Covidien Puritan Bennett 700 Series, Service Manual

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Table of Contents
Puritan Bennett™ 700 Series Ventilator System Service Manual 10070389 Rev. A xiii
4 Service and utility functions
4.1 Introduction ............................................................................................................... 4-1
4.1.1
Accessing the service or utilities functions .................................................. 4-1
4.1.2 Summary of functions................................................................................... 4-2
4.1.3 Navigating the Service and Utilities menus................................................. 4-2
4.1.4 About the test and alert logs and EST test results...................................... 4-4
4.2 Service functions ........................................................................................................ 4-4
4.2.1
Sensor data.................................................................................................... 4-4
4.2.2 EST (Extended self-test) ................................................................................ 4-8
4.2.3 Diagnostics/Calib ........................................................................................... 4-8
4.2.3.1 Enable serial port..................................................................................... 4-9
4.2.3.2 Run tests ................................................................................................. 4-10
4.2.3.3 Clear test log: Erasing the test log........................................................ 4-20
4.2.3.4 Clear alert log: Erasing the alert log .................................................... 4-20
4.2.3.5 Update constants: Manually inputting calibration constants
into NVRAM. .......................................................................................... 4-20
4.2.3.6 Review constants: Viewing calibration constants in NVRAM ............. 4-21
4.2.3.7 Reset service data .................................................................................. 4-21
4.2.4 Review alert log: Reading the alert log..................................................... 4-23
4.2.5 Test data: Reading the test log or EST test results.................................... 4-23
4.2.5.1 Review test log: Reading the test log................................................... 4-24
4.2.5.2 Review EST tests: Reading pass/fail status of EST tests........................ 4-24
4.3 Utilities functions ..................................................................................................... 4-24
4.3.1
Pressure format ........................................................................................... 4-24
4.3.2 Date and time format................................................................................. 4-24
5 Performance verification
5.1 When to run ............................................................................................................... 5-1
5.2 Tools, test equipment, and service materials ........................................................... 5-2
5.3 Preliminary ventilator cleaning and inspection ....................................................... 5-3
5.4 Preliminary ventilator setup...................................................................................... 5-4
5.5 Preliminary pneumatic test equipment setup.......................................................... 5-4
5.6 Performance verification procedures ....................................................................... 5-4
5.6.1
Electrical safety test and power-on self-test (POST) (Test 1) ...................... 5-5
5.6.2 Rotary encoder test (Test 2) ......................................................................... 5-6
5.6.3 Battery test (Test 3)....................................................................................... 5-6
5.6.3.1 External/internal battery test.................................................................. 5-6
5.6.3.2 Internal battery test................................................................................. 5-7
5.6.4 Backup alarm test ......................................................................................... 5-7
5.6.5 Supply voltage test (Test 4) .......................................................................... 5-8
5.6.6 Gas volume accuracy, breath timing, and PEEP system test (Test 5),
using the PTS 2000 and Breathlab software ............................................... 5-9
5.6.7 Extended self-test (EST) (Test 6) ................................................................. 5-12
5.6.8 Oxygen accuracy test (Test 7) using the PTS 2000..................................... 5-13
5.6.9 High pressure alarm test (Test 8) using the PTS 2000 ............................... 5-15
5.6.10 Safety valve test (Test 9) ............................................................................. 5-16
5.7 Troubleshooting....................................................................................................... 5-17