15
5.
Cover the air-conditioning unit with a plastic packaging, place it in a dry place out of
reach of children and protect against dust.
6.
Remove the batteries from the remote controller and place them in a safe place.
Note:
Ensure correct storage of the air conditioning unit and all its components in a dry and
safe place.
TROUBLESHOOTING
Never attempt to repair or disassemble the air conditioning unit yourself. An unprofessional
repair will result in the cancellation of the warranty and may result in personal injuries or
damage to property.
Problem
Cause
Solution
Air conditioning unit
not working
The unit is not connected to the mains.
Connect the power cable to the power socket
and switch on the air conditioning unit.
The water level indicator in the tank
shows the "FL" symbol.
Drain the water from the reservoir.
The ambient temperature is too low or
too high.
The recommended air conditioning unit
operating temperature is 7 -
35°C (44
-
95°F).
The room temperature is lower than
the set temperature in the cooling
mode or higher than the set
temperature in the heating mode.
Change the pre-set temperature.
The ambient temperature is too low in
the dehumidification mode.
The air conditioning unit is located in a room
with a temperature above 17°C (62°F).
Low cooling
performance
The room is illuminated by direct
sunlight.
Close the curtains.
Doors or windows are open, there are
too many people in the room or there
are other heat sources in the room in
the cooling mode.
Close the doors and windows and add an
additional air conditioning unit if necessary.
Filter clogged.
Clean or replace the filter screen.
The air inlet or outlet is obstructed.
Remove obstacles.
High noise level
The air conditioning unit is not located
on a horizontal surface.
Place the air conditioning unit on a horizontal
and firm surface.
The compressor is
not working.
Overheating protection has been
triggered.
Wait 3 minutes until the temperature drops
and re-activate the air conditioning unit.
Remote control not
operating.
The distance between the air
conditioning unit and the remote
control device is too large.
Move the remote control to the air
conditioning unit and point the remote control
directly at the unit remote control receiver.
The remote control is not pointed
directly at the receiver.
Batteries are flat.
Replace the batteries.
“E1” symbol
displayed.
Abnormal value of the temperature
sensor in the piping.
Check the temperature sensor in the piping
and the relevant circuits.
“E2” symbol
displayed.
Unexpected value of a room
temperature sensor.
Check the room temperature sensor and the
related circuits.