Mindray A7

A7™ Service Manual 046-006272-00 iii
Table of Contents
Breathing System Leak Test.............................................................................................................................................................................3 - 9
Automatic Backup Flow Control Test........................................................................................................................................................ 3 - 16
Check the AG Module Accuracy................................................................................................................................................................. 3 - 20
Gas Module Verification................................................................................................................................................................................. 3 - 21
Gas Delivery System Tests............................................................................................................................................................................. 3 - 21
Check the Sensor Zero Point........................................................................................................................................................................ 3 - 24
Check the Flow Sensor Accuracy................................................................................................................................................................ 3 - 25
Check the Pressure Sensor Accuracy......................................................................................................................................................... 3 - 28
Total Flow Sensor Self Test............................................................................................................................................................................ 3 - 33
Pneumatic Leak Tests ..................................................................................................................................................................... 3 - 33
Line Pressure Gauges Accuracy Test ......................................................................................................................................................... 3 - 33
N2O Cylinder Leak Test .................................................................................................................................................................................. 3 - 34
O2 Cylinder Leak Test...................................................................................................................................................................................... 3 - 34
AIR Cylinder Leak Test..................................................................................................................................................................................... 3 - 34
Line Pressure Leak Tests................................................................................................................................................................................. 3 - 35
Breathing System Checks.............................................................................................................................................................. 3 - 37
Waste Gas Scavenger Test (if available) ................................................................................................................................................... 3 - 37
Internal Gas Connections Test..................................................................................................................................................................... 3 - 37
Drive Gas Pressure Loss Alarm, N2O Cutoff Test................................................................................................................................... 3 - 40
Performance Verification............................................................................................................................................................... 3 - 41
Manual Mode Ventilation Test..................................................................................................................................................................... 3 - 41
APNEA Alarm Test ............................................................................................................................................................................................ 3 - 41
Alarm Silence Test............................................................................................................................................................................................ 3 - 41
VCV Adult Ventilation Mode Test ............................................................................................................................................................... 3 - 42
VCV Child Ventilation Mode Test................................................................................................................................................................ 3 - 42
Airway Disconnect Alarm Test..................................................................................................................................................................... 3 - 43
PCV Adult Ventilation Mode Test ............................................................................................................................................................... 3 - 43
Pressure Support (PS) Ventilation Mode Test ........................................................................................................................................ 3 - 44
Alarms and Fail safe Functions.................................................................................................................................................... 3 - 44
Set Up.................................................................................................................................................................................................................... 3 - 44
Low O2 Alarm Test........................................................................................................................................................................................... 3 - 45
High O2 Alarm Test.......................................................................................................................................................................................... 3 - 45
Peak Pressure Alarms Test............................................................................................................................................................................. 3 - 45
Minute Volume Alarm Test ........................................................................................................................................................................... 3 - 46
Miscellaneous Tests......................................................................................................................................................................... 3 - 47
Test the Line Voltage Alarm.......................................................................................................................................................................... 3 - 47
Top Light and Auxiliary Light Test.............................................................................................................................................................. 3 - 47
Touchpad Test................................................................................................................................................................................................... 3 - 47
Module Rack Functional Test ....................................................................................................................................................................... 3 - 47
Vaporizer Interlock Test................................................................................................................................................................. 3 - 48
For 2 vaporizer Mount .................................................................................................................................................................................... 3 - 48
For 3 vaporizer Mount .................................................................................................................................................................................... 3 - 48
Vaporizer Accuracy Test ................................................................................................................................................................ 3 - 49
Suction Regulator Test................................................................................................................................................................... 3 - 49
Electrical Tests................................................................................................................................................................................... 3 - 50
Auxiliary Electrical Outlet Test ..................................................................................................................................................................... 3 - 50
Electrical Safety Inspection Test.................................................................................................................................................................. 3 - 50
Electrical Safety Inspection Form................................................................................................................................................................ 3 - 51
Calibration............................................................................................................................................................ 4 - 1
Introduction..........................................................................................................................................................................................4 - 2
Calibration Warnings, Precautions, and Notes.........................................................................................................................4 - 2
Warnings.................................................................................................................................................................................................................4 - 2
Cautions..................................................................................................................................................................................................................4 - 2
Notes........................................................................................................................................................................................................................4 - 3
System Calibration..............................................................................................................................................................................4 - 3
Flow Calibration (User)......................................................................................................................................................................................4 - 4
Flow Calibration (Service).................................................................................................................................................................................4 - 8
Pressure Calibration (Service) ...................................................................................................................................................................... 4 - 30
Pressure and Flow Zeroing (Service) ......................................................................................................................................................... 4 - 45