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LG MH7042G Start/Quick Start and Stop/Reset buttons are not working. Rest of the buttons are fine.

The Start/Quick start and the Stop/Reset buttons are not working.LG microwave model no MH7042G. Rest of the buttons are working fine but unfortunately I cannot start the oven since the button is not working. Anyone got idea?The Start/Quick start and the Stop/Reset buttons are not working.

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6ya6ya
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Posted on Jan 02, 2017

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MicrowaveSvc
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SOURCE: Start button on microwave does not work

Some numbers are missing off that model number. Would that be model 721.62622200?

(If not, please reply back with the correct model number off the tag)

If it's cooking with the programmed buttons, but Start is not working, it sounds like the keypad has failed.

The keypad for model number 721.62622200 is no longer available as a separate part.

So you'd have to buy the entire controller assembly, which includes the plastic frame, keypad, and circuit board, etc.

It is part # 4781W1M307A and it runs $110.10 at the Sears parts Web site.

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

Posted on Jul 20, 2008

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MicrowaveSvc
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SOURCE: Microwave Buttons Not Working

The cycling of your electricity probably didn't hurt it.

Chances are moisture or grease has gotten into the controls. That can ruin the keypad.

The way to prevent that is to be sure you have the microwave's hood vent exhaust fan running whenever you are cooking on the stove top.

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

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.

If you would like to have us do this for you, we do that for $39.95 plus part costs.

Please feel free to contact me directly if you need more help.

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

William E. Miller
prototech@usa.net
http://www.microwavedisplay.com

Posted on Oct 07, 2008

nuwan chinth
  • 111 Answers

SOURCE: Stop working

IS IT POWER UP.
please rmoove the cover and check the fuse also.
is it work?????
nuwan

Posted on Jan 12, 2009

TheMazz
  • 78 Answers

SOURCE: I have a 10 year old MH7130XE Whirlpool microwave

I'm assuming you mis-typed and meant the oven begins running when you SHUT the door and stops when you OPEN the door. Please tell me this is what you meant! If the microwave oven runs with the door open, UPLUG IT IMMEDIATELY AND DO NOT USE IT!!!

If the oven begins running without pushing the start button then the controller is bad or the Start button is worn out and making contact without pushing it. (Most likely it is your controller.) Generally, it is not worth the cost to replace the controller on a 10 year old microwave. Probably time for a new one.

But if you want, you can call Whirlpool and see what they suggest at 800-253-1301.

If this was helpful, please select YES to the first two RATINGS questions. Good Luck!

Posted on Oct 18, 2009

  • 1 Answer

SOURCE: My Galanz microwave WP800AP20-6 is beeping for no reason

I have similar problem

Posted on Jul 27, 2010

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