OXYGEN CONCENTRATOR USER MANUAL
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TROUBLESHOOTING
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
In order to avoid electric shock, please do not open the device. The
covers should only be removed by authorized service personnel.
5!!
The table below lists common problems and actions you can take. If you
are unable to resolve a problem, please contact your home care provider. .
Symptom
Possible Cause
Remedy
A.
Unit does not
operate. Power light
is off when the
power switch is “on”.
Audible alarm is
pulsing and Service
Required light is
flashing.
1. Power cord not
properly inserted
into wall outlet.
Check power connection at the wall outlet. On 230
voltage units, check the back of the unit.
2. No power at
wall outlet.
Check your home circuit breaker and reset if
necessary. Use a different wall outlet if the situation
occurs again.
3.Oxygen
concentrator
circuit breaker
activated
Press the concentrator circuit breaker button
（
if
equipped
）
located below the power switch. Use a
different wall outlet if the situation occurs again.
B.
Unit operates
within 1min; the
Power light is on
when the Power
switch is “On”. Red
Service Required light
is illuminated.
Audible alarm may
be sounding.
1. Air filter foam
is blocked.
Check the Air filter foam. If the air filter foam is
dirty, wash it by following the cleaning instructions
on page 19.
2. Exhaust is
blocked.
Check the exhaust area; make sure there is nothing
restricting the unit exhaust.
3. Blocked or
defective nasal
cannula.
Detach nasal cannula from the device. If proper flow
is restored, clean or replace nasal cannula if
necessary.
C.
Unit operates the
power light is on
when power switch is
“on “, audible
low-frequency
vibration sound is
detected.
The strap on the
bottom of the
machine was not
cut off
Turn off and unplug the machine , then put the
machine on the floor to cut off and remove the
strap.