Amana LD510D Service Manual download pdf (Page 16)

16 16022150 Rev. 0 ©2003 Maytag Appliances Company

Trouble 5: No microwave oscillation even when oven light and fan motor operate.

Troubleshooting Procedures (Electronic Models)

No microwave

oscillation.

Disconnect wire

leads from relay

RY2 and verify

continuity of the

relay.

No

Continuity

Failed

controller.

Replace

controller.

Continuity

Check high

voltage

transformer.

Abnormal

Normal

Failed high

voltage

transformer.

Replace high

voltage

transformer.

Check high

voltage capacitor.

Abnormal

Normal

Failed high

voltage

capacitor.

Replace high

voltage capacitor.

Check high voltage

diode.

Abnormal

Normal

Failed high

voltage

diode.

Replace high

voltage diode.

Operates at

full power

when

programmed

for lower

power.

Abnormal

Failed

controller.

Replace

controller.

Check magnetron.

Abnormal Failed

magnetron.

Replace

magnetron.

Disconnect wire

leads from relay

RY2 and verify

continuity of the

relay.

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