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Over the oven microwave stopped working

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My Samsung microwave just died. Has worked well for over a year and a half, but after heating something for

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  #1 (permalink)  
Old 02-15-2013, 08:44 AM
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Default Over the oven microwave stopped working
Model Number: SMH1816S   Brand: Samsung   Age: 1 - 5 years   

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My Samsung microwave just died. Has worked well for over a year and a half, but after heating something for 6 minutes, the microwaved beep as it should when the cook time was up, and then lights out. No interior light, control panel, nothing. Check AC outlet, all okay, Pulled the unit off the wall, opened and both ceramic fuses were good. Does anyone have any idea what else I can check?


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  #2 (permalink)  
Old 02-15-2013, 01:23 PM
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Default

Hi.

I'm having a problem finding the wiring diagram for this model,so lets use the common sense.
There are several thermostats in the microwave, check which one is open and bypass it to test. Start with one on the side of the magnetron.

Post the results.

Simon.
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  #3 (permalink)  
Old 02-16-2013, 10:01 AM
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Default Magnetron thermostat

Quote:
Originally Posted by Simon / APP Team View Post
Hi.

I'm having a problem finding the wiring diagram for this model,so lets use the common sense.
There are several thermostats in the microwave, check which one is open and bypass it to test. Start with one on the side of the magnetron.

Post the results.

Simon.

Simon,

Thanks for your suggestion. The thermostat over the magnetron is open and one of the connectors is burnt up a bit. I only had a paper clip to jump the wires and the microwave works and heated some water, however the paper clip turned red as a toaster filament so I shut it down. Should I just replace the thermostat or could there be another problem?

Paul
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Old 02-18-2013, 11:08 AM
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Hi.

The paper clip as a jumper...
This thermostat opens when the magnetron overheats. If it burned that usually means that the magnetron is overheating.
Why? Could be a defective magnetron or insufficient air flow through it.

Simon.
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