Question about Sharp R-1470 Microwave Oven

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Fans continues to run.

My sharp r-1470 microwave's fan continously run when the door is closed. The carousel does not rotate. Open the door it stops. The light inside stays on. It does not seems to be heating anything. The dispaly start button does not work when you put in the minutes and then hit start. I unplugged the microwave and then plugged it back in but that did not work. my email address is Raymond.Young@FWCS.K12.IN.US . I wanted to know if the microwave is salvagable. Thanks!

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  • Anonymous Sep 21, 2008

    I have exactly the same problem-

  • Micky D Oct 05, 2013

    I figured out this issue - The latch hook contains 3 switches that are all pushed when the door is closed. The top switch is held in the latch hook by a small plastic tab. Constant opening and closing of the door evenually causes the plastic tab to break off. So instead of the switch button getting pushed, the door latch just pushes the switch out of the way. I fixed mine by using a 2-part epoxy to glue the switch to the latch hook. If you want to replace the latch hook, it is a $12.99 piece on Sears parts central. On the diagram, the part is 4 - 15, Manf. Part #PHOK-13MRFO. Note: If your microwave is old enough that this part broke, it may be time to replace anyway, because other plastic parts (including the door) are old and brittle and beginning to break too. Microwave may not be that safe anymore.

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Door switches or control circuit, may be loose contact or open check all wiring and circuit...

Posted on Dec 18, 2007

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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

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Sharp R-520KS - When the door is opened, the light and fan comes on and the carousel rotates. I don't know if microwaves are emitted. How can I stop the fan from coming on and the carousel from...


You can tell if microwaves are being emitted if you get warm standing in front of it (seriously). But I wouldn't recommend that unless you want to cook yourself.

First thing that comes to mind is the door interlocks are out of adjustment or bad. Home microwave ovens are not supposed to operate like that. Some commercial models start the fan right away and run it after the cooking cycle is completed but I've never heard of a consumer model that does that.

Find your closest servicer here and have them take a look.

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The fan and light com on when the door is open and the carousel turns. When you close the door everything stops.


Check the door interlock switches, you may have a faulty switch or a blown fuse inside the microwave.

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the fuse to the magnetron may be blown or the mag it's self is gone. if the door switch was bad the unit wouldn't rotate the carousel. if it is the fuse (check with a multi-meter and check continuity across both side of the fuse, acheap one will do) if it is good, time to replace the micro, as they are cheap and repair would cost more than to replace. hope this helps.
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Hi, I am not sure of the cost concerning the control board, however, it does sound like a control board problem, or a door switch problem, I would need to see the specific unit diagram to know for sure, but many microwaves, not all, but many, have a door switch related to that part of the circuit, usually the fuse would blow at that point, but there again, it depends on the circuit. I would suggest you get the unit checked soon however. Hope that helps somewhat, and thank you.

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Sharp Carousel Over the Range Microwave R-1470 Quite working...has power and control panel works, timer will count down but microwave won't run.


When you hit Start, does the oven lamp come on but not the fan or turntable?

That would be a problem with the secondary (bottom) door interlock switch or its mount.

This is usually caused by either a bad door switch, a loose door switch mount, or occasionally a problem on the control panel.

Even though a door switch clicks, it may still be bad inside. Its continuity must be checked.

Door switch or mount trouble can be caused by slamming the door or by opening the door while it's cooking without hitting the Stop pad first.

There are plastic mounts inside the microwave which hold the door switches and onto which the door latches lock when you close the door.

The screws on these mounts may be loose. If they get too loose, the switches will not be activated properly.

Sometimes it's a broken tab on the switch holder, allowing the switch to rotate just out of position. This tab can be hard to see, since it is under the bottom edge of the switch.

One test that sometimes helps is to gently lift up (and/or push down) on the door or handle as you try to start it. If it works or tries to work, then it's a door switch mount or door alignment issue.

If you or someone you know decide to look into it, we have critical information on safety, disassembly and door switches at our site, and our link is at our listing here on FixYa:.

You can probably find exploded views and order parts by entering your model number here at the Sears parts site.

The best place to order Sharp parts is Tritronics.

If you think the problem is on the control panel, we repair these nationwide by mail for $39.95 postpaid in most cases.

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

Aug 18, 2008 | Sharp Microwave Ovens

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