Troubleshooting by Remote Controller
SiBE281013
172
Service Diagnosis
Fan Motor Signal Line
(1) Turn the power supply off.
(2) With the fan motor connector disconnected, measure the resistance between each pin, then make sure
that the resistance is more than the value mentioned in the following table.
Electronic expansion valve connector and coil resistance criteria
Measurement point
Judgement
1 - 4
1M
Ω
or more
2 - 4
100k
Ω
or more
3 - 4
100
Ω
or more
4 - 7
100k
Ω
or more
CHECK 6
1 White
2 Orange
3 Brown
4 Blue
5
6
7 Red
GND
CHECK 7
Measurement point
Judgement
1 - 5
40~50
Ω
3 - 5
2 - 6
4 - 6
1 Orange
2 Red
3 Yellow
4 Black
5 Gray
6 White
