*1): Perform electrical discharge when replacing or checking inverter parts by referring to the item 13.
4
.
Restart operation.
Does it trip soon?
Is the heat exchanger of
outdoor unit clogged?
No
Replace the PCB2. *1)
Remove clogging.
Yes
Yes
No
Check the thermistor.
Normal
Faulty
Replace the thermistor.
Replace the PCB2. *1)
Check the thermistor.
Normal
Faulty
Replace the thermistor.
ϥ
“RUN” light is flashing and “ALARM” are indicated on the remote control switch.
The unit No., alarm code and the unit code are alternately indicated on the set temperature
section, and the unit No. and alarm code are indicated on the outdoor unit PCB1.
★
In case that the abnormality of inverter fin temperature occurs three times within 30 minutes, this alarm
is indicated at the third time.
(Retry operation is performed up to second time of abnormality occurrence.)
Conditions of Activation: This alarm is indicated when the temperature of the inverter fin thermistor for
Transistor Module is higher than 90
o
C.
Alarm
Code
Abnormality of Inverter Fin Temperature
PCB1: Control PCB in Outdoor Unit
PCB2: Inverter PCB
235
