8.2 Fan Motor Check
1. Turn off outdoor unit and disconnect power supply
2. Disconnect outdoor fan motor power cord from outdoor PCB
3. Measure the resistance value between each windings.
The normal value of different motor show as follows:
Model
YKFG-13-4-38L
YKFG-13-4-38L-4
YKFG-15-4-28-1 YKFG-20-4-10L YKFG-20-4-5-11
Brand Welling Welling Welling Welling
Black – Red Main 345Ω 75Ω 269Ω 388Ω
Blue – Black AUX 348Ω 150Ω 224Ω 360Ω
Model YKFG-20-4-5-19 YKFG-25-4-6-14
YKFG-28-4-3-7
YKFG-28-4-3-14
YKFG-28-4-6-5
Brand Welling Welling Welling Welling
Black – Red Main 444Ω 287Ω 231Ω 183.6Ω
Blue – Black AUX 470Ω 409Ω 414Ω 206Ω
Model YKFG-45-4-13
YKFG-45-4-22
YKFG-45-4-22-13
YKFG-60-4-1 YKFG-60-4-2-6
Brand Dongfang Welling Welling Welling
Black – Red Main 125.2Ω 168Ω 68Ω 96Ω
Blue – Black AUX 83.8Ω 141Ω 53Ω 96Ω
Troubleshooting 25
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