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Kenmore microwave MOD: 665.61684100 As soon as you push the start button it trips the breaker. What are the possible problems that could cause this?

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  • fixitSoAR Feb 02, 2010

    Thank you for your post. We will try the door switches and/or aligning of the door.

  • fixitSoAR Feb 02, 2010

    We will try to replace the door switches or align the door.

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6 Suggested Answers

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Posted on Jan 02, 2017

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MicrowaveSvc
  • 9047 Answers

SOURCE: Microwave blows fuse

The most common suspects are the high voltage transformer and the magnetron. It's also possible you have a flaky door switch or loose door switch mount. If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info (as well as a text file which helps in diagnosing and repairing door switch problems) at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk You can find helpful exploded view diagrams and order parts by entering your model number here: http://tinyurl.com/gv383

Posted on Jun 08, 2007

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MicrowaveSvc
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SOURCE: Sharp R-1450 Microwave Oven

The most common suspect here is a shorted high voltage capacitor, since you say it blew the fuse right after Start, but I would certainly suggest checking the door switches and door switch mounts first. Just be sure you installed the right fuse. It would be a The switch mounts seem to break at about this point in the life of these models. If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info (as well as a text file which helps in diagnosing and repairing door switch problems) at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk You can find helpful exploded view diagrams and order parts by entering your model number here: http://www3.sears.com (the three is correct)

Posted on Jun 08, 2007

IFIXALL
  • 868 Answers

SOURCE: Sears Kenmore Microwave Touchpad

Replace the touch pad .Costs around $49.00 -up.
PLEASE LEAVE A RATING !!

Posted on Jun 09, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: Whirlpool AVM 230 Microwave short circuit

If the fuse or breaker blew again, you probably have a shorted high voltage capacitor. If not, then you may have a shorted high voltage rectifier diode.

Here are some links you or someone you know can use (in order given) for test help, but read the safety warnings first:

http://www.gallawa.com/microtech/cap_test.html
http://www.gallawa.com/microtech/diode.html
http://www.gallawa.com/microtech/mag_test.html
http://www.gallawa.com/microtech/xformer.html

You can usually find helpful exploded view diagrams and order parts by entering your full model number here.

There should also be a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting & testing.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Posted on Sep 16, 2008

Gort007
  • 1187 Answers

SOURCE: microwave trips circuit breaker when plugged in

The circuit is probably a 20Amp circuit (see the number stamped on the circuit breaker switch). Most likely, it is the same circuit as the refrigerator, crock pot, window A/C unit, etc....

Also, if you are using an extension cord or a power strip or a surge protector. Those may not have a high enough power rating.

One other possibility (not likely) is that the circuit breaker is a 15Amp and the microwave is 1500 watts.

What else is cut off when the circuit breaker is tripped?

Solution is to use a different outlet for the microwave, or turn off any other applicance in the same circuit (except the refrigerator, of course).

Hope this helps!

Posted on Sep 16, 2009

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1 Answer

We have a kenmore microwave oven & keeps tripping our breaker switch. Its not even a year old. What is the problem?


Your microwave should be on a 20 amp dedicated circuit. Often people add these later after initial construction and do not have an isolated circuit for it. If you have this on a circuit with other outlets or possibly the refrigerator, this can cause the circuit overload and trip your breaker. Try running an extension cord from another circuit that is not being used such as outlets, but not GFI outlets! and see if your microwave operates then. If not you have an internal issue with the microwave and it could be a defective Magnetron or doorswitch assy causing the problem.

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The circuit breakers may both be functioning properly. What might be happening is that both circuits have other current drawing appliances on them. The circuit breakers react to the sum of all of the currents drawn by all of the devices on that circuit. So, if you have a 15 amp microwave and an 8 amp refrigerator on the same circuit, you would overload a 20 amp circuit by 3 amps.

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If the breaker is an earth leakage type, it is possibly an earth leak problem which could be caused by insulation breakdown on the heater inside the microwave.
I would consult an aporved electrician for advice.

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Pushing the start button trips the breaker. All functions seems to work, fan, clock etc but it just started as soon as you push start it trips the breaker. Control panel/board seems fine no burn marks.


http://www2.panasonic.com/consumer-electronics/support/Home-Appliances/Microwave-Ovens/Genius/Prestige/model.NN-P295SF
In all likelihood the mangnetron has failed, or perhaps even the Power Supply. or a fault that is shutting the system down for safety reasons You need to have it serviced by a reputable service centre/man. Ensure you get a firm "Quote" before proceeding, and remember these days the cost of repair can equal or exceed the price of a new one.
Service manual below, troubleshoot with that. http://www.eserviceinfo.com/downloadsm/5734/PANASONIC_NN-K652.html

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I pluged the microwave in it was working and when I pushed it back and when I looked at it it waqs not working any moren mdl # is 87449 kenmore counter top microwave


Check the outlet it is plugged into. Remove the microwave plug. If you don't have a voltage meter handly to test the voltage at the outlet or the continuity of the microwave plug, I would suggest you plug in a lamp from your living room into the outlet. If it doesn't work, either the outlet is a tripped (GFIC) Ground Fault Interuption Circuit outlet or the circuit breaker tripped in your electrical panel box or the microwave cord is damaged and caused a short and blew the fuse. To check these I would try plugging the light in and press the red reset button located on the wall outlet or flip tripped circuit breaker in panel. If it's a damaged cord or fuse, you can visit this web site for Sears parts www.searspartsdirect.com If you found any of these suggestions helpful, please rate my solutions. Thanks D. Lange

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try pluging it in on another outlet with an extension cord must be a diffent cerciut breaker if it happens again the microwave has a short. if not its that breaker or outlet.

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Make sure it is plugged into a 20 amp circuit. If it is in a kitchen it should be a 20amp breaker if it trips a 20 amp breaker it needs to be replaced. If it is a new house and you plug it in in the kitchen and it trips a 15 amp breaker then the house does not meet code. ref Article 210.52(B)(1) NEC

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The most common suspects are the high voltage transformer and the magnetron. It's also possible you have a flaky door switch or loose door switch mount. If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info (as well as a text file which helps in diagnosing and repairing door switch problems) at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk You can find helpful exploded view diagrams and order parts by entering your model number here: http://tinyurl.com/gv383

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