TROUBLE SHOOTING
Don’t repair or disassemble the unit by yourself. Please take to an authorized dealer. Failure to do
so may affect the warranty.
Trouble
Reason
Solution
The unit doesn’t work
No power supply
Power-on and turn on the unit.
Water-full indicator illuminate
Drain out the inner stored
water
Timer function is active
Cancel Timer function
Room temperature too low or
too high?
Suggesting ambient
temperature between 7-40
°C
The unit does not seem to
perform.
In direct sunlight
Draw the curtains
Windows or doors open, many
people or a heat source in the
room
Close windows and turn on
another air conditioner
Filter is dirty
Clean or change the air filter
Air inlet or air outlet is blocked Clear out the outlet
Room temperature is lower
than setting temperature
Change the setting
temperature
The unit noise is high
The unit is not on level
ground.
Put the unit on flat and hard
place.
Compressor doesn’t work
Unit overheated
Allow to cool down (5
Minutes)
Remote control doesn’t work
Out of range of the main unit
Get closer to the main unit
and aim directly at the air-
outlet grille
Control panel hasn’t received
the signal from remote control.
The batteries run out.
Change the batteries
E1 on LCD
Coil temperature is abnormal
Check coil temperature
sensor or relevant circuit
E2 on LCD
Room temperature is
abnormal
Check room temperature
sensor or relevant circuit
E3 on LCD
No refrigerant or there is very
few refrigerant
Check leakage, wielding,
vacuum pump, charge
refrigerant according to name
plate
E4 on LCD
Anti-freezing protection
Waiting for defrosting,
function will recover
automatically
P2 on LCD
Water is full inside the
machine
Drain out water from drain
port at bottom rear of the unit.
F1 on LCD
High pressure protection
(only for US standard)
After inside gas pressure
comes down, it will function
well.
