Troubleshooting by Remote Controller Si20-701_B
459
3.110 Check
Check for Fan Motor Connector (Signal Line)
(1) Turn the power supply OFF.
For except FBQ
(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.
For FBQ
(2) With the fan motor connector disconnected, measure
the resistance between each pin, then make sure that
the resistance is balanced in ±30%.
CHECK 1
1 White
2 Orange
3 Brown
4 Blue
5
6
7 Red
GND
Measurement
point
1 - 4
2 - 4
3 - 4
4 - 7
Judgement
1MΩ or more
100kΩ or more
100Ω or more
100kΩ or more
5 Gray
4 Pink
3 Orange
2 Blue
1 Yellow
GND
Vcc
Hw
HV
HU
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