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Troubleshooting
Never repair or remove the air-conditioner yourself. Disqualified repair will void the warranty
card and may cause harm to the removal personnel and property. If you encounter any of the
problems listed in the table below or the recommended remedy does not work, contact the
professional service agency.
Problem/fault
indication
Cause
Remedy
No power
Connect the unit to a live socket and
turn it on.
Full water indicator illuminates?
Drain the water stored in the unit.
Ambient temperature too low or too
high?
It is recommended that this unit be
operated at 5-35
℃
.
The air-conditioner
does not work
The room temperature is lower than
the set temperature in the cooling
mode.
The room temperature is lower than
the set temperature in the heating
mode.
Change the set temperature
There is direct sunlight
Draw the curtain on.
The doors and windows are open,
the room is crowded or there are
other heat sources in the cooling
mode
Bad cooling or heating
effects
Close the door and window and add
new air-conditioners
Filter mesh very dirty
Clean or replace the filter mesh
Air inlet or air outlet clogged
Remove the obstruction
Large noise
Air-conditioner not put on a flat
surface
Put the air-conditioner in a flat and
firm place (may reduce noise)
The compressor does
not work
Initiation of overheat protection.
Wait 3 minutes until the temperature
decreases and then turn on the unit
Too long a distance
Bring the remote control close to the
air-conditioner and ensure that the
remote control points toward the
receiving head of the remote control.
The remote control
does not work
The remote control does not point
toward the receiving head of the
remote control
The batteries have no electricity
Replace the batteries
Pipe temperature sensor failure
Check the pipe temperature sensor
and related circuits
Display E1
Display E2
Room temperature sensor failure
Check the room temperature sensor
and related circuits
Check the refrigerant leak location,
weld the leak location, create vacuum
and fill with refrigerant.
Display E3
No refrigerant or little refrigerant
Display E4
Anti-freeze protection
Restore the functions automatically
once defrozen.
Full water indicator
The water in the baseplate of the unit
reaches the full water level
illuminates
Drain the water in the baseplate.
