49
49
Trial Operation
If fan motor runs
If the other indoors
begin to run
Wiring between
indoor and wired
controller is wrong
If indoor fan motor is
with AC 220V voltage
If indoor motor winding
resistor is normal
Wiring of indoor PCB is damaged or the port is
not inserted well
Check the power source
voltage
Remove the fan motor
wiring
Indoor motor abnormal
Indoor fan capacitor abnormal
1. Filter clogged
2. Indoor heat exchanger
clogged
Wiring between indoors
and wired controller is
wrong
If voltage among
B, C on wired
controller is AC 15V
If voltage
between B and C
on indoor terminal
block is 15V
1. Indoor PCB abnormal
2. Wiring of indoor PCB
is damaged or the port
is not inserted well
Fan capacitor abnormal
If fan motor
rotation direction
is correct
If the indoor
motor runs
1. Indoor PCB abnormal
2. Wiring of indoor PCB is damaged or the port is not
inserted well
If capacitor
capacity is proper
In heating mode, fan
motor not run and "PRE
HEAT" "DEFROST" on
LCD of wired controller
will be light.
1. In pre-heating startup
2. In refrigerant oil return
control of heating mode
3. In feating defrosting
4. TC2 sensor resistor
wrong
※
3
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes