Inogen ONE G4 Technical Manual page 17

Replace
Columns
CONFIDENTIAL and
96-06917-00-01 rev C
PROPRIETARY
Oxygen is low because columns
are nearing the end of their service
life.
DCR 20-328
This message is to alert the user that the
sieve bed columns will need to be replaced
within 30 days, and that they should alert their
provider.
Once columns are replaced with new
columns, reset the system software by
performing the following reset operation:
1. Turn off the concentrator and plug in
external power.
2. Hold the plus (+) and minus (-)
buttons down for 5 seconds.
3. When "Sieve Reset" appears on the
LCD screen, press the mode button
to confirm. This resets the system
software.
4. Press the power button to resume
normal use of the concentrator.
INOGEN ONE G4 TECHNICAL MANUAL
Page 17 of 19