Question about Microwave Ovens

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Samsung microwave keypad

The control panel is completely blank and not working

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  • Microwave Ovens Master
  • 2,113 Answers

Then you have blown a fuse. Check inside the oven chamber and look for missing powder paint or signs of arcing, if so dispose of the microwave. If the inside is good remove all the screws and remove the cover. Replace the fuse. If the magnetron was making louder noises prior then replace the magnetron. Since the fuse went the giant capacitor is likely bad. While the cabinet is open make sure to look for burned wires, check the continuity of thermal cutoffs, and check the main circuit-board for burned traces or components. The relays in most electronics are known for arcing (spot welding) and staying in the wrong position. Tap them hard with the back end of a screwdriver. During all of this use safe electrical practices by having the power cord unplugged. The capacitor could still have a high charge on it so be careful.

Posted on Nov 28, 2013

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Posted on Jan 02, 2017

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  • 38 Answers

SOURCE: Model 721.80803400 microwave blank control panel

there is a transformer on front pc board.might need tech to have a looksee

Posted on May 24, 2007

MicrowaveSvc
  • 9047 Answers

SOURCE: Microwave Stays On

Sounds like 2 different problems, but it may talke a few posts to narrow it down.

A blank display could mean that you need to set the clock. If you can't, it may be a bad keypad, a problem on the control board, or a bad door switch or door switch mount.

If it stays on after closing the door, it may be a bad door switch or a stuck relay or other problem on the control board.

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, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

We also do repairs on the boards for $39.95 nationwide.

Please write back with more details if you need further help.

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

Posted on Nov 30, 2007

MicrowaveSvc
  • 9047 Answers

SOURCE: microwave samsung suddenly stoped working

UPDATE

The -SE-error is a shorted 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.

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 and we'd appreciate your thoughtful rating of our answer.

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

Posted on Jul 21, 2008

tiway1
  • 100 Answers

SOURCE: Samsung microwave auto starting

Please provide the model number of the microwave, and we'll be able to supply the part info. (Some Samsung models with this problem were part of a huge recall).

Posted on Sep 06, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: GE Microwave Keypad or Control Panel

If some pads on the keypad are not working, then you have a failed 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 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.

On this model, the cover will have to come off to replace the light bulb. If it's mounted in the wall, it will have to come down.

The installation instructions are nice to have in this case. You can download GE owner's manuals and installation instructions here.

I have attached a drawing to show where the bulb is on this model. It is located on the right side of the oven next to the wall of the cooking cavity.

The bulbs are available in local grocery stores, hardware stores, and stores like Wal-Mart and Lowe's.

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

b4f2c5a.jpg

Posted on Sep 27, 2008

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1 Answer

What does this mean on my Samsung smh9151 microwave oven? -SE-


The SE error indicates a short was detected at the key pad. This could be a problem with the wiring (dirt at a connection) or a bad circuit board. If your microwave is under warranty, contact Samsung.

Since microwaves have high voltage, you may not want to try to fix this yourself. If you do, make sure to be careful. Some have fixed the error after unplugging the microwave. Then disassemble the microwave keypad area. Disconnect the various wires and clean all of the contacts. (Do one wire harness at a time so that you replace them in the right place.) Reassemble and plug in the microwave. Test if the SE error returns. If the error remains, then the control board needs to be replaced. To get the entire keypad and control board, seehttp://www.repairclinic.com/Shop-For-Parts/a6b160i468/Samsung-Microwave-Touchpad-And-Control-Panel-Parts . The board alone is here: http://www.repairclinic.com/Shop-For-Parts/a6b160i324/Samsung-Microwave-Control-Board-Parts .

I hope this helps.

Cindy Wells

Jan 16, 2016 | Samsung Microwave Ovens

1 Answer

Having an issue with the keypad - not responding


I would contact Samsung, they seem to be aware of the issue with the control panel failing on there otr model and are replacing them free of charge under there "epidemic warranty"

May 06, 2013 | Samsung 1.8 Cu. Ft. Over-the-Range...

1 Answer

Microwave stopped working


The main fuse in the microwave is probably open, causes are! door switch, magnetron, inverter board, "if 7 years old or less" and possibly the keypad control board. I recommend having it checked out.

May 08, 2012 | Samsung Microwave Ovens

1 Answer

My Samsung SMH8165ST Stainless Steel 1600 Watts Microwave Oven Problems


This indicates a system error, the keypad has a short in the membrane, the keypad control board will need to be replaced.

May 02, 2012 | Samsung SMH9187ST Microwave Oven

1 Answer

We have a kenmore microwave 721.80803400. the display screen has gone completely blank. the microwave itself works (heats up, etc.) just fine. what part needs to be replaced?


While many microwave control circuit boards and displays are repairable, in this case, you may be better off replacing the board.

The part number is 6871W1S387A and you can get it from the Sears Parts Direct Web site.

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.

Then you unplug the keypad (as per the photo below) and move the circuit board into your frame.

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Some connectors on the relays have a lock:

positivelock.jpg

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

Sep 08, 2011 | Dacor DMT2420 1200 Watts Microwave Oven

1 Answer

GE countertop microwave shows "F3" on display, won't work


F3 on a GE means you have a shorted membrane keypad.

There are two ways to fix this model, either replace the membrane keypad which is a lot of work (handy guide with pictures) or to replace the complete controller.

It's probably not going to be economical even to repair it yourself if you or a friend want to. It depends on the model:

JES1334WD001
JES1334WD01
JES1334WD02
JES1334WD03
JES1334WD04

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.

I looked up parts prices for the -02 verison.

ref # 38 part number WB27X10554 membrane keypad $69.71 here (compared to $112.50 direct from GE!)

ref # 42 part number WB07X11076 complete controller assembly $131.01 here (compared to $196.25 direct from GE!)

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

Jun 02, 2010 | GE Microwave Ovens

1 Answer

Control panel not working


Your membrane keypad is failing.

Actually this job on this model can be completed by a do-it-yourselfer (you or a friend) pretty easily and at around $50 or so. Here's how:

You can order the control panel frame assembly, which comes with a new keypad. It's part # 383EW5A231S and it runs $42.73 plus shipping form the Sears parts site.

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.

Plus see this diagram at the Sears site.

Then you would disconnect the keypad strip from the circuit board as shown in the photo below.

After that, you take your circuit board out of the old frame (being careful not to drop or bump it) and put it in the new frame and put it all back together.

If you want to avoid taking out the board, you can order the complete controller assembly instead (frame with keypad and circuit board installed) part # 4781W1M432A for $87.02 plus shipping.

If you're still intimidated, at least watch our video. It's really pretty simple.

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

70b2b0c.jpg

Jun 29, 2009 | Kenmore 80412 Microwave Oven

1 Answer

Samsung microwave auto starting


Please provide the model number of the microwave, and we'll be able to supply the part info. (Some Samsung models with this problem were part of a huge recall).

Sep 04, 2008 | Microwave Ovens

1 Answer

Microwave Sharp carousel Model R3A36 keypad not working. We had a brown out due to a recent storm and the microwave keypad didn't work anymore after that. We unplugged and replugged and the light inside is...


Your keypad has failed.

It would need a new control panel frame, which comes with the keypad.

You simply remove the circuit board and plug it into the new frame.

It is part # FPNLCB070WRK0 and the best place to order Sharp parts is Tritronics.

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

Sep 03, 2008 | Sharp Microwave Ovens

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