CONFIDENTIAL and
PROPRIETARY
96-02735-00-01 revC
INOGEN ONE G2 OXYGEN CONCENTRATOR
TECHNICAL MANUAL
Page 19 of 20
battery is sufficiently charged. If the
error persists, return the concentrator
for service..
016
System electric current out of
specifications
There may be a fault with the motor or
the battery communication. If the
problem occurs at the end of a battery
discharge, recharge the battery. If the
error is persistent, return the
concentrator for service.
128
Signal or reading out of spec.
Applies to signals from user
interface and other internal
connections.
A sensor has given an out of range
reading and might need to be serviced
if the error persists after restarting the
concentrator.
System Hot
System Cold
temperature out of specifications
Remove the concentrator from the
carry bag and restart the concentrator
after 10 minutes to cool down. If the
error persists, the fan may have failed.
If the System Cold message appears,
allow the concentrator to warm up for
15 minutes in a room temperature
environment and then restart the
concentrator.
Battery Hot
Warning
Battery Hot
Shutdown
Battery over temperature during
discharge
The concentrator might need to be
moved to a cooler location with
improved ventilation
Oxygen Low
The Oxygen purity is < 82% for 30
minutes
The sieve beds may require servicing
Oxygen Error
The Oxygen purity is < 50% for 10
minutes
The concentrator has a malfunction
such as a leak or a failed valve
O2 Sensor
Failure
The oxygen sensor is returning
false readings
If the problem persists, return the
concentrator for service
O2 Delivery
Error
A breath is detected, but no bolus
is delivered
Check for kinks or blockages in the
tubing between the product manifold
AMSR
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