Maytag RFS12MPS Service Manual download pdf (Page 30)

Troubleshooting

Trouble 3: Display shows all          

TART

CONDITION CHECK RESULT CAUSE REMEDY

1.Setting time

does not count

down when

touching START

pad.

2. Blower motor

or oven lamp

do not turn on.

No continuity.

Continuity.

Continuity

No continuity

Check the con-

nection between

CN1 connector

and PCB

assembly.

Defective

secondary switch.

Replace

secondary switch.

Defective PCB

assembly.

Replace PCB

assembly.

Check continuity

of secondary

switch (with

door closed).

Check blower

motor.

Check oven lamp.

Abnormal.

Normal.

Defective blower

motor.

Defective oven lamp.

Replace blower

motor.

Replace oven lamp.

Loose connection.

Connect them

tightly.

CONDITION CHECK RESULT CAUSE REMEDY

Output is low.

Lower than 90% of

rating voltage.

Normal.

Abnormal.

Measure the

output power.

Decrease in power

source voltage

with load.

Suggest customer

contact local

electric power

utility co. or

electrician.

Check the

power source

voltage.

Defective

magnetron.

Replace

magnetron.

Trouble 4:

2011 RFS Training Manual.indd 28 10/3/2011 8:36:48 AM

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Maytag RFS12MPS Service Manual Page 30

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