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12
TROUBLESHOOTING
Do not repair or disassemble the air conditioning. Unqualified repair will invalidate the warranty and may lead to failure, causing
injuries and property damage. Only use it as directed in this user manual and only perform operations advised here.
Problems
Reasons
Solutions
The air
conditioner does
not work.
There is no electricity.
Turn it on after connecting it to a socket with
electricity.
The display shows "E4".
Discharge the water inside.
The ambient temperature is too low or
too high
Only use to use the machine within temperature
range of 7-35⁰C (44-95⁰F).
In cooling mode, the room temperature is
lower than the desired temperature
Change the desired temperature.
In dry mode, the ambient temperature is
low.
The ambient temperature must be above 16 ⁰C.
(60 ⁰F).
The cooling
effect is not good
There is direct sunlight.
Use curtains to reduce the direct sun heat
Doors or windows are open; there are a
lot of people; or in cooling mode, there
are other sources of heat (e.g. fridges)
Close doors and windows; increase air
conditioning power
The filter screen is dirty.
Clean or replace the filter screen.
The air inlet or outlet is blocked.
Clear obstructions; make sure venting is correct as
described in this user manual and hose is not bent
Loud Noise
The air conditioning is not placed on a flat
surface.
Put the air conditioning on a flat and hard place
(to reduce noise).
Compressor does
not work.
Overheat protection starts.
Wait for 3 minutes until the temperature is
lowered, and then restart the machine.
The remote
control does not
work.
The distance between the machine and
the remote control is too far.
Let the remote control get close to the air
conditioner, and make sure that the remote
control directly faces the receiver.
The remote control is not aligned with
the receiver.
Batteries are dead.
Replace batteries.
Others
No refrigerant or there is very little
refrigerant
Refer to Service Centre (check leakage, wielding,
vacuum pump, charge refrigerant according to
name plate)
Anti-freezing protection
Waiting for defrosting.
Function will recover automatically. No user input
needed.
High pressure protection
After inside gas pressure comes down, it will
function normally. No user input needed
If problems not listed in the table occur or recommended solutions do not work, please contact the service
centre.
ERROR CODES
CODE
CAUSE
SOLUTION
dH
Unit in dry mode
Not a fault, no action required.
E2
Room temperature sensor error
Room temperature is outside the operational range.
Do not operate until the room is within the range
required.
E4
Water full alarm
Empty the water tank
MODE
LIGHT
FLASHING
Cool / dry mode, the compressor has not
started, the mode light will flash. This is
normal
The unit will start operation when the protection
period has finished ( approx. 3 minutes)
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