Question about Whirlpool MH7140XF Microwave Oven

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GE HVM1540DN1BB over the range microwave. Touchpad will not respond. Unit was purchased in July of 2008.Can it be fixed or should I replace It?

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We had this same problem. I went on youtube and there is one link called "Quick Fix for GE Microwave." The guys shows how to take the panel off. You take the connectors off and put the keypad on the table and pull the ribbon tab out of the connector (don't take the connector out of the board, it doesn't some out). Then you put the ribbon tab back into the connector and it works. The ribbon tab just needed to be reseated. The whole thing took about 5 minutes. I was ready to listen to all these other people and go out and buy a new keypad. . .even worse. . I was ready to pay $500 for a new microwave. No way. . it's done. My wife thinks I'm so amazing blah blah.

Posted on Nov 24, 2013

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Posted on Jan 02, 2017

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MicrowaveSvc
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SOURCE: GE microwave error - PROBE

Chances are the keypad (membrane switch) is shorting, or the control panel as an assembly may need repair.

If you or someone you know decide to work on it, we have *critical* safety, disassembly, and troubleshooting info at our site, and our link is at our listing 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

There should also be a "mini-manual" hidden inside the unit behind the control panel, which is very helpful when troubleshooting. It shows you how to test the keypad.

Also, we repair these for $39.95 (in most cases) for customers nationwide via mail. If yours needs a keypad, we could also give you the estimated total repair cost if you contact us with your exact model number.

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

Posted on Mar 30, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: GE JES1344SK01 countertop microwave, no power

A microwave can be dead for many reasons.

It may be the fuse, which is usually located behind the grille or on the floor of the oven behind the control panel or between the door switches.

If the fuse is good, it may be an open thermostat or thermal cutout (TCO) / thermal fuse on or near the magnetron or on top of the cavity / body of the oven.

If it goes dead for a while during or after cooking then comes back on, the magnetron is probably overheating and causing the magnetron thermostat to open.

Then when it cools, it closes the circuit and allows power through again.

When checking TCOs or thermostats, if it has a hood fan thermostat, that should read open, as opposed to the others, which should read closed.

If the cavity thermostat needs to be checked or replaced you'll need to pull the oven from the wall, in which case you can download GE owner's manuals and installation instructions here.

If it went dead almost immediately after pressing the Start pad, that's usually a shorted high-voltage capacitor.

If it went dead a few seconds after pressing the Start pad, that's usually a failing high-voltage transformer.

If it goes dead or blows the breaker (or GFI) when you plug it in or open or close the door, then there's a problem with a door switch or door switch mount.

If it's intermittent or random, it may be a bad connection, usually on the control board or a loose fuse holder, or even an intermittent fuse.

You should do a continuity test on the fuse while it's in the holder (with the microwave unplugged, of course) then turn the fuse by hand or take it out and put it back in, then test it again.

If you remove the fuse, then press the meter leads against the ends, it can allow internal contact to be made and make a bad fuse appear to be good.

There should 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.

You can usually find helpful exploded view diagrams by entering your full model number here. Once you have the part numbers, though, I would suggest ordering parts here at a much lower cost.

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

Posted on Dec 17, 2008

  • 396 Answers

SOURCE: ge microwave HVM1540DN1BB button control pad stopped working

I am not familiar with the Whirlpool microwaves; however, I just had the same problem with an LG over the range microwave. Several of the positions on the touchpad quit responding to touch. In our case, it was the touchpad itself that was the problem.

The touchpad on our microwave was held in place with adhesive. We pulled it off and replaced it with a new touchpad. Everything works now. The only complication is getting to the connector which carries the signals from the touchpad to the microwave controls. We had to remove and dissassemble the door to get to that connector.

The touchpad cost about $26.00.

Posted on Oct 09, 2009

  • 1 Answer

SOURCE: I own a GE over the range microwave, model

This model from GE is a ****..they replaced the keypad once wihtin first 2 months..now just after warranty..same issue again. Never buy GE products. The replacement key bad is $44+shipping in many onlne parts store..I am giving it one more try..next time this happens..GE will be out my door!!

Posted on Mar 24, 2010

MicrowaveSvc
  • 9047 Answers

SOURCE: microwave ge spacesaver touchpad does not work except for the

You have a failed membrane keypad.

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.
You can find links to helpful exploded view diagrams and part ordering help here.

I recommend that you bookmark that link to your favorites. 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.

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

But please note that for some GE models, the membrane keypad is not available as a separate part, so you would have to order the control panel frame assembly which comes with a new keypad.

In this case, you simply move your circuit board into the new frame.
That is a simple do-it-yourself job.

Either way, we can let you know what your options and costs would be and send you other helpful info.

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.

Feel free to contact me
directly (and please remind me of your full model number from the tag on the unit) for more information & help.

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

William E. Miller, AS-EET
prototech@usa.net
http://www.microwavedisplay.com
Microwave Oven Control Panel Repair Nationwide

Posted on May 04, 2010

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Try unplugging the microwave for about 5 min. to reset unit. If problem persists, a new touchpad may needed, check on the following site http://www.repairclinic.com/ for price and availability of the touchpad using the unit's make and model. Some times you'll be better off buying a new unit.
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This model from GE is a ****..they replaced the keypad once wihtin first 2 months..now just after warranty..same issue again. Never buy GE products. The replacement key bad is $44+shipping in many onlne parts store..I am giving it one more try..next time this happens..GE will be out my door!!

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I am not familiar with the Whirlpool microwaves; however, I just had the same problem with an LG over the range microwave. Several of the positions on the touchpad quit responding to touch. In our case, it was the touchpad itself that was the problem.

The touchpad on our microwave was held in place with adhesive. We pulled it off and replaced it with a new touchpad. Everything works now. The only complication is getting to the connector which carries the signals from the touchpad to the microwave controls. We had to remove and dissassemble the door to get to that connector.

The touchpad cost about $26.00.

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