, Rectal 0206-00-0725-02 Temperature probe covers, box of 500 0198-00-0012-03 Complete replacement Predictive 0998-00-0129 Temperature module with 2 probes and 1 box of probe covers 4 - 10 0070-10-0691 Accutorr Plus Service Manual To Purchase, Visit Avobus.com or call 1-800-674-3655...
Casters, Non-Locking 0401-00-0045 Casters, Locking 0401-00-0046 Mounting Bracket for Accutorr 0406-00-0855-01 Plus, includes mounting screws – Complete Rolling Stand and ACCTROLLSTD Mounting Bracket Assembly FIGURE 4-7 Accutorr Plus Rolling Stand (P/N ACCTROLLSTD) Accutorr Plus Service Manual 0070-10-0691 4 - 11...
Accessory Modules and Mounting Parts Lists Replacement Parts and Isometric Drawings 4.8.4 Mounting Options Accutorr Plus Wall Mount Bracket 0436-00-0247 Accutorr Plus (Basic/Advanced) Sample Wall Mount FIGURE 4-8 Accutorr Plus Mounting Options 4 - 12 0070-10-0691 Accutorr Plus Service Manual...
Predictive Thermometer Verification And Calibration ..... 5-16 Setting the Current Time ............. 5-18 NIBP Normal Operation ............... 5-19 Trend Memory Initialization ............5-19 5.10 SpO2 Normal Operation (Accutorr Plus model with SpO2) ..5-20 Accutorr Plus Service Manual 0070-10-0691 5 - 1 To Purchase, Visit Avobus.com...
5.1.1 Status and Error Code Table The Accutorr Plus uses the various displays on the front panel to display the operational status. Error codes listed below can generally be resolved by the user however, error codes with an asterisk (*) may require resolution by a qualified technical service person.
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988* TEMP Bad Thermometer needs calibration. Calibration 990* TEMP Illegal Thermometer switch is set wrong. Mode 991* TEMP Module Thermometer internal failure. Failed 995* fails calibration check. Uncalibrated 996* Failure failed self-test. Accutorr Plus Service Manual 0070-10-0691 5 - 3...
After the initial power up sequence, “a” is displayed in the bed LED, and “0” is displayed in the Room LEDs. 3. Press the ON/STANDBY key to turn the UUT off. 5 - 4 0070-10-0691 Accutorr Plus Service Manual To Purchase, Visit Avobus.com or call 1-800-674-3655...
Patient SETUP key. Verify that after the initial power up sequence a “0” is displayed in the Room LED, “a” is displayed in the Bed LED, and “ddd” is displayed in the Systolic LEDs. Accutorr Plus Service Manual 0070-10-0691 5 - 5...
Press the DEFLATE key until a beep is heard. This allows a selection of the next test. Repeat process for test “b”. Table 5-2 SUB TEST TEST ROOM PATIENT BED DESCRIPTION OF SOFTWARE MODULE NUMBER LETTER ACM Runtime Software Version ACM Boot Software Version 5 - 6 0070-10-0691 Accutorr Plus Service Manual...
Display. This number is identified in Figure 5-1 on page 5-6. Verify that the correct number appears in the Patient Bed Letter Display when each key is pressed. FIGURE 5-2 4. Press the DEFLATE key for 3 seconds to exit keypad test. Accutorr Plus Service Manual 0070-10-0691 5 - 7 To Purchase, Visit Avobus.com...
1. Select Room Number 4 and press the NIBP START key to activate the test. This test prints out a pattern on the recorder if a recorder module is attached. A strip similar to Figure 5-3 will be printed. FIGURE 5-3 5 - 8 0070-10-0691 Accutorr Plus Service Manual...
Table 5-5 TEST START STOP TEST PATIENT TEST PRESSURE PRESSURE TIME ROOM DESCRIPTION (MMHG) (MMHG) (SEC.) NUMBER LETTER Linear Bleed Valve 15-25 Test secs. Dump Valve Test 14 sec. max. Accutorr Plus Service Manual 0070-10-0691 5 - 9...
