Service Manual
22
8.2.3
Only outdoor unit does not work:
8.2.4
Only indoor unit does not work.
8.3 Some parts of the air conditioner do not work
8.3.1
Only indoor fan does not work.
8.3.2
Only louver motor does not run.
8.3.3
Only outdoor fan motor dos not run.
Check the set
temperature
.
1. The set temperature is too
high for cooling operation.
2. It is too low for heating
operation.
Adjust the set
temperature.
Measure the voltage between
terminal No.1 and No.2 on the
terminal block (220V
±
10%)
PCB Ass’ y of indoor unit is defective.
Outdoor unit
is defective.
Yes
Ok
No voltage indication.
Indoor PCB Ass’ y is defective.
Measure the resistance of the louver motor coil.
Check the connector.
Check the fan rotation
Check if foreign matter is in
the fan cover.
Check if fan motor is broken
or foreign matter in bearing.
Measure the resistance of motor coil.
Check the capacitor of fan motor.
Ok
Ok
Not rotate