Troubleshooting the Anesthetic Gas Module 9 Anesthetic Gas Module
221
Agent ID Assmebly Diagnostic Checks
Symptom Possible Cause Corrective Action
Agt-ID. Assy shows
Problem
Wrong Agent-ID
software revision
Check for correct Agent-ID revision in AG
Revision window, item:
Agt-ID SW
If necessary, replace Agent-ID EPROM.
Defective agent ID
head.
Do the following agent ID head checks:
Using a voltmeter, check the IR source
voltage at the main PC board as follows:
Connect the voltmeter ground to TP1.
Measure TP11 voltage. It should be 7.92V
±20mV.
If this voltage is within limits, proceed to the
next check. If not, adjust the potentiometer
R180 to the required value. If adjustment is
not possible, replace the Agent-ID head.
Power off. Connect a replacement head with
the ribbon cable and reconnect tubing. Turn
power back on and see if the Agt.-Id still
shows
Problem. If the message is gone,
replace the head. If the problem persists,
continue checking. Power Supply Diagnostic
Checks
Defective power supply
Carry out the checks for the power supply .
Defective cables Check the cables connecting the
measurement head and the main PC board
for signs of damage or wear. Check the
connectors for damaged or loose
connections. If any defects are apparent,
replace the cable.
Defective main PC
board
If the checks above do not solve the problem,
replace the main PC board.
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