Table 5-6 TARGET PUMP TEST ROOM SUB TEST PATIENT TEST SIZE/MODE PRESSURE (MMHG) NUMBER BED LETTER 157, ±5 Medium 210, ±10 High 315, ±15 5 - 10 0070-10-0691 Accutorr Plus Service Manual To Purchase, Visit Avobus.com or call 1-800-674-3655...
For these tests, program the NIBP simulator to perform the desired test. Instead of pumping up the cuff, this test uses the NIBP simulator to verify the Accutorr Plus pressure reading for the NIBP Leak Test, Over Pressure test, and the Main Pressure Transducer Verification Test.
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4. Repeat steps 1 through 3, but select test “12” “c” to check overpressure limit, 315 mmHg (±15); and test “12” “b” for Mid level overpressure limit, 210 mmHg (±10). 5. Press the DEFLATE key to exit this test. Accutorr Plus Service Manual 0070-10-0691 5 - 13 To Purchase, Visit Avobus.com...
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R540 on the 0670-00-0814 PCB (see Figure 5-5). 1. Connect the NIBP simulator to the Accutorr Plus cuff connector, and connect a 700 cc test chamber to the open port of the simulator. Select the manometer function of the simulator.
R504 on the 0670-00-0814 PCB (see Figure 5-5). 1. Adjust R504 on the 0670-00-0814 PCB until the MAP readout is 158 mmHg. 2. Repeat 5.5.14 “Overpressure Transducer Verification <12c, 12a, 12b>” on page 5-13. FIGURE 5-5 Overpressure Adjust (R504) Accutorr Plus Service Manual 0070-10-0691 5 - 15...
7. Attach a disposable probe cover to the thermometer head. Insert the head into the floating Black Body cavity, such that the instrument is looking into the needle shaped end. 5 - 16 0070-10-0691 Accutorr Plus Service Manual To Purchase, Visit Avobus.com or call 1-800-674-3655...
5.6.3 Low Battery Sensing The low battery threshold is not adjustable. When the battery has reached the low battery threshold, the power supply will report this condition to the CPU on the Accutorr Plus. Accutorr Plus Service Manual 0070-10-0691 5 - 17...
3. Press the TIMER/TEMP key to activate the minute display. FIGURE 5-6 Hour Display NOTE: The Accutorr Plus always displays time in a 24 hour format. 4. Press the UP or DOWN ARROW key (12 or 13) to change the number. Continue pressing the TIMER/TEMP key and the ARROW keys to set the month, day, and year (in that order).
Press the DEFLATE key to stop test. Trend Memory Initialization 1. To clear the UUT Trend Memory for all patient settings, press and hold the DELETE INFO. key while powering up the unit. Accutorr Plus Service Manual 0070-10-0691 5 - 19 To Purchase, Visit Avobus.com...
HI alarm limit to 95% and the pulse rate HI alarm limit to 55 bpm. 3. Connect an NIBP cuff or a suitable simulator to the Accutorr Plus and start a measurement. 4. Confirm that the Accutorr Plus has determined an SpO...
“Reference Standard*”. The electronic simulators available attempt to replicate a broad spectrum of indices representative of normal and abnormal physiological events, within the interpretation of the manufacturer. Accutorr Plus Service Manual 0070-10-0691 6 - 1...
Preventive Maintenance Schedule The following preventive maintenance steps are required for continued satisfactory performance and safety of the Accutorr Plus and optional accessories. Inspections and replacement of consumable supplies and accessories that are subject to normal wear, must be accomplished at least as frequently as the inspection of the host unit. Read the Warranty statement in the Operating Instructions for description of warranty conditions.
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Preventive Maintenance Preventive Maintenance Schedule This page intentionally left blank. Accutorr Plus Service Manual 0070-10-0691 6 - 3...
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Printed in U.S.A. 0070-10-0691 REV B December 9, 2008...
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Mindray DS USA, Inc • 800 MacArthur Boulevard • Mahwah, NJ 07430-0619 • USA • Dom. Customer Service: 1.800.288.2121 • Intl. Customer Service: +1 201 995 8000 • Dom. Fax: 1.800.926.4275 • Intl. Fax: +1 201 995 8680 Mindray Medical Netherlands B.V. • Drs. W van Royenstraat 8 • 3871 An Hoevelaken • The Netherlands •...
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