Vaporizer Test Results Troubleshooting Procedures - GE Datex-Ohmeda Aisys Carestation Reference Manual

7.10.2 Vaporizer Test Results troubleshooting procedures

Vaporizer Test message
Check Terminated:
Test Cassette not detected.
Check Terminated:
O2 supply or mixer flow failure.
Check Terminated:
Ventilator in bag mode or
non-circle selected (ACGO).
FAILED:
Backpressure Valve:
Low backpressure at 200ml/min
flow.
FAILED:
Cassette Circuit Flow Error
FAILED:
Cassette Communications:
Check Cassette Interface Board.
FAILED:
Cassette Pressure Incorrect.
M1046983 04/08
Note 1: If a vaporizer alarm becomes active before or during the Vaporizer Test, the
following message is printed along with the test results.
"CAUTION! Critical Vaporizer Alarm(s) Active. May Affect Results"
• Check the error log for vaporizer errors.
• Take any necessary corrective action.
• Repeat the test.
Note 2: If the Vaporizer Test results returned by Aisys are not supported by the Service
Application the message below will be displayed.
"FAILED: Test results not supported by this version of Aisys Service Application"
• Upgrade Service Application to the latest version.
Corrective Action
Insert Test cassette.
Correct O supply or Mixer flow function faults before proceeding with Vaporizer Test.
2
Place Bag/Vent switch to Vent, select circle, and retest.
Replace Backpressure Valve and retest.
Identify the failing flow meter. Check the InputFlowAt500mlCheck and
OutputFlowAt500mlCheck values in the printed results data. Whichever one deviates most
from 500 (500 ml/min test flow) is the failing flow meter. If replacing the Zero Valve as
suggested below, replace the zero valve of the failing flow meter.
Replace and retest in the following order:
• Backpressure Valve
• Flowmeter Block
• ADB
Check, replace, and retest in the following order:
• All four magnets on Cassette Interface Board fingers draw down and make contact with Test
Cassette contacts
• Cassette Interface Board to Agent Delivery Board cable connections are secure
• Cassette Interface Board
• Agent Delivery Board
Replace and retest in the following order:
• Both zero valves leaking/stuck open.
• Flowmeter Block
• ADB
7 Troubleshooting
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