Oxygen Error
No Error Message
Oxygen < 50% for 10 minutes Various
Causes of this error
If no tubing kinks or leaks are found,
replace the feed/waste or product
manifolds to resolve the problem
2
Error Message
Normal Display
Error Display
Fault
Troubleshooting & Repair
O2 Sensor Failure
No Error Message
Oxygen Sensor Error
The O2 sensor is giving false readings
Replace the oxygen sensor
System Hot
No Error Message
System Hot Shutdown
The cooling fan is not functioning
OR
The exhaust vent is blocked by the carry
bag
Allow the concentrator to cool for 10
minutes. If the error occurs immediately
when started, replace the cooling fan
Clear the vent and resume using the
concentrator
System Cold
No Error Message
System Cold Shutdown
The concentrator will not start-up when
stored in temperatures below 4C.
Allow the concentrator to warm up in a
room temperature environment for 10
minutes and then restart the concentrator
If the problem persists replace the
motherboard
Battery Error
No Error Message
Battery Error
The concentrator is not communicating
with the battery
Shut down the concentrator, remove the
battery and the restart the concentrator
and replace the battery
If the problem persists, turn off the
concentrator and allow the battery to
charge for 4 hours
If the problem persists, try a different
battery
If the problem persists, replace the
motherboard
Service Needed
No Error Message
Service Needed and Red LED
on LCD
The compressor has reached its maximum
speed and needs service within
approximately 30 days
Or the Feed/Waste Valve is malfunctioning,
and no O2 is being delivered while this
error is present
Repair or replace the concentrator when
possible by replacing the compressor or
the feed waste valve
If F/W manifold is faulty, plugging the
black exhaust tube will start the PSA
cycle confirming the F/W manifold was
stuck in an indeterminate position
96-06434-00 Service Manual, Inogen One G3HF
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