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Troubleshooting
Do not repair or disassemble the unit by yourself, unauthorized repair attempts will invalidate the
warranty and may cause bodily harm.
The unit does not
work
No power supply Power-on and turn on the unit.
full indicator illuminate
Room temperature too low or too
The unit does not
seem to perform.
In direct sunlight Draw the curtains, UV affects RC
Large amount of people or a heat
source in the room.
Close windows and turn on another air
conditioner
Clean or change the air filter
Air inlet or air outlet is blocked
Room temperature is lower than
setting temperature
Change the setting temperature
The unit loud The unit is not put on flat surface Put the unit on flat and hard surface
Compressor does
not work
Overheating protection is active
Check venting.
Restart the unit after 5 minutes when
compressor has cooled
Remote control
doesn’t work
Operating distance is too far.
Move remote control closer to the unit and make
sure it aims at the air-outlet grille
signal from remote control.
Coil temperature is abnormal
(check coil temperature sensor or relevant
circuit)
Room temperature is abnormal
temperature within operating range refer to
Service Centre (check room temperature sensor
or relevant circuit)
E3 on LCD
No refrigerant or there is very little
refrigerant
Refer to Service Centre (c
vacuum pump, charge refrigerant according to
name plate)
Function will recover automatically. No user input
needed.
Water tank is full inside the machine
Drain out water from drain port at bottom rear of
the unit.
F1 on LCD High pressure protection
After inside gas pressure comes down, it will
function normally. No user input needed
If the above solutions do not resolve the problem please contact the service centre.
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