Breathing System Problems - GE Carestation 620 User's Reference Manual

Breathing system problems

Symptom
Gas scavenging flow is too low
or too high.
The bellows fills when the Bag/
Vent switch is set to Bag or the
bag fills when the switch is set to
Vent.
The ventilator does not read the
position of the Bag/Vent switch.
APL valve does not operate
correctly.
Large breathing system leak.
Bellows falls below top of
indicator during the Bellows
assembly test.
During PCV-VG mode,
measured tidal volume is less
than set.
2076152-001
.
Problem
Scavenging extract flow problem.
Pressure sensor problem.
Leak through Bag/Vent switch.
Ventilator or absorber malfunction.
APL valve problem.
Bag hose not connected properly.
Absorber canister not installed
correctly.
Leak in the breathing system.
Inspiratory pressure is limited to Pmax
minus 5 cmH2O.
7 Alarms and troubleshooting
Solution
Use a different scavenging extraction
system. Verify flow is within specification.
Contact an authorized service
representative to repair the pressure
sensor on anesthesia control board.
Contact an authorized service
representative to repair the system.
Ventilate manually. Contact an authorized
service representative to repair the system.
Replace APL valve seal and diaphragm.
Make sure the bag hose is connected to
the bag port (below the APL valve).
Reinstall the absorber canister.
Make sure the canister is placed correctly
on the canister lifter base.
Check, clean, or reposition the pressure
relief valve. If the problem persists, replace
the pressure relief valve, bellows base, or
bellows assembly.
Increase the Pmax setting.
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