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Message
Priority
Memory (EEPROM)
Fail
Memory (flash)
Minimum
Failure
shutdown (High)
Memory (RAM)
Minimum
Failure
shutdown (High)
Memory (Redundant
Minimum
Storage) Fail
monitoring
(Medium)
Memory (video)
Minimum
Failure
shutdown (High)
Monitoring Only
Medium
No Circuit Module
Low
No CO
Absorption
Medium
2
(low after
acknowledged)
No Exp Flow Sensor
Medium
(low after
No Insp Flow Sensor
acknowledged)
No message, only
High
specific shutdown
message
No O
Pressure
High
2
(cannot be
silenced)
1009-0633-000
Cause
The system cannot access
some stored values.
Ventilator malfunction.
Ventilator malfunction.
Ventilator malfunction.
Ventilator malfunction.
A severe malfunction
prevents mechanical
ventilation. Other alarms
may also occur.
Ventilator malfunction.
The absorber canister is
open (out of the circuit) but
the bypass mechanism
prevents a leak (optional
feature).
Electrical signals show the
flow sensor is not
connected.
A severe malfunction
prevents mechanical
ventilation and monitoring.
Other alarms may also
occur.
The O
supply has failed.
2
4 Alarms and Troubleshooting
Action/Concerns
Default settings are used.
Ventilation is still possible but
service is necessary.
Ventilate manually. Monitoring is
not reliable.
Ventilate manually. Monitoring is
not reliable.
Ventilate manually. Monitoring is
still available.
Ventilate manually. Monitoring is
not reliable.
Ventilate manually. Cycle system
power (On- Standby-On). If the
alarm clears, restart mechanical
ventilation.
Ventilate manually.
User setting. Reinstall the
absorber canister to remove CO
from exhaled gas
Connect the flow sensors. Make
sure the flow sensor module is
on all the way.
Ventilate manually. Use a stand-
alone monitor. Cycle system
power (On- Standby-On). If the
alarm clears, restart mechanical
ventilation.
Air flow will continue. Ventilate
manually if necessary. Connect a
pipeline supply or install an O
cylinder.
Repair
Contact a qualified
service representative.
Contact a qualified
service representative.
Contact a qualified
service representative.
Contact a qualified
service representative.
Contact a qualified
service representative.
Contact a qualified
service representative.
Optical sensors look for
tabs on the back of the
module. Is the module
assembled? are the
sensors dirty?
- - -
2
- - -
Contact a qualified
service representative
- - -
2
4-9
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