15
2. Schematic diagram of electric circuit
XIV. TROUBLESHOOTING
Note: If maintenance needed, please contact the Omron customer support (see
the back cover).
Display
circuit
board
Combination
valve
Oxygen
Sensor
Fan
Main control board
Compressor
Fuse
~220V50Hz
No.
Failure phenomenon
Possible reason
Elimination method
1
During operation of the
device, the red light
suddenly flashes,
accompanied by a
continuous beeping
sound, and the device
stops running.
1) Poor contact between the power
cord plug and the socket.
into the socket.
2) There is no power output from
the socket.
2) Move to a socket with power output.
3) Turned off the power switch
directly but didn't press the ON/OFF
button of the operation panel as
required.
3) Turn on the power switch and restart
the device.
4) Replace the fuse.
Firstly cut off the power supply and carry
out by professional maintenance
personnel.
4) The fuse of the network power
supply is blown out.
5) If the oxygen concentrator still does not work, please contact the customer
support for consultation (see the back cover).
2
After the device is turned
on. the sound is normal
the flow rate can be
adiusted normally, but
there is little or no oxygen
coming out.
the device are not firmly sealed so
the oxygen leaks.
1) Check the sealing ring on the inlet
and reinstall it.
inlet is not firmly sealed in place so
the oxygen leaks.
2) Check the rubber stopper of the
humidification bottle and reinstall it.
3) If the phenomenon continues, please contact the customer support for
consultation (see the back cover).
