Question about Kenmore 80809 Microwave Oven

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I installed a new circuit board and control panel and the key pad does not work.

Our microwave first started acting up by a few of the buttons on the keypad not working at all when you would push them. I purchased a new control panel and installed it. After install none of the buttons on the new control panel would not work. I then ordered a new circuit board and installed it. We still have the same problem. Is there something I am not doing when installing these new parts to make the keypad respond to our touch?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

MicrowaveSvc
  • 9047 Answers

SOURCE: Microwave keypad issue

You have a failed membrane keypad.

Most of the time, this is an economical fix. But shockingly, this keypad runs a whopping $110!

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 exploded views and order parts by entering your model number at the Sears parts site.

A full Sears/Kenmore model number has 3 digits, a dot, then 8 more digits, such as ###.########

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 repair for you, we do that for $39.95 plus part costs.

Feel free to contact me directly (and please remind me of your model number) 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
prototech@usa.net
http://www.microwavedisplay.com

Posted on Dec 08, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: Kenmore Microwave Oven Sudden Power Reduction

I would be sure to check the microwave's outlet under a load.

One good way is to use a toaster or hair dryer for about a minute to see if they run at full power and run without their heating elements dimming.

If the power at the outlet is steady, I would suggest a hard reset. Unplug the unit for a minute or so. Then plug it back in, set the clock and try again.

If it still fails to heat properly, I would say you have a failing magnetron, and it would just be a coincidence that the failure began after the new wiring was installed.

If you need to order the magnetron, Sears sells it for $73.13, but you can get it for $41.84 here.

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

Posted on Feb 15, 2009

  • 107 Answers

SOURCE: kenmore over the range microwave 721.67600 will not cook

One of two thing happened here...
1. most likely...One of the interlock switches has malfunctioned. Micro. will NOT opperate unless ALL switches are working properly for safety
2. possible...the start button on the touch pad has failed in the circuit.

Posted on Mar 14, 2009

MicrowaveSvc
  • 9047 Answers

SOURCE: 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

Posted on Jun 30, 2009

blueextc3221
  • 15935 Answers

SOURCE: F-9 Error code

The F9 error code indicates a failed inverter. If resetting the unit does not help you will need to have the inverter & harness checked.


http://media.fotki.com/1_p,wbgdfgsrsttwqwbxgtqsskgwtqkq,vi/kgdfkfrkkxkfdtftrfb/1/1303472/5961857/image45625img-or.jpg

This can sometimes by caused by a power surge or glitch through the electrical lines.
You can sometimes clear this fault by completely unplugging the microwave for 1 minute.
Plug it back in and see if the fault code returns.
If it does, then you have an internal component failure that will need to be serviced by a technician.
Microwaves must be serviced by technicians due to the inherent dangers involved in repairing these appliances.
Internal capacitors can retain a lethal electrical charge even though the unit is completely unplugged.
A microwave radiation leakage test must be performed on the unit following any internal component repair.

It does not ALWAYS indicate a inverter control board problem however in other brands/models.
LG's service manual (for an example) suggests the f-9 code could be due to line voltage, magnetron, inverter module, "Relay2", or a loose connection between door/magnetron/control pcb.
Other indications might help narrow down these choices before having to pull out your multimeter and crack open the microwave case.
For example, if the microwave works, but heats slowly, then the troubleshooting manual narrows your choices down to magnetron or line voltage problems, and pretty much rules out the other possibilities.

Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question.

Posted on Sep 25, 2010

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The key pad is probably worn out or otherwise broken. Unfortunately, to replace the key pad/control board, if it's still in production, usually cost as much as purchasing a new unit. Sorry to be the bearer of bad news.

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Hi, welcome to Fixya!

From your question, I suspect the fault is from the control board of the microwave. This is why some buttons on the the touch-pad are not working.

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HELLO.

The code on the screen indicate electric panel fault resulting from the touchpad malfunction.

The touch pad on your microwave oven acts as the brain of the appliance. It not only contains the buttons that you use to enter cooking settings and times, but also controls the function of the entire microwave. If the touch pad malfunctions or breaks completely, the microwave will cease to function. In this instance, the broken touch pad must be removed and a new touch pad must be installed, to restore functionality to the microwave.

1 Unplug the microwave from the wall outlet.
2 Remove the two screws, located on the front or top of the grill at the top of the microwave.
3 Pull the grill off of the microwave.
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If you're saying that some digits or segments on the display do not light up, then I would first suspect grease or moisture on the control circuit board.

If it's just that some pads on the keypad will not respond, I would say your membrane keypad is failing.

I would first give it a "hard reset" by unplugging it for 2 minutes, then trying it again.

If it still fails, I would remove the control panel assembly (see the disassembly video here) and inspect the circuit board for green, gray, or white residue or grease.

The membrane keypad is not available as a separate part, but comes already installed on a new control panel frame, which is part number 5304464130 which you can order from the Pros here.

To replace that, you unplug the keypad (as per the photo below) and move your circuit board into your frame.

34374fd.jpg

If you need more help, feel free to contact us directly.

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

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You have a failed membrane keypad.

On this model, the keypad is not available as a separate part, so you would need to order a new control panel frame assembly, which comes with a new keypad already mounted on it.

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

That is a simple do-it-yourself job.

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.

Next, disconnect the strip as shown in the photo below, then remove the screws that hold your circuit board in the old frame.

8a3ccb6.jpg

Then carefully (since the display is made of glass) move your circuit board to the new frame, and reassembly is the reverse of disassembly.

You can order it here and also find helpful exploded view diagrams at that link.

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

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No, unfortunately the membrane keypad is not available as a separate part on this model.

You would have to order the control panel frame, which comes with a new keypad already installed.

The part number is WB07X10883 and you can get it for $86.82 here.

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

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.

40c6447.jpg

Some connectors on the relays may have a lock:

4d5be4a.jpg
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

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Okay, thank you for that.

You have a failed membrane keypad, but on this model, it is not available separately.

You would need to order the control panel assembly, part # WB56X10817, which you can get here for far less than GE charges.

It costs more than just a membrane would, but is much simpler to replace.

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 remove your circuit board from the old frame and install it in the new frame.

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

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