I TROUBLE SHOOTING
Problem Cause Solution
Unit does not
start when
pressing on/of
button
Water full indicator lamp
blinks, and water tank is full
Dump the water out of the
water tank
Room temperature is higher
than the setting temperature.
(Electric heating mode).
Reset the temperature
Room temperature is lower
than the setting temperature.
(Cooling mode)
Reset the temperature
Not cool
enough
The doors or windows are not
closed.
Make sure all the windows
and doors are closed
There are heat sources inside
the room.
Remove the heat sources if
possible
Exhaust air hose is not con-
nected or blocked
Connect or clean the exhaus
air hose
Temperature setting is too
high
Reset the temperature
Air inlet is blocked Clean the air inlet
Noisy
The ground is not level or not
flat enough
Place the unit on a flat, level
ground if possible
The sound comes from the
flowing of the refrigerant
inside the air conditioner
It is normal
E0 Code
Room temperature sensor
failed
Replace condenser
temperature sensor
E1 Code
Condenser temperature sen-
sor failed
Replace condenser tempera-
ture sensor
E2 Code Water tank full when cooling
Take off rubber stopper and
empty the water.
E3 Code
Evaporator temperature sen-
sor failed
Replace evaporator tempera-
ture sensor
E4 Code Water tank full when heating Please empty the water tank
Never try to repair or dismantle the air conditioner yourself. Incompetent repairs
result in loss of warranty and can endanger the user.
4
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man_ACA114 ('21) V3.indd 53man_ACA114 ('21) V3.indd 53 16-12-2021 17:1116-12-2021 17:11
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