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Home » Appliance Repair Help » Microwave Repair Help

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Whirlpool Microwave Overheating

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Reference Model: WMH53520CS-0

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Problem: Microwave overheating after 2 or 3 minutes of running.

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Diagnosis: The thermal cut off mounted to the magnetron may be breaking the circuit. If this is the case, one of the following issues may be the cause for malfunction:

- The magnetron cooling fan is running slowly or not at all

- The exhaust vent or magnetron cooling fan opening is blocked

- The magnetron is running hot and needs replacement

- The magnetron thermal cut off is faulty

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Some microwave parts for our reference model#

Magnetron

Item Number W10818686

High limit safety thermostat

Item Number W10598693

Door switch, three terminal

Item Number W10727360

Microwave line fuse 20A 250V

Item Number W10138793

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Whirlpool Microwave Repair and Maintenance Parts

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Related Links:

1. Citrine white microwave oven liner touch-up
2. Stainless Steel Cleaning
3. Microwave light bulb, small base, 40-watt

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