Question about Hotpoint Microwave Ovens

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Hotpoint Microwave Model RVM1435BD 001- microwave comes on when I open the door.

Microwave has worked well for many years. Suddenly, when I am finished cooking something and the unit powers off, when I open the door the unit starts operating again. Dangerous to say the least. I have to unplug the unit in order to get anything out of the oven without the microwave turning on and cooking my hand. Suggestions?

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  • 228 Answers

Many microwaves have similar issues. Usually, (not always) only the light is on and the fan is running, not the section that produces the microwaves. This problem can be caused by the door switches that are out of alignment or a defective control board.

Posted on Nov 15, 2017

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 2 Answers

SOURCE: Over the range microwave

I have the R-1460 in the same series with the identical symptoms. After reading MicrowaveSvc's solution I started taking apart to view the door switches and found the upper door switch to be the problem, but not a switch failure a support failure. A small bottom plastic support post that holds the switch in place was broken (probably from repeated use/abuse) allowing the switch to move when the door hooks were engaged, thus not actuating the button switch. Since the problem was mechanical rather than an electrical bad switch, I made a small support arm for the switch from an old plastic mechanical pencil and glued it in place to hold the switch in its correct position. Problem solved, microwave works! Thanks to MicrowaveSvc's description of door switches.

Posted on May 26, 2007

  • 833 Answers

SOURCE: microwave ovens

The cover is probably the magenetron. That is where the microwaves come from. If the bread was moist, it might have left condensate in the unit which is causing the sparking. Unplug the unit, leave the door open over night. If you can remove that cover, do so. Be sure to carefully replace it before using the unit. Never turn on a microwave with nothing in it.

Posted on Dec 17, 2007

  • 1 Answer

SOURCE: MICROWAVE MALFUNCTION

no never heard the cooling fan kick on after it shuts down, no power at all.

Posted on Mar 05, 2008

MicrowaveSvc
  • 9173 Answers

SOURCE: GE Sensor Microwave Oven (Model

You can download your owner's manual free here

We're happy to help and we appreciate your thoughtful rating of our answer.

Posted on Jun 23, 2008

  • 1214 Answers

SOURCE: Panasonic Microwave oven - cooking operation stops afer 2 seconds

Sounds like a short in the microwave circuit. One or more of the following four components has failed -

Transformer
Magnetron
Diode
Capacitor

Repair is not for the amateur, unless you know how to take things apart, and put them back together EXACTLY as the were found.

Parts are available on the Net, and you can get the P/N's off the old components to identify suppliers of the new ones.

Don't try and measure resistance of the diode. It's impedance is far too high to get a good reading. They're cheap anyway. Always replace the capacitor, they're cheap too. No way to test the magnetron, and the transformer is not easy to test either.

Posted on Jan 16, 2009

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Kenmore microwave model 970-86133-001 is 4Y old and suddenly stopped heating


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Turns on when door opened


There is an power interlock inside the oven that breaks the power connection to the magnetron when the door is open. Most likely, something is stopping the switch from opening.

Check for a small plastic probe on the door that may have broken off inside the oven keeping the circuit made. Otherwise, open the oven and see is some foreign object is keeping the connection made or if the interlock needs to be cleaned out so it can function.

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Replace. Microwaves are cheap.

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Microwave light and fan goes off until door is slapped.


This seems to be a defective door/interlock switch. There is a minimum of three interlock switches inside the oven that operate by the catches on the door. By opening the door or slapping it you are causing the to make connection.

Jun 07, 2010 | Hotpoint RVM1435 Microwave Oven

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Microwave has power turn table works won't heat hotpoint model rvm1435bd 001


Check your door satey interlock switches.

If these switches fail (do you open the door while the machine is cooking?), the microwave doesnt know the door is shut and will not turn on the magnatron.

If you need more help, let me know.

a

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Cajun1112, We would like to inquire further about your post with you. Please respond back to this email address Whirlpool_Reviews@Whirlpool.com with your name, user id (Cajun1112), phone number, street address, zip code, reviewer name, model & serial number, and date of purchase on the appliance.

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Won't heat. Everything else works.


Magnatron is suspect. Need to put a voltmeter on it and see if the input (primary) side to the high-voltage transformer (big heavy iron thing in there) is getting 120Vac. Don't touch the other (high voltage) side of this transformer. If the power is there, you are looking at replacing the magnatron. Its affordable if you do it yourself - buy the part on EBAY - lookup "universal magnatron"

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1 Answer

Microwave power,timer seems to work but it does not do anything.


Generally, the most common causes of a failure to heat are:

- bad door switches or door switch mounts
- loose connection at the magnetron
- problem or loose conneciton on the control unit circuit board
- bad magnetron or other high voltage part

If you or a friend decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and

disassembly information at our site, linked here on Fixya: http://tinyurl.com/yzjozk

You can usually find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383

Oct 22, 2007 | Microwave Ovens

2 Answers

My microwave has stopped working and switched on suddenly!!


Sounds just like a bad door switch or door switch mount. Probably the upper one. Safety info, disassembly tips, and door switch test and replacement info are all available at our Web site. See http://tinyurl.com/yzjozk

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