GE Industrial Solutions AF-600 FP High Power (460V_575V 150HP and above) - Manual (Page 83)

Ohm test of fans
1. Measure between terminals 11 and 13 of power card connector MK107. A reading of 20 ohms should be indicated.
2. On IP21 and IP 54 units: Disconnect the spade connectors from the door fan and repeat the measurement. A reading of 21 ohms should be indicated.
3. On IP21 and IP 54 units: Read the door fan terminals with the wires disconnected. A reading of 400 ohms should be indicated.
4. Reconnect the wires to the door fan.
Incorrect reading
An incorrect reading of one or both of the fans indicates a defective fan. Replace the defective fan.
130BX80.10
1 2 3
Illustration 6.10: Fan Transformer and Fuse Location
380–480V: White label on fan transformer.
525–690V: Orange label on fan transformer.
1 Fan transformer 3 Fan fuse
2 CN2
AF-650 GP and AF-600 FP High Power Service Manual
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