SiUS30-1301
Troubleshooting by Indication on the Remote Controller
Service Diagnosis
157
Note:
1. If any junction connector is provided between the connector (X20A) on the indoor unit PCB and
the fan motor, also check whether or not the junction connector is properly connected.
2. Check on connector of fan motor (Power supply cable)
Turn OFF the power supply.
Measure the resistance between phases of U, V, W at the motor side connectors (3-core wire)
to check that the values are balanced and there is no short circuiting, while connector or relay
connector is disconnected.
3. Check on connector of fan motor is not available for below models.
FXFQ09~48PVJU, FXAQ07~24PVJU
Measuring Points
Black-Red
Black-White
Judgement
53.5
Ω
±10
%
31.6
Ω
±10
%
<FXHQ24·36MVJU>
White
Black
Red
Measuring Points
Black-Red
Black-White
Judgement
71.0
Ω
±10
%
73.5
Ω
±10
%
<FXHQ12PMVJU>