GE Datex-Ohmeda Aisys Carestation Reference Manual page 221

Power - Valves - Mixer Troubleshooting
No
Turn Machine
Power Off and
Disconnect J1
Cable from Mixer
Did the Mixer 10VA Volts\
AMPS return to "OK" with
the J1 Cable
disconnected?
No Yes
Check / Replace
ACB to Mixer
Cables.
Troubleshoot/
Replace ACB
16
Flowchart
M1046983 04/08
Start
Does Mixer communicate
in Service Application?
No
Is the Mixer 10VA Volts From
Anes Cntrl Bd "OK" in the
Mixer Power Diagnostics
Screen in the Service Application?
Yes
Are the Mixer 10VA Volts/AMPS "OK" in the Anes Control
Board Power Diagnostics Screen in the Service Application?
Yes
Are any of the Board
Supplies "OK" in the
Mixer Power
Diagnostics Screen in
the Service Application?
Yes
Check/Replace
ACB to Mixer
Cables.
Replace Mixer Yes
XX FLOW CTRL FAIL
XX PROP VALVE FAIL
FLOW ATTAIN FAIL BAL GAS CHANNEL
FLOW ATTAINMENT FAILURE CH1
+12.0V H AMPS MIXER
+ 12.0V H AMPS Gas SEL Valves
+12.0V H AMPS ALT O2
MIXER BAL GAS CHANGE FAIL
MIXER XX FLOW CHECK FAIL
MIXER XX SELECTION VLV FAIL
MIXER VOLTS FAIL
+12.5V TO ACB
"XX" equals BAL GAS / O2 or O2 / AIR / N2O
Yes
No
No No
Troubleshoot/
Replace Power
Controller Board
Problem Continues?
Problem Solved
No
7 Troubleshooting
Error Entry
Proceed to
"Valves / Mixer Troubleshooting"
(Flowchart 17)
Is the 12.5 v DC from
the Power Controller
"OK" in the Anes
Control Board Power
Diagnostics Screen in
the Service Application?
Yes
Troubleshoot/
Replace ACB
7-39