GE Datex-Ohmeda Aisys Carestation Reference Manual page 220

Aisys
Mixer Specific Troubleshooting
Connect
Appropriate Gas.
Allow the machine
to warm/cool and
stabilize.
TSI Flow Sensor Related
FLOW SENSOR FAIL BALANCE GAS CH
FLOW SENSOR FAILURE CH1
MIXER XX F SENSOR FAIL
MIXER XX TEMP LIMIT
MIXER XX TSENSOR FAIL
TEMP MEASUREMENT CH1 HIGH
TEMP MEASUREMENT CH2 HIGH
TEMP SENSOR FAIL BALANCE GAS CH
TEMP SENSOR FAILURE CH1
Check / Replace
TSI Interface Cable.
MIXER CRC EEPROM FAIL
15
Flowchart
7-38
Start
Correct Gases
Connected?
No
Yes
Has the machine been moved
from a non-environmentally
Yes
No
Follow the appropriate path
Pressure Sensor Related
FLOW VERIF FAIL (dP) XX CH
MIXER P SENSOR P2 FAIL
MIXER PRES SENSOR P1P3 FAIL
MIXER XX FLOW FAIL
MIXER XX FLOW CHECK FAIL
Problem Continues?
No
Problem Solved
No
Yes
FLOW SENSOR FAIL BALANCE GAS CH
FLOW SENSOR FAILURE CH1
FLOW VERIF FAIL (dP) XX CH
MIXER CRC EEPROM FAIL
MIXER CRC FLASH FAIL
MIXER CRC RAM FAIL
MIXER P SENSOR P2 FAIL
MIXER PRES SENSOR P1P3 FAIL
MIXER SW WDOG FAIL
MIXER XX F SENSOR FAIL
MIXER XX FLOW FAIL
MIXER XX TEMP LIMIT
MIXER XX TSENSOR FAIL
MIXER XX ZERO FAIL LEAK
TEMP MEASUREMENT CH1 HIGH
TEMP MEASUREMENT CH2 HIGH
TEMP SENSOR FAIL BALANCE GAS CH
TEMP SENSOR FAILURE CH1
controlled area and not
"XX" equals BAL GAS / O2 or O2 / AIR / N2O
stabilized?
based on Error Entry
Zero Mixer
After three zero attempts, does
the zero calibration "Pass"?
Yes
Problem Continues?
No
Yes
Replace Mixer
Error Entry
Mixer CPU Related
MIXER CRC EEPROM FAIL
MIXER CRC FLASH FAIL
MIXER CRC RAM FAIL
MIXER SW WDOG FAIL
04/08 M1046983