Alliance Laundry Systems CABINET HARDMOUNT UC125VNV Service Manual download pdf (Page 36)

34 F232203

Troubleshooting

7. No Motor Function (FWD or REV)

No Motor Function (FWD or REV)

With the machine running, the water

valves on and the machine holding

water (i.e., filling up), the basket has

no wash function (i.e., FWD or REV).

YES

Is there voltage

(120 Volts AC) across

the coil of the KM3 and

the KM4 contactors?

Is there voltage

(120 Volts AC)

between wire FWD on the

output board and the ACN?

Is there voltage (120 Volts AC)

between wire REV on the

output board and

the ACN?

Is there voltage

(120 Volts AC)

between the input side of

the FWD fuse and the ACN?

Is there voltage (120 Volts AC)

between the input side

of the REV fuse and

the ACN?

YES

Replace the output board.

YES

Is there voltage

(120 Volts AC) between the

output side of the FWD fuse and

the ACN?

Is there voltage (120 Volts AC)

between the output side

of the REV fuse and

the ACN?

Replace the FWD and/or

the REV fuse as needed.

Inspect the motor.

Repair/replace the motor

as needed.

YES

Inspect the contactors'

wiring connections.

CHM400S

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Alliance Laundry Systems CABINET HARDMOUNT UC125VNV Service Manual Page 36

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