TROUBLESHOOTING
TROUBLESHOOTING
20
21
故障现象
故障现象
Concentrator is
working, but green
light, yellow light
illuminate at the
same time.
The nasal cannula
is fogged with
vapor or full of
liquid drops.
(Remove the vapor
or liquid drops
method: Turn on
the device and
connect the tubing
to the oxygen
outlet. Use your
finger to block and
release the end of
the tubing several
times to remove
the moisture and
liquid.)
Concentrator is not
working, the red
light illuminate,
buzzer alarm, the
display show
“LO”.
Concentrator is not
working, the red
light illuminate,
buzzer alarm, the
display show “E1”.
Concentrator is not
working, the red
light illuminate,
buzzer alarm, the
display show “E2”.
Concentrator is not
working, the red
light illuminate,
buzzer alarm, the
display show “E3”.
Solution
Solution
Probable cause
Probable cause
Symptom
Symptom
1) Clean or replace the filter.
1) Make sure the device is
at least 10 cm away from the
walls, other jam or heater.
1) Clean or replace the filter.
1) Clean or replace the filter.
1) Stop using the device,
please contact the supplier
immediately.
1) Stop using the device,
please contact the supplier
immediately.
1) 50%
≤
Oxygen
Concentration
≤
82%.
1) Poor ventilation around
the around the device, so
operating temperature is
too high.
1) Oxygen Concentration
≤
50%.
1) System cycle pressure
is too low.
1) System cycle pressure
is too high.
1) Compressor circuit is
opened.
Concentrator is not
working, the red
light illuminate,
buzzer alarm, the
display show “E4”.
1) Stop using the device,
please contact the supplier
immediately.
1) Compressor circuit is
closed.
2) Adjust the flow rate only
under the advice of a
physician.
2) Add cold water to
humidifier.
3) Water added should
between the maximum
and minimum levels in
humidifier.
4) Turn off the device
immediately. Restart the
device to remove the
moisture and liquid.
5) Smooth the nasal
cannula and tubing.
6) Replace the cooling fan.
Note: Cut off the power
first. And perform by
qualified personnel only.
2) Turn off and re-turn on
the device. Adjust the flow
rate only under the advice
of a physician.
2) Oxygen flow rate over
the maximum recommend
flow rate: 3L/min(8F-3A,
8F-3AW);
5L/min(8F-5A, 8F-5AW).
2) The water which added
to humidifier is too hot.
3) Add too many water
into humidifier.
4) The device stops
suddenly during operating.
5) Accessory is connected
to the device. The tubing
is kinked and the device
stops suddenly.
6) Cooling fan which
mounted inside the device
stop running or rotate
slowly, make the operating
temperature is too hot.
2) Oxygen flow rate over
the maximum recommend
flow rate: 3L/min(8F-3A,
8F-3AW);
5L/min(8F-5A, 8F-5AW).
3) If the phenomenon is still appeared, the device can be
used but please contact the supplier.
7) If the phenomenon is still appeared, the device can
be used but please contact the supplier.
3) If the phenomenon is still appeared, stop using the
device, please contact the supplier immediately.
)
If the phenomenon is still appeared, stop using the
device, please contact the supplier immediately.