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MASTER-TECH, Home Appliance Technician
Category: Appliance
Satisfied Customers: 345
Experience:  30 years in the trade, lead tech in large company, always training on the newest technology
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Whirlpool MH1150XMQ-0 Microwave Works great the first time

Resolved Question:

Whirlpool MH1150XMQ-0 Microwave: Works great the first time you use it, try a second time and there is no to little heat. After a half an hour to an hour the microwave works again. What could this be?
Submitted: 7 years ago.
Category: Appliance
Expert:  MASTER-TECH replied 7 years ago.

You will have an air flow problem(not cooling the magnatron) or the magnatron is going bad. It can be dangerous working inside a microwave because the capacitor can hold 4000 volts when unplugged. If you do not hear a fan when it is to be running that would be the place to start. If the unit is over 5-years old the mag in no longer under a warranty and will cost more than $300 to repair. You can replace the unit starting at this price. If you do think it is mag and it is still under warranty call(NNN) NNN-NNNNfor a servicer in your area.

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