P.41
Troubleshooting
Note:
- Do not dismantle or repair the unit without authorization, improper repair will void the warranty card and
cause harm to you and your property.
- If your problem is not listed on the Troubleshooting, please ask for professional service.
Please refer to below chart if you have any questions during operating.
Trouble
Cause
Solution
The unit fails to start up
Power supply failure
Connect the unit to a live socket and turn
it on.
Water-full and its icon lighting
Drain the water stored in the unit.
Ambient temperature too low or low high
It is recommended to use this unit between
7-40
℃
The room temperature is lower than
the set temperature in cooling mode or
higher temperature in heating mode
Change the set temperature
Bad cooling or heating
effects
There is direct sunlight
Close the window curtain
The doors and windows are open, the
room is crowded or there are other heat
sources
Close the door and window, remove other
heat sources, and add new air-conditioners
Dirty filter
Clean or replace the filter mesh
Air inlet or air outlet clogged
Remove the obstruction
High noise level
The unit is being placed at uneven
surface.
Put the unit at a flat and firm place (may
reduce noise)
The compressor does not
work
Initiation of overheat protection.
Wait for 3 minutes until the temperature
decrease, the unit will re-start automatically
The remote control does not
work
Too long distance
Bring the remote control close to the
air-conditioner and ensure airs at signal
receptor on unit.
The remote control didn’t aim at signal
receptor on unit.
The batteries have no electricity
Replace the batteries
“CH01” code displays
Room temperature sensor failure
Contact customer service & repair centre
“CH02” code displays
Tube temperature sensor failure
Contact customer service & repair centre
“E4” code displays
Anti-freeze protection
Restore the functions automatically once
anti-freeze protection is over.
Displays
Water tank in chassis is full
Drain the condensate and re-start the unit