Question about Maytag MMV4205 Microwave Oven

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Hotpoint microwave is loud.

Over the counter microwave sounds like a truck engine braking. Sometimes it sounds like a buzzer at a basketball game, and has to rest for a while to work again. It seems like this hotpoint is on it's last days...What do you think could be the problem?

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  • 1,922 Answers

Your transformer windings are loose and the 60 cycle frequenct is setting up a mechanical vibration, you can try and look for anything loose inside the unit, but if the transformer windings get loose theres really no fix but to live with it

Posted on Oct 06, 2009

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Posted on Jan 02, 2017

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1 Answer

Beep is way too loud!!


Yes i found that a application of several layers of black electric tape over the little buzzer hole does wonders , i got mine down to the sound a 80's vintage digital watch makes just by doing this

Mar 12, 2014 | Hamilton Beach HB-P100N30AL-S3 - 1.1 CF...

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I have a Hotpoint Counter Saver Plus Microwave model RVM1435wd. The turntable does not rotate. How can I fix it?


If your turntable is not going around you may have one of two problems: the coupler under the glass tray may be worn and in need of replacement or the turntable motor needs to be replaced. Hope this helps.

Jan 24, 2010 | Hotpoint RVM1435 Microwave Oven

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Key pad lockout and load beeps


F3 on a GE / Hotpoint microwave means you have a shorted membrane keypad.

Since it's a basic counter top microwave, this may not be worth repair when you consider the cost of a new comparable unit.

If you (or someone you know) might want to replace it yourself, I have uploaded a handy guide with pictures showing you what's typically involved.

The part number of your keypad is
WB27X10624 and you can get it here for $51.37 plus shipping.

Good luck!

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

Dec 27, 2009 | GE Countertop Microwave Oven

1 Answer

Sounds like a truck engine braking. Sometimes like a buzzer at a basketball game.


With the symptoms you have, I would most strongly suspect a shorted high voltage rectifier diode or a bad magnetron.

A loud buzz, hum, or groan is usually a shorted high voltage rectifier diode, but a sound like gurgling into an empty coffee mug is one symptom of a failed magnetron, and yet the mag can be bad without that sound.


At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

Accessing some components for testing and possible replacement will require you to remove the oven from the wall.

If so, the installation instructions are very handy, and it's best to have two people since the microwave can be heavy and awkward.

You can download GE owner's manuals and installation instructions here.

You can download owner's manuals and installation instructions for several brands (including Amana, Frigidaire, Jenn-Air, Kitchenaid, Litton, Maytag, Roper, Tappan, Thermador and Whirlpool) here.

Here are some links you or someone you know can use for test help, but read their safety warnings first:

http://www.gallawa.com/microtech/diode.html
(if it's not shorted, it's probably okay)

http://www.gallawa.com/microtech/mag_test.html
(even if the magnetron passes these tests, it can still be bad. If you have high voltage and the diode is good, assume the magnetron is bad)

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

There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.

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

Oct 06, 2009 | Maytag MMV4205 Microwave Oven

1 Answer

Hotpoint Over the Range Microwave is LOUD


It is very likely that the motor that spins the plate is wearing out. You can find a replacement on ebay and many other sites.

Jun 06, 2009 | Hotpoint Microwave Ovens

1 Answer

Hotpoint Counter Saver Microwave not working


Please do not try to service. its dangerous to play with the internal parts of a Micro Wave. Most counter tops are pretty inexpensive buy a new one if the warranty is out.

Sincerely Steve

May 29, 2009 | Hotpoint RVM1435 Microwave Oven

2 Answers

Brand new Hotpoint Microwave doesn't heat


Brought microwave back to store. It didn't appear to be something I would be capable of fixing myself.
Got a new one which is working fine.

Mar 21, 2009 | Hotpoint RVM1535MMSA Microwave Oven

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