Problem
Yellow LED is illuminated,
Red LED is blinking and
the audible alarm is
sounding continuously.
Red LED is illuminated
and the audible alarm is
sounding continuously.
One blue LED is flashing
but the cylinder pressure
is not increasing.
20
Possible Cause
Average O
purity in the
2
cylinder is below 90%.
The device has detected a
system malfunction.
Internal part failure.
Cylinder valve may be
open. (Only applicable if
the OCD/Regulator is not
attached).
Your Action
Press the stop button. Disconnect the cylinder from
the device and empty it. Do not use the cylinder.
Check the flow meter on the concentrator and verify
the flow is ≤ 3 LPM (5L concentrator) or ≤ 7 LPM
(10L concentrator). Wait 5 minutes.
Attach a new cylinder and press the start button.
If the problem persists, contact your home care
provider.
Turn off the device and wait 5 minutes. Restart the
device.
If the problem persists, contact your home care
provider.
Press the cylinder disconnect button and remove the
cylinder. Verify there is no obstruction to the cylinder
fill connection.
DO NOT LUBRICATE THE CYLINDER FITTING
WITH OIL OR GREASE.
If the OCD/regulator is not attached to the cylinder,
check to make sure the cylinder valve is closed.
Reconnect the cylinder.
Press the start button.
If the problem persists, contact your home care
provider.