GE Datex-Ohmeda Aisys Carestation Reference Manual page 234

Aisys
Error Log Entry
Action/Troubleshooting
CASSETTE
TEMPERATURE
EEPROM FAILURE
Check connection of Cassette Temperature Sensor to the ADB.
Cycle power.
If the problem persists replace and retest, in the following order (Also see Section 7.10.):
• Cassette temp sensor
• ADB
CAL DATA FAILURE IN
EEPROM
Perform complete service level calibrations (ventilator).
CHECK FLOW SENSOR
Check flow sensor connections.
Check the breathing circuit.
Check VIB sensor tubing for leaks.
Perform flow sensor calibration.
Check Insp/Exp check valves.
Check/Replace flow sensors.
CLOSED LOOP
CONTROL FAILURE
Run PC Service App Vaporizer Test (Section 12.10.2) to verify hardware performance.
Replace and retest in the following order (Also see Section 7.10.):
• Proportional Valve
• ADB
This error can also be caused by the following:
• Liquid Flow Prevention Valve actuated. Look for occurrences of CONDENSATION CONDITIONS EXIST
• Cassette held in place, but not latched, during agent delivery. It is possible to hold the cassette in a
• Check cassette travel to ensure deformation or under sizing of cassette bay is not causing undue
7-52
Alarm Text Condition (Basic info)
Try another cassette. Cassette temperature sensor
Schedule service. calibration data EEPROM
read error or cassette
temperature sensor hardware
revision data EEPROM read
error or software compatibility
failure.
Service calibration Default cal data is being used
advised due to corrupt data in cal
region.
Check flow sensors During Mechanical breaths,
the measured flow for 6
consecutive breaths, to and
from the patient, does not
meet certain criteria.
No or negative flow on Insp
flow sensor during inspiration
or negative flow on Exp flow
sensor.
Check cassette. Set Closed loop controller was
agent. unable to control output flow
from the cassette.
and CASSETTE OVERFILL DETECTED errors preceding this error.
position such that the cassette ID is recognized but the cassette valves are not open, preventing flow.
restriction.
Priority Source Enabling Criteria
Medium AC
De-
escalating
Low AC
Medium AC, In-range flow data
Vent available during
mechanical ventilation
Medium AC System state is
De- Therapy
escalating
04/08 M1046983