Question about Sharp R-1470 Microwave Oven

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I was cooking mac and cheese and it made a loud noise and just quit working nothing shows up checked breaker and it was fine so was outlet. Sharp R 1470

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Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Basic Microwave Oven TroubleshootingTips

heatman101

Posted on Mar 19, 2011

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Posted on Jan 02, 2017

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MODEL R-395Y sharp carousel microwave not working. All power outlets are fine. Please help, cheers lyn


I was unable to locate a service repair manual specific to your microwave; sorry.

You'll must likely have to find a Sharp service and repair center.
I've attached a link that contains the user's manual to your microwave...it has the phone number and address of Sharp; perhaps you can phone them and ask where a repair center is located.

This is the diagnostic check list Sharp recommends before calling for service:
SERVICE CALL CHECK
Please check the following before calling for service:
1. Does the display light up?
2. When the door is opened, does the oven lamp come on?
3. Place one cup of water (approx. 250 ml) in a glass measure in the oven and close the door securely. Oven
lamp should go off if door is closed properly. Press the INSTANT COOK/START pad once.
A. Does the oven lamp come on?
B. Does the cooling fan work?
(Put your hand over the rear ventilation openings.)
C. Does the turntable rotate?
(The turntable can rotate clockwise or counterclockwise. This is quite normal.)
D. After one minute, did an audible signal sound and COOK
indicator go off?
E. Is the water inside the oven hot?
If "NO" is the answer to any of the above questions, please check your wall socket and the fuse in your meter box.
If both the wall socket and the fuse are functioning properly, CONTACT YOUR NEAREST SERVICE CENTRE
APPROVED BY SHARP.

Sharp Carousel 395Y Operation Manual And Cookbook

Feb 22, 2017 | Sharp Microwave Ovens

1 Answer

Sharp Carousel Microwave Mdl 1875 for our RV is dead


>> We also tried plugging our toaster into the microwave plug outlet, and the toaster wouldn't work in that outlet, but worked just fine in a different outlet in the RV.

This means the outlet you plug your microwave into needs to be fixed in addition to fixing the oven. Breaker? Fuse?

>> I understand from another RV forum that microwave ovens for RVs have "special circuitry and cooling features" not found in regular countertop ovens for household use.

Not really in my experience. Any microwave supplied with clean AC power and proper venting space will be fine.

But I'd bet your microwave can be fixed affordably.

The main internal things which can result in this model being dead (no display, no light when you open the door, no beep when you press a pad on the keypad) would be the 20A fuse and the magnetron temperature fuse. There could also be bad connections on the noise filter board.

Also, sometimes a power surge can cause the power to be interrupted to the low voltage transformer on the board, and I regularly repair those boards. I can also write a technical statement to your insurance company or to an RV park as needed.

At my Web site, I have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

The relevant service manuals for this model are here and here.

You can order Sharp parts from Sears or Encompass.

Contact me directly if you need more help.

- William E. Miller, AS-EET
pupista@gmail.com
http://www.MicrowaveControl.com
Microwave Oven Control Panel Repair Nationwide "Recycling by repairing since 1982"

Mar 08, 2017 | Sharp R1875: Over the Range Convection...

1 Answer

New microwave stopped working after 15 seconds


Possibly the fuse / breaker is tripped, usually all outlets in one room share same breaker. Check breakers (or fuses) or try outlet in differnt room. If the outlet has power, (plugin a lamp to check) and the microwave still does not work, take it back to store for replacement or refund.

May 11, 2013 | Oster OGG61403 1.4 Cubic-foot Digital...

1 Answer

Sharp R-1870F Microwave Won't turn on


Could be just a fuse but probably the diode pack or magnetron.

May 24, 2017 | Sharp R-1870 Convection/Microwave Oven

1 Answer

Our microwave oven started making a loud sound and quit heating


Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Basic Microwave Oven TroubleshootingTips

heatman101==]-]=-

Feb 14, 2010 | Emerson MW8107WA Microwave Oven

3 Answers

Built-in Sharp Carousel II Microwave Convection Oven died.


There are a couple of safety thermostats in the oven to shut down power if something overheats. One is on the magnetron tube (the microwave source), the other is on the cooking cavity. These sometimes go bad. There's also a power line fuse that may have failed, or become loose in its mounting clips. These can be tested with an ohmmeter; they should all measure very close to zero ohms if they're good.

Another possibility is that the control circuit board in the oven may have failed. I have worked on several Sharp ovens where the power transformer for the board has gone bad for no good reason. If the board goes bad the oven may appear to be dead as well.

Microwave servicing is best left to professionals. If you're thinking of keeping this one, take it to a service shop (or call for home service) and get an estimate. Then decide whether to repair or replace.

Hope this has helped a little. Thanks for using Fixya!

Feb 02, 2010 | Sharp R-1874 Convection/Microwave Oven

1 Answer

Sharp microwave stopped working


Is it totally dead? No display? Or just does not cook? If it made an unusual noise before it 'died' something probably shorted out.... You need an ohm meter to troubleshoot. If the fuse is open, switches and HV circuit need to be checked before replacing fuse. Sometimes on the convection Microwaves (not just Sharp) the fuse will 'rust' and open rather than blow. Or the fuse holder can over heat and fail.

Sep 11, 2009 | Sharp Microwave Ovens

2 Answers

No Power at all


If it came installed in the house, it may have its own breaker switch. I'd check the breaker. Have any outlets in the kitchen gone out as well? This would support the breaker switch idea.

Hope this helps.

Jan 02, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Maytag Microwave Power Outage - Model MMV5000BAB


Found this under GE instead of Maytag, but can answer for you here.

It may be the internal fuse, but more likely it is the thermostat on the magnetron.

You can find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383

If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk

Nov 21, 2007 | GE JVM1190SY/WY/AY/BY Microwave Oven

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