GE Datex-Ohmeda Aisys Carestation Reference Manual page 264

Aisys
Vaporizer Test message
FAILED:
Outflow Valve: Leaking/stuck
open.
FAILED: Outflow Zero Valve:
Failed closed.
FAILED:
Proportional Valve:
Drive current error detected
FAILED:
Proportional Valve:
Erratic operation, sticking
FAILED:
Proportional Valve:
Leaking/stuck open.
FAILED:
Scavenging Valve:
Failed closed
7-82
Corrective Action
Replace and retest in the following order:
• Outflow Valve
• ADB
Replace Outflow Zero Valve and retest.
Replace and retest in the following order:
• Proportional Valve
• ADB
Replace and retest in the following order:
• Proportional Valve
• ADB
Replace and retest in the following order:
• Proportional Valve
• ADB
Replace and retest in the following order:
• Scavenging Valve
• ADB
04/08 M1046983