OXYGEN CONCENTRATOR USER MANUAL
20
supplier. Please don't try any other repairs.
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
（selected units）.
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 intake
flitering foam is
blocked.
Check the Air intake flitering foam. If the flitering
foam is dirty, wash it 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, catheter,
face mask or
oxygen tubing.
Detach nasal cannula, catheter, or face mask. If
proper flow is restored, clean or replace if
necessary. Disconnect the oxygen tubing at the
oxygen outlet. If proper flow is restored, check
oxygen tubing for obstructions or kinked. Replace if
necessary.
C. Unit operates
the power light is on
when power switch is
“on “, audible
low-frequency
vibration sound is
detected.
The tie on the
bottom of the
machine do not
be cut off
Turn off the machine and put off the power plug
，
then put the machine side
，
cut off the tie and put
out.
D. Both the green
Normal Oxygen and
the yellow Low
Oxygen lights are
either on or off.
O.C.I malfunction Contact your supplier
E. Yellow Low Oxygen
light is on or the
1. Flow meter is
not properly yet.
Ensure the flow meter is properly set to the
prescribed.
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