Datex-Ohmeda S/5 Avance Technical Reference Manual page 157

Error Log Entry Alarm Text
Action/Troubleshooting
ACB SW WATCHDOG System Malfunction
Reboot System. If problem continues, replace the ACB.
ACB UNEXPECTED System Malfunction
RESET
Reboot system. If problem continues, replace the ACB.
ACGO Vol and Apnea
monitoring off
No Service Action Required.
ACMains POWER FAIL Plug in power cable.
On battery
No Service Action Required.
AIR PIPE INVALID Cannot monitor Air
pipeline
Check Air Pipeline Supply.
Check/Replace Air Pipeline Pressure Transducer.
AIR PRESS LOW Air supply pressure low Air pipeline pressure is less than
Check Air Supply.
Check/Replace Air Pipeline/Cylinder Pressure Transducer
AIRWAY SENSOR CAL Calibrate flow sensors Airway Pressure Sensor zero
ERROR
In the Service Software / Vent Flow & Pressure Diagnostics, verify the Airway Pressure counts is
800 ± 250.
Disconnect the Black in-line connector in the Patient Airway. If the counts return within specified range,
check for occlusions in the Bulkhead harness.
If the counts do not return within the specified range, replace the VIB.
ALT O2 SWITCH FAIL
Replace the Alt O
1009-0357-000 11/03
Condition (Basic info)
Software watchdog failed power-
up test, timed out, or a software
function was delinquent for too
long.
Unexpected reset of AC
Non Circle (ACGO) selected
ACMains_GOOD goes and stays
low for at least 300 msec (3
software loops)
Air Pipeline pressure is invalid.
252 kPa and the air cylinder has
a pressure less than 2633 kPa
for one second.
offset out of range
Alternate O switch status
2
indicates Alt O switch fault. The
2
fault detection condition must
persist for 1 second.
Switch.
2
7 Troubleshooting
Priority Source Enabling Criteria
High AC
High AC
Low DC System has ACGO
Medium PC 30 minutes of battery
power available.
Medium DC
Medium AC, Air is selected as the
DC balance gas with a non
zero flow of air or the
ventilator uses air as
the drive gas and
mechanical ventilation
is ON
Low AC, Flow sensor detected
Vent
Medium AC
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