Rank: Member
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Joined: 10/21/2010(UTC)
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Kenmore 665.6061200 over range microwave. Problem started a few days ago with a clicking sound from the RH side of the unit (seemingly behind the control panel), about 3 clicks per second for about 3-4 seconds, then all seemed ok. This morning the same thing but now does not heat. All else seems to work properly, lights, turntable, fan, etc. After repeated attempts it did finally work. Also, when it does not heat there is not the characteristic hum during operation.
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Rank: Advanced Member
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Joined: 8/16/2007(UTC)
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To diagnose this will require disassembly and electrical testing. Is this something you feel comfortable doing?
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Rank: Member
Groups: Registered
Joined: 10/21/2010(UTC)
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No I have no problem with that sort of thing. I am very familiar with the operation of a VOM, etc. Can this be done with the unit in place or will it gave to be removed?
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Rank: Advanced Member
Groups: Senior Expert
Joined: 8/16/2007(UTC)
Posts: 3,273
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A lot of modern OTR Microwave ovens can be serviced by opening up the control panel from the front. If you don't see a way to do that with yours, you'll have to uninstall it to service it.
The first thing to check is the integrity of the power outlet. You want it to be correctly polarized. Then you need to isolate the problem to either the control side (low voltage), or the high voltage side. Do this by disconnecting the output wires from the power transformer; select cook cycle; and see if you're getting 120VAC to the transformer. If you are, the problem is in the high voltage circuit. Before sticking your hands into the Microwave, identify the capacitor and keep clear of any of the wiring. [COLOR="Red"]The high voltage is lethal: Approach it as if you're disarming a bomb--don't do this work if you're tired or distracted.[/COLOR]
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Rank: Member
Groups: Registered
Joined: 10/21/2010(UTC)
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Thanks. There are screws on the underside of
The unit. I will see what sort of access that gives me. The clicking I hear sounds like a switch or relay cycling.
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Rank: Advanced Member
Groups: Senior Expert
Joined: 8/16/2007(UTC)
Posts: 3,273
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Let us know what you find.
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Rank: Member
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Joined: 7/3/2012(UTC)
Posts: 1
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Same problem. Pulled panel. Checked fuse. Microwave seems to be working, but has an annoying clicking sound the first few seconds. Definitely coming from electronic control panel. Any thoughts. k
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