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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
The air
conditioner
does not work.
The cooling
effect is not
good
Loud Noise
Compressor
does not work.
The remote
control does
not work.
Displays 'E1'.
Displays 'E2'
Display shows
"FL"
Others
If problems not listed in the table occur or recommended solutions do not work, please contact the
service centre.
Reasons
There is no electricity.
FULL light is illuminated
The ambient temperature is too low
or too high
In cooling mode, the room
temperature is lower than the set
temperature; in heating mode, the
room temperature is higher than the
set temperature.
In dehumidification mode, the
ambient temperature is low.
There is direct sunlight.
Doors or windows are open; there
are a lot of people; or in cooling
mode, there are other sources of
heat (e.g. fridges)
The filter screen is dirty.
The air inlet or outlet is blocked.
The air conditioning is not placed on
a flat surface.
Overheat protection starts.
The distance between the machine
and the remote control is too far.
The remote control is not aligned
with the direction of the remote
control receiver.
Batteries are dead.
The pipe temperature sensor is
abnormal.
The room temperature sensor is
abnormal.
Water tank is full inside the machine
No refrigerant or there is very little
refrigerant
Anti-freezing protection
High pressure protection
Solutions
Turn it on after connecting it to a socket with
electricity.
Discharge the water inside.
Only use to use the machine within
temperature range of 7-35
Change the set temperature.
The machine is placed in a room with an
ambient temperature of greater than 17
).
(62
Use curtains to reduce the heat from the
sun.
Close doors and windows; increase air
conditioning power
Clean or replace the filter screen.
Clear obstructions; make sure venting is
correct as described in this user manual and
hose is not bent
Put the air conditioning on a flat and hard
place (to reduce noise).
Wait for 3 minutes until the temperature is
lowered, and then restart the machine.
Let the remote control get close to the air
conditioning, and make sure that the remote
control directly faces to the direction of the
remote-control receiver.
Replace batteries.
Clean filters and restart. Refer to service
centre if issue still persist.
Clean filters and restart. Refer to service
centre if issue still persist.
Drain out water from drain port at bottom rear of
the unit.
Refer to Service Centre (check leakage,
wielding, vacuum pump, charge refrigerant
according to name plate)
Waiting for defrosting.
Function will recover automatically. No user
input needed.
After inside gas pressure comes down, it will
function normally. No user input needed
Page 12 of 14
(44-95 ).
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