Inogen One G4, User Manual, Page: 32 / 312

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The following high priority alert messages are accompanied by a five beep pattern ,
repeated every 10 seconds and a flashing yellow light .
Condition/Action/Explanation
Concentrator has insufficient battery power to produce
oxygen. Attach external power supply or exchange battery,
then restart unit if necessary by pressing On/Off button.
Battery has exceeded temperature limit while concentrator
is running on battery power. Concentrator has stopped
producing oxygen. If possible, move concentrator to a
cooler location, then turn power off and back on. Ensure
air intake and outlet vents have clear access and particle
filters are clean. If condition persists, switch to a backup
source of oxygen and contact your equipment provider.
Concentrator temperature is too high and oxygen
production is shutting down. Ensure air intake and outlet
vents have clear access and particle filters are clean. If
condition persists, switch to a backup source of oxygen and
contact your equipment provider.
This may result from the concentrator being stored in a
cold environment (below 0ºC (32ºF)). Move to a warmer
environment to allow the unit to warm up before starting
it. If condition persists, switch to a backup source of
oxygen and contact your equipment provider.
Concentrator has stopped producing oxygen and is
shutting down. You should:
1. Switch to backup oxygen source
2. Contact your equipment provider
Message Display & Text
Battery Empty
Attach Plug
Battery HOT
System HOT
System COLD
System Error
High Priority Alerts
CAUTION If you are not near the Inogen One® G4 you may not be able to hear
or see the high priority alerts. Make sure the Inogen One® G4 is in a
location where the alerts and alerts will be recognized if they occur.