Question about Kenmore 62622 Microwave Oven

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Kenmore microwave down-lights not working, model 721.62643200 1000W

Hello, Pleased to become a member of this forum, hope y'all can help (I'm a Texan yeehaw!) This above-counter microwave has been a solid performer for 3 years. Every other function of the oven is just fine. The lights have three settings, High/Night/Off. First one light burned out, then the other. Removal was difficult, as they were frozen in their sockets, bulb twisted off and the bases were removed gently as possible w/ needle-nosed pliers. Upon replacement, I followed the instructions, disconnected from mains, and replaced the bulbs w/ high-dollar 40w replacements from a local light-bulb specialty store. Nothing. Returned to the store and exchanged for two more, still nothing. Tried another brand from Lowe's, still no joy. The bulbs were of the correct type & wattage, 130 volt 40W appliance bulbs. I dropped the lower panel and removed the sockets. Testing the leads with my multimeter on AC volts = nada. I pried the socket contacts up to insure good contact & polished w/ pencil eraser. Obtained the same ohmage (36.5) at the exterior leads as at the bulb contacts, so that connection is good. Tested the multi-pin connector coming out the bottom that plugs into the socket leads pigtail, no AC volts. I can hear a relay clicking inside, so I am guessing that is the culprit. As this is suspended above the counter with two bolts I am guessing I will have to remove the oven to fix, a procedure I dread. I am a veteran tinkerer and feel I can fix just about anything, but I know the value of experience so here we are. Any and all ideas will be appreciated. Tony

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Re: Kenmore microwave down-lights not working, model...

This is a very common problem we repair. The main causes are when the filaments short the power supply or when a bulb is removed or installed with the oven plugged in. We repair these control panels for $32.50 nationwide. For more information about our repair service, plus our critical safety and disassembly info, see our listing here on FixYa:

Posted on Jan 31, 2007

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