ESIE15-13C Troubleshooting by Remote Controller
Service Diagnosis 191
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 ∞
2 - 4 AVG 20MΩ
3 - 4 AVG 60kΩ
4 - 7 ∞
2 - 7 ∞
NIDEC KFD325
1 White
2 Orange
3 Brown
4 Blue
5
6
7 Red
GND
Measurement point Judgement
1 - 5
40~50Ω
3 - 5
2 - 6
4 - 6
1 Orange
2 Red
3 Yellow
4 Black
5 Gray
6 White
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