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Page 14 of 16
TROUBLESHOOTING
Do not repair or disassemble the unit by yourself, unauthorized repair attempts will invalidate
the warranty and may cause bodily harm.
Problem
Reason
Solution
The unit does
not work
No power supply
Power-on and turn on the unit.
Water-full indicator illuminated
Drain the internal water tank
Timer function is active
Cancel Timer function
Room temperature too low or too
high
Use only in ambient temperatures
between 7-35℃
The unit does
not seem to
perform.
In direct sunlight
Draw the curtains, UV affects RC
Windows or doors open.
Large amount of people or a
heat source in the room.
Close windows and turn on another air
conditioner
Filter is very dirty
Clean or change the air filter
Air inlet or air outlet is blocked
Clear out debris
Room temperature is lower than
setting temperature
Change the setting temperature
The unit is 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
Control panel has not received
the signal from remote control.
The batteries are flat
Replace the batteries
E1 on LCD
Coil temperature is abnormal
Refer to Service Centre
(check coil temperature sensor or
relevant
circuit)
E2 on LCD
Room temperature is abnormal
Temperature not within 17-35℃
operating range. If temperature within
operating range refer to
Service Centre (check room
temperature sensor or relevant circuit)
E4 on LCD
Anti-freeze protection
Waiting for defrosting.
Function will recover automatically. No
user input needed.
FL on LCD
Water tank is full inside the
machine
Drain out water from drain port at
bottom rear of the unit.
If the above solutions do not resolve the problem please contact the service centre.
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