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S/5 Avance
Error Log Entry
Alarm Text
Action/Troubleshooting
N2O PRESS LOW
N
2
low
Check N
Check / Replace N
NO EXPIRATORY FLOW
No exp flow sensor
SENSOR
Connect Expiratory flow sensor.
Check/Replace Bulkhead harness.
Replace VIB Board.
NO INSPIRATORY FLOW
No insp flow sensor
SENSOR
Connect Inspiratory flow sensor.
Check/Replace Bulkhead harness.
Replace VIB Board.
O2
PROP VALVE FAIL
Reboot System. If problem continues, Replace the Mixer.
O2
FLOW CTRL FAIL
Reboot System. If problem continues, Replace the Mixer.
O2 FLUSH FAILURE
O
2
Alarm condition becomes false for 2 consecutive switch readings.
O2 PIPE INVALID
Cannot monitor O
pipeline
Check O
Check / Replace O
O2 PRESS LOW
O
2
Check O
Check / Replace O
7-40
Condition (Basic info)
O supply pressure
N
O pipeline pressure is less
2
than 252 kPa and the N
cylinder pressure is less than
2633 kPa.
O Supply.
2
O Pipeline/Cylinder Pressure Transducer.
2
No Expiratory sensor connected
and not calibrating
No inspiratory sensor connected
and not calibrating
Mixer status bit
STS_CH1_PROPN VALVE FAIL
indicates proportional valve
failure.
Mixer status bit
STS_FLOW_CTRL_CH1_FAIL
indicates flow control failure.
flush stuck on?
Switch is detected "on"
continuously > 30 sec
O
Pipeline pressure is invalid.
2
2
Pipeline Supply.
2
Pipeline Pressure Transducer
2
supply pressure low O
pipeline pressure is less than
2
252 kPa and the O
a pressure less than 2633 kPa
for one second.
Supply.
2
Pipeline/Cylinder Pressure Transducer
2
Priority Source Enabling Criteria
Low
O
2
Medium
Medium
Medium
Mixer
Medium
Mixer
Low
Medium
High
cylinder has
2
AC
N
O is selected as the
2
balance gas with a non
zero flow of N
O
2
A,
Vent
AC,
AC -Vent
Vent
AC,
AC,
O
gas supply pressure
2
OK
AC,
Vent
DC
AC,
N
O flow stops on
2
DC
threshold detection
and Air continues to
flow if selected.
11/03 1009-0357-000
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Table of Contents
Troubleshooting
