Trouble Shooting - Prem-I-Air PMINISW8W User Manual

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