Question about KitchenAid KHHS179LSS Convection / Microwave Oven

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Touch error Touch pat not reponse any.It show ' touch error' any time affter reset. Just got out of the box and not work right.Please help to solve the problem.

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Your membrane keypad has probably failed.

If it is still under warranty, please contact the manufacturer's number in your owner's manual.

If you might want to replace it yourself, I have uploaded a handy guide with pictures showing you what's typically involved.

It's at http://www.microwavedisplay.com/keypad_replacement.pdf

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

Essentially you unplug the oven from the wall outlet, and remove the control panel assembly as per the instructions at the site linked above.

(Remove the grille from across the top, remove the top screw in the control panel frame, then lift up & out).

There should also be a very helpful "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille.

Then unplug the keypad from the circuit board, heat up the keypad from the front with a hair dryer, then peel the old keypad off.

You have to make sure all the old adhesive is off or the new keypad will not stick.

I use paint thinner or mineral spirits, then follow up with isopropyl alcohol to be sure the panel face is squeaky clean and dry.

Then peel the backing paper from the new keypad and carefully press the new keypad in place.

You need to be precise - you cannot apply it, peel it off, then reapply it.

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 and we appreciate your thoughtful rating of our answer.

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

Posted on Jun 23, 2008

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ut the tech sheet did mention that intermittent F7 problems are usually caused by poor connections. So I pulled the ribbon connector off the control board and cleaned the copper connectors using a pink pencil eraser. That whupped that puppy! But then I went out on another service call, same oven, different house. The pink pencil eraser trick didn't work on this one so I had to apply some of that famous Samurai gray matter. To identify the problem on this one, I cut power to the range and disconnected the ribbon connector that connected the touch pad to the electronic range control (ERC) board. Then I re-applied power and let it sit that way for 24 hours after which the customer was instructed to call me and report on the error code status of the oven. If no error code was reported, I knew the touch pad was the problem. If, on the other hand, the F7 error code came back, then I knew the (ERC) was the culprit. In this case, the error code did not come back during the test period and, using my keen, Vulcan-like powers of deduction, concluded that the touch pad was defective. I replaced the touch pad and problem solved!

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My Touch pad does not work, can someone help? My touch pad doesn't work. If I unplug the microwave and plug it again, it will show an error message but it will work one time only and then the pad will not...


What error message is it showing? What is your model?

F3 on a GE / Hotpoint microwave means you have 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.

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

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hi the se flashing indicates a fault with the your membrane switch [touch control/ touch pad. disconnect power for about 20 min and then reconect .it should reset if not replace with original part .ihope it works cheers

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On a GE microwave F3 means you have a failed keypad.

We replace these for customers nationwide with our guaranteed $39.95 service.

If you might want to replace it yourself, I have uploaded a handy guide with pictures showing you what's typically involved. It's here.

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

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

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