Fisher FSAI-Pro-91AE2 Service Manual page 53

Index 1:
1. Indoor AC Fan Motor
Measure the resistance value of each winding by using the tester.
2.Outdoor or indoor DC Fan Motor (control chip is in fan motor)
Measure the resistance value of each winding by using the tester. If any resistance value is zero, the
fan motor must have problems and need to be replaced.
3. Outdoor or indoor DC Fan Motor (control chip is in on PCB)
For WZDK36-38G-W, WZDK40-38G-W-1 :
1) Release the UVW connector. Measure the resistance of U-V, U-W, V-W. If the resistance is not
equal to each other, the fan motor must has problems and need to be replaced. Otherwise, go to
step 2.
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