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Tightline  
#1 Posted : Monday, April 2, 2012 9:48:34 AM(UTC)
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Tightline

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Joined: 4/2/2012(UTC)
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My Frigidaire built-in microwave suddenly stopped working. The timer begins to count down, and the light lights, but nothing else is working. Ideas??
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Simon / APP Team  
#2 Posted : Monday, April 2, 2012 10:24:15 AM(UTC)
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Simon / APP Team

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Hi.

Most likely the problem is with monitor switches (switch).
Unplug the oven, remove control panel and on the left side locate 3 switches.

The primary and secondary monitor switches has two wires each. You may have bad switch or burned connector. In any cases replace both.

Run the continuity test. With one wire off:
Door closed - continuity, door open - no continuity.

Replace bad switch.

The interlock switch Part number: AP3769802
Part number: AP3769802


Here are the breakdown diagrams and Replacement parts for Frigidaire FMV156DCC Frigidaire/microwave | AppliancePartsPros.com

Thank you. Post the results.

Simon.
Tightline  
#3 Posted : Monday, April 2, 2012 3:49:18 PM(UTC)
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Tightline

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OK. I tested both switches. Got continuity in both of them. Now what?
Simon / APP Team  
#4 Posted : Monday, April 2, 2012 5:56:18 PM(UTC)
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Simon / APP Team

Rank: Advanced Member

Groups: APP Team
Joined: 2/12/2012(UTC)
Posts: 5,556

Hi.

Did you removed the switches for testing? You suppose to check them in the place and actually open and close the door.
What tab is broken?

Please reply.

Simon.
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