Page 12 of 14
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 overflow indicator displays "FL".
Discharge the water inside.
The ambient temperature is too low or
too high
Only use to use the machine within
temperature range of 7-35
⁰C
(44-95
⁰F
).
In cooling mode, the room temperature
is lower than the set temperature
Change the desired temperature.
In dry mode, the ambient temperature is
low.
The machine is placed in a room with an
ambient temperature of greater than 17
⁰C
.
(62
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.
Displays 'E1'.
The pipe temperature sensor is
abnormal.
Clean filters and restart. Refer to service centre
if issue still persist.
Displays 'E2'
The room temperature sensor is
abnormal.
Clean filters and restart. Refer to service centre
if issue still persist.
Main LED light
flashing
Water tank is full inside the machine
Drain out water from drain port at bottom rear of
the unit.
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.