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Troubleshooting
Never attempt to repair 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
The air-conditioner
does not work
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 ?
It is recommended that this unit be
operated at 10-35
℃
.
The room temperature is lower than
the set temperature in the cooling
mode.
Change the set temperature
Bad cooling or heating
effects
There is direct sunlight on unit
Draw the curtain close.
The doors and windows are open,
the room is crowded or there are
other heat sources in the cooling
mode
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
Loud noise
Air-conditioner not put on a flat or
level 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
The remote control
does not work
Too long a distance from RC sensor
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 point
toward the receiving sensor of the
remote receiver
The batteries are weak
Replace the batteries
Display E1
Pipe temperature sensor failure
Check the pipe temperature sensor
and related circuits
Display E2
Room temperature sensor failure
Check the room temperature sensor
and related circuits
Display E4
Anti-freeze protection
Restore the functions automatically
once defrosted.
Full water indicator
illuminates
The water in the base plate of the
unit reaches the full water level
Drain the water in the base plate.
