25
K. TROUBLE SHOOTING
Please check the following items before asking for repairing:
PROBLEMS CAUSES
SUGGEST
SOLUTIONS
The unit does not work
Power supply fault:
1. Not plugged in;
2. Faulty plug or socket;
3. Fuse broken
1. Plug in correctly;
2. Change the plug or socket;
3. Replace fuse
The unit stops running
automatically
Timer is set or room
temperature is lower than
set temperature.
Close the timer or reset temp.
In cooling mode, no cooling
air coming out
1. Room temperature is
lower than set temperature.
2. There is frost on the
surface of evaporator.
1. This is normal.
2. The unit is defrosting and it
will run when the defrosting is
finished.
The remote control does
not work
1. Exhausted batteries
2. Batteries incorrectly
installed.
1. Change the batteries.
2. Re-install the batteries
correctly
The unit does not work for
3 minutes when switched
on.
Protection of the unit.
Wait for approx.3 minutes and
the unit will start.
Error code “E2” in VFD
display
Failure of the indoor sensor.
Change the indoor
temperature sensor
Error code “E3” in VFD
display
Protection of cooling mode
Error code “E4” in VFD
display
Failure of the indoor coil
sensor.
Change the indoor coil sensor
Error code “E5” in VFD
display
Failure of the upper fan
motor
Error code “E6” in VFD
display
Failure of the system
Check if the refrigerant leaking
or missing.
Error code “E7” in VFD
display
Protection of heating mode
Error codes are for information only. Advise your local service agent as
appropriate.