Question about Sanyo EM-C1800 Microwave Oven

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Sometime the key pad works good, then the next time you press the pad it fail to respond. then a little while after it will work again.

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Posted on Jan 02, 2017

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MicrowaveSvc
  • 9047 Answers

SOURCE: Nothin works on my key pad

Here are lock / unlock schemes for three recent Sanyo models:

- Press and hold Stop/Cancel for 3 seconds
- Press and hold Stop/Reset for 3 seconds or so
- Press Stop/Clear five times

Hopefully one of those will work.

If none of these work for you, contact Sanyo Service Customer Service.

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

Posted on Jul 12, 2008

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hiltonjug
  • 612 Answers

SOURCE: key pad not responding SHARP R-9H11

Without being able to put my meter on it. My first guess is that you have a bad board. I would say a high limit but it either works or don't work. It does not come and go. There is not a lot to a microwave. You have door switch's, Mag tub, fuse, fan, transformer, diodes, belt, high limit, pc board and a touch pad. This sounds like a pc board to me. Honestly, if it's not a fuse. Unless it's a high dollar built-in unit, they are not Worth fixing. You can buy a new one cheaper. This is why a lot of service company's don't work on them anymore.
Please rate this solution if helpful.

Posted on Aug 21, 2009

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1 Answer

Microwave key pad won't work


That is a failed membrane keypad.

It is part number 3518522640B and you can order it from the Pros here.

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 repair for you, we do that for $39.95 plus parts.

Aug 22, 2012 | Magic Chef Microwave Ovens

1 Answer

Digital button on kenmore microwave does not respond when pressed could this be a fuse or is key pad gone


Considering the problems you are having it would be cheaper to replace the microwave oven.

May 22, 2012 | Kenmore Microwave Ovens

1 Answer

None of the keys work


the touch pad has a ribbon cable that connects to the control board poosible that the touch pad has failed or the control board itself.... most of the time the touch pad fixxes the problem... if you have power and all still try ordering the touch pad for the unit...
good luck to you

Jan 09, 2011 | Microwave Ovens

1 Answer

Key pad not responding SHARP R-9H11


Without being able to put my meter on it. My first guess is that you have a bad board. I would say a high limit but it either works or don't work. It does not come and go. There is not a lot to a microwave. You have door switch's, Mag tub, fuse, fan, transformer, diodes, belt, high limit, pc board and a touch pad. This sounds like a pc board to me. Honestly, if it's not a fuse. Unless it's a high dollar built-in unit, they are not Worth fixing. You can buy a new one cheaper. This is why a lot of service company's don't work on them anymore.
Please rate this solution if helpful.

Aug 21, 2009 | LG LMVM1935 Convection/Microwave Oven

1 Answer

Nothin works on my key pad


Here are lock / unlock schemes for three recent Sanyo models:

- Press and hold Stop/Cancel for 3 seconds
- Press and hold Stop/Reset for 3 seconds or so
- Press Stop/Clear five times

Hopefully one of those will work.

If none of these work for you, contact Sanyo Service Customer Service.

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

Jul 10, 2008 | Sanyo EM-V5405SW 1200 Watts Microwave Oven

2 Answers

My Touch pad does not work, can someone help? kenmore mocrowave model 721.62624200 microwave buttons work sporatically. if i push in a downward motion they work sometimes microwave blew a fuse a couple of...


It sounds like the keypad is worn out. The fact that you can get them to work sometimes by what direction you push on them, tells me that the contacts are not working correctly.

Did you have this problem prior to the fuse blowing or did it start after you replaced the fuse?

I don't believe the fuse blowing is related to the keypad problem. I also don't believe that you have a microprocessor problem because you say that the function buttons work but the number keys don't work right. If the microprocessor was faulty, it would not be able to read any of the keys.

The fact that the number keys are not working doesn't surprise me. When you go to cook something, you will press the number keys several times, while only pressing start or stop once. This is why your number keys have worn out first. These keys have a limited number of cycles (presses) and it sounds like its time for a new keypad.

Please let me know if I can be of further assistance to you.

Good Luck!

- Jim

Feb 21, 2008 | Microwave Ovens

1 Answer

Night Light


Your Control Key Pad is a circuit with each function and button a switch. The pad on your TV Remote, and Telephone is no different. The Key Pad is failing, It will only get worse. Determine if you can replace the Touch (Key) Pad. Not the Control Circuit, just the Touch Pad. Sometimes you can get it seperate. It connects by a Flex Cable to the Control Circuit.

Jan 28, 2008 | Frigidaire PLMV169DC Microwave Oven

2 Answers

Erratic keypad


It must be dissassembed Clean both surfaces (pad bottom surface and board up surface so they would have good contact) with alcohol solution liquid sweep and let them be dry. Next assemble it again and test it. if START KEY persit not working even if it is clean, a small leaf of aluminium must be stuck at the pad bottom of START KEY. Be sure you can carry out this procedure well done otherwise you 'll need to buy another keypad. Good Luck!

Jan 05, 2008 | Kenmore 63672 Convection/Microwave Oven

1 Answer

Suggestions


check the touch pad or control switches, and check the control panel circuit, check the thermal sensors. check the wiring.

Sep 28, 2007 | Westinghouse WST3504 Microwave Oven

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