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I am using SHARP Microwave oven Model : R-7H55(G) and key pad is not working after the power is on. Please help. Thanks

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Posted on Jan 02, 2017

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SOURCE: Displaying DOOR

there is two fuses a 15 amp and a 20 amp fuse on the left hand side of the microwave one or both have blown

Posted on Jul 08, 2008

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SOURCE: Jenn-Air JMC7000 Microwave Stopped working

take the trim off of the microwave and on the top of the oven on the right side all the way in the back there should be a reset button just like a surge protector.

Posted on Dec 01, 2008

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SOURCE: JK P 86 27"

GE JKP86 Electric Double Oven. How do I find and replace the thermal switch

Posted on Aug 22, 2010

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SOURCE: We have a Emerson Microwave

You have to remove the 4 side screws and the 4 rear screws of the chassis cover then slide the cover to the rear about 3/4" life the rear of the cover about 30 degrees and remove the cover. Follow the power lead to the first connection and you will see a fuse holder. This is normally a 20 Amp slo-blo fuse. The fuse fails either from a bad power diode that is near the HV capacitor or a bad HV capacitor most of the time. MAKE SURE YOU DISCHARGE THE CAPACITOR BEFORE reaching inside the cabinet. Take a screwdriver and ground across the terminals at least 3 times.

You read the diode with a meter using R X 10,000 it will read zero ohms with the leads in one direction and infinity when the leads are reversed. You must disconnet at least one terminal from the diode to read it properly.

You test the HV capacitor using the same meter setting and reversing the leads. Eavh time you reverse the leads your watching for a momentary jump in capacitance and then the meter moves to infinity. If it reads continuity or no jump then the HV capacitor is bad.

This microwave has been around for quite some time.... so long that there are few manuals out there for it. If you find a failed part.. walk into your nearest appliance parts source with the failed part in hand. Use of GENERIC parts is fine.

Thanks for choosing FixYa,

Posted on Mar 31, 2011

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SOURCE: my MV1608WW microwave oven stopped

The electronics inside the unit may have just needed to be reset by removing power to it. I can't tell you whether or not it's safe to use. If you are unsure I would suggest having it checked out by an electrician or appliance tech first.

Posted on Apr 07, 2011

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I have an ancient Sharp Carousel Alacard microwave. Part of the door seal has fallen off and broke into pieces when it hit the floor. Can we still get these parts or should I get a new microwave

Ancient is the key here, do you want to keep it sentimentally or build a new relationship with a new , young better model? The seal is essential to keep users safe from not use if seal is damaged. Microwave is a klystron type transmitter used in radar. Have repaired and ck for escaping rf energy.if you go that route.I'd go new.

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I have sharp microwave oven this product i brought from usa this 220 w please send me manual book and one more thing this only one light glow.

Please mention the model of your sharp microwave oven. You can log on to the Sharp site to get details of your model:

click the link below:

Jan 10, 2011 | Sharp Ovens

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I own a microwave oven of make Sharp electronics. I had been using this for past two years. All of a sudden it has stopped heating the food items/water, though the light is glowing and the oven makes the...

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Here is a tip that will help you to figure out what is wrong with your Microwave Oven....

Microwave Oven Basic Troubleshooting Tips


Sep 08, 2010 | Sharp Ovens

2 Answers

My kitchenaid 30" built in microwave/convection oven beeps all the time. I have to turn the power off to stop the beeping. when i turn the power on the beepeing starts. I am able to use the microwave...

Hi there,

Well is there any error code on the digital display of your Microwave/oven?
Do you mean how to keep it from beeping when you press keys, or is it beeping by itself?
If the microwave oven is coming on or doing anything (beeping) by itself, this is very dangerous and can result in a fire.
First of all you cam leave it unplug for half hour, it helps you to reset your microwave/oven. If further you have the same problem please reply to the questions.......

Good Luck!!


Jul 27, 2010 | KitchenAid Architect Series KBHC109JSS...

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My DACOR + ECS 130 covection oven light relay keeps clicking.....

I have the same problem and sent an e-mail to DACOR. A James Carlos responded and advised that DACOR could not provide DYI info because of liability problems, pure BS in my opinion. I've had problems with a DACOR microwave (manuf. by Sharp), my DACOR wall oven Model ECS103 and my DACOR Raised Vent system and told Mr. Carlos so. I don't know how to fix the blinking oven light other than cutting power at the circuit breaker panel or removing the two light bulbs which other have advised but suspect a new front control panel is required. If you find a fix, please advise me at I think DACOR products are overpriced and junk.

Thanks, Bill 12/10/2009

Aug 27, 2009 | Dacor ECS130 Epicure Electric Single Oven

1 Answer

How can i be sure that the f7 error in my ge built in over requires a key pad replacement.

Hello, I assume since you are asking about the touchpad you had an error code or the appliance just stopped working. The way to be sure the touchpad is at fault is to switch the power off and then remove the ribbon/wire harness from the touchpad to the EOC (Electronic oven control). turn the power back on. Leave for 24 hours if the error comes back it's going to be the EOC if the error does not come back then you have a bad touchpad. Hope this helps, If you have any other questions or concerns please feel free to comment again and thanks for using fixya! Good Luck. Mike

Jul 20, 2009 | Sharp R90GC Electric Single Oven

1 Answer

The oven controls are not working. then FO shows

If your appliance is newer than 1996 F0 error code is a stuck key pad .
To verify turn off power and access the control panel and remove the ribbon connector that goes from key pad to control board .
Now restore power.
If the F0 code goes away you'll have to replace the key pad .
If it stays it means the control board is bad.
Thanks for using FixYa - a FixYa rating is appreciated for answering your FREE question.

Jun 11, 2009 | GE 30" Built-In Single Electric Convection...

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Jenn-Air JMC7000 Microwave Stopped working

take the trim off of the microwave and on the top of the oven on the right side all the way in the back there should be a reset button just like a surge protector.

Dec 01, 2008 | Ovens

2 Answers

Jenn-Air built in oven Model W188-C, Serial # 210764UC approx 1987

Big oops, Millwood. Shut power to the unit immediately and wait a day or more for it to dry out. If it works then, fine. If not, you've got a learning experience installing a new pad.

Dec 07, 2007 | Jenn-Air JJW8230D Electric Double Oven

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