User Manual

Page 13 of 15
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
conditioning
does not work.
There is no electricity.
Turn it on after connecting it to a socket
with electricity.
The tank full indicator is
illuminated.
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 (44-95).
In cooling mode, the room
temperature is lower than the set
temperature; in heating mode, the
room temperature is higher than
the set temperature.
Change the set temperature.
In dehumidification mode, the
ambient temperature is low.
The machine is placed in a room with an
ambient temperature of greater than
17 . (62 ).
The cooling or
heating effect
is not good
There is direct sunlight.
Use curtains to reduce heat from the sun
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
conditioning, and make sure that the
remote control directly faces to the
direction of the remote-control receiver.
The remote control is not aligned
with the direction of the remote
control 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.
If problems not listed in the table occur or recommended solutions do not work, please contact the
service centre.