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General
Alarm
Alarm Code Name
Alarm
Code
Name
Prolonged
0x9209 LPA_prolongedUnit-
Unit Warm
WarmUp
Up
Oxygen
0x8208 LPA_oxygenSensorFailure
Sensor
Failure
1187375-B
Display Message
Possible Reason
The display shows:
1. Concentrator is
"Warming Up"
1. Oxygen sensor
The display shows:
"Sensor Fault See
Manual"
Solution
1. Ensure cannula is
producing less
connected while
than 87% O2 after
unit is operating.
warm up state.
2. Clean air intake
The standard warm
filter screen.
up state has a
3. Change outlet
maximum duration
filter.
of 120 seconds
4. If alarm persists,
before it becomes
contact Invacare
a prolonged warm
for service.
up alarm state.
a. Unit running
without cannula
connected -or-
b. Inlet airflow
blockage -or-
c. Outlet filter
perforated -or-
d. Sieve bed
has been
compromised
-or-
e. Oxygen sensor
is not properly
calibrated.
1. If alarm persists,
is damaged or
contact Invacare
disconnected.
for service.
Troubleshooting
29
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