Question about Maytag Microwave Ovens

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We have a maytag model number MMV5207BAS microwave only 2 years old and the control panel is no longer working right. some of the buttons were still working but not all. the other day we lost power for a few hours, now it needs the clock programed to use the micorwave, but the clock button doesn't work!!! how can i bypass this or is there just a simple fuse i can change to make the panel and all the buttons work again???

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

jsrock516
  • 5911 Answers

SOURCE: MAYTAG mmv4205aab OVER THE RANGE MICROWAVE

It could easily be a bad line fuse and/or line filter. To access you will need to unplug the unit and remove the outside case. Inside the unit, where the A/C power cord comes in, there should be a small circuit card (part #237068) located somewhere with a fuse mounted on it. This is your input line filter board with line fuse. Replace the fuse, first and see if this fixes your problem. This is a 20amp appliance fuse that you can purchase at any hardware store. Make sure you place the cover back on the unit BEFORE you plug it in. It is not safe to have this area of the microwave exposed with power applied. High potentials in the 4,000 volt range are present! If the fuse does not correct your problem, the circuit card runs about $26.00. Good luck and hope this fixes your problem.

Posted on Aug 04, 2007

MicrowaveSvc
  • 9047 Answers

SOURCE: where is the fuse for

The fuse is located behind the grille in line with the power cord on the right side of the unit.

But if your unit is dead, it may also be a bad magnetron thermal fuse or oven thermostat.

If you or someone you know wants to look into this, 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.

We have the entire service manual in electronic format as well. Please feel free to contact me directly if you need more help or would like the manual.

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

William E. Miller, AS-EET
prototech@usa.net
http://www.microwavedisplay.com

Posted on Apr 23, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: GE microwave (jvm1740dm1bb) - Control panel inop

That model number is not quite right. I'm going to assume it's JVM1740DMBB01.

(If that's not right, please check the tag inside the oven & reply back)

The membrane keypad is not available as a separate part, so you would have to order the control panel frame which comes with a new keypad.

In this case, you simply move your circuit board into the new frame.

The part number you need is WB07X11040 and you can find helpful exploded view diagrams and order this part here for $107.00 (compared to $164.75 from GE!)

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

Posted on Jun 02, 2009

MicrowaveSvc
  • 9047 Answers

SOURCE: Touch sreen won't work

I would suspect it either needs a hard reset (unplugging it for a few minutes, then trying again) or the membrane keypad is failing.

Instead of JMV1540BMC01, it would probably be one of these models:

JVM1540DM1BB
JVM1540DM1CC
JVM1540DM1WW
JVM1540DM2BB
JVM1540DM2CC
JVM1540DM2WW
JVM1540DN1BB
JVM1540DN1CC
JVM1540DN1WW
JVM1540DN2BB
JVM1540DN2CC
JVM1540DN2WW
JVM1540LM1CS
JVM1540LM2CS
JVM1540LN1CS
JVM1540LN2CS
JVM1540SM1SS
JVM1540SM2SS
JVM1540SN1SS
JVM1540SN2SS

Since FixYa is not currently notifying us Experts when Clarification Requests are answered, feel free to contact me directly (and please include your full model number from the tag in or on the unit) for a free estimate and free tips & do-it-yourself advice.

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 11, 2009

  • 24 Answers

SOURCE: No power. I changed fuse but microwave blows it immediately.

Be very careful! Standard microwaves have 2100volt capacitors and commercial ones 4000 volt capacitors.
*Decharge your capacitor(s) before doing diagnostics*.
You are now testing the high voltage side (as it works on convection). The main components are a transformer, a capacitor, a diode and a magnetron (havent seen a triac in a panasonic residential). If you have a proper meter that can test uf, decharge the capacitor, then test the capacitor, if it reads 0, you need a new capacitor (10$ used typically, 14$ new from ebay). To test the magnetron, decharge the capacitor first, remove the spade connections, test each leg to the frame of the microwave... if it shows measurable resistance, the magnetron is bad. The transformer is not something you test as I personally dont have a 4000 volt meter. If the diode, the magnetron and capacitor are okay, then the transformer is bad. To eliminate any other function, disconnect the low voltage to the transformer run a micropower cycle and check the fuse.
Hope that helps. My first instinct is the capacitor.

Posted on Dec 19, 2009

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If you or someone you know wants to look into this, 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.

We have the entire service manual in electronic format as well. Please feel free to contact me directly if you need more help or would like the manual.

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

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