Question about Microwave Ovens

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Defrost lightwont go off so i can start microwave

My defrost button is on and microve just counts down wont start

Posted by Anonymous on

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  • Microwave Ovens Master
  • 2,113 Answers

The relay could be stuck but it makes more sense that the magnetron blew. It could also be a thermal cutoff or burned wire or burned circuit trace on the circuit board

Posted on Nov 28, 2013

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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jackboy
  • 2985 Answers

SOURCE: No fan, turntable or heat, but counts downs

The 'Clock, is Machanical just like an ordinary kitchen timer The reast of it is electronic, and at that age time for a new one.

Posted on Jun 26, 2007

  • 619 Answers

SOURCE: Sharp R-1505 microwave

The power fuse open , if open replace it don't make jumper it b
cause fire .
the power transformer builtin fuse open/
The door micro switch open /need to replace.

Posted on Jan 03, 2008

MicrowaveSvc
  • 9085 Answers

SOURCE: Sharp R-530ES microwave oven stopped working

You have a bad secondary interlock (lower door switch) or its mount is damaged or out of alignment.

We have the service manual for this model and have uploaded it to our site here to help you.

You will need the
free Acrobat Reader to view or print it in case you don't have it.

Even though a door switch clicks, it may still be bad inside.

Door switch or mount trouble is usually 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.

If you only need a switch, you can order a universal type here for $5 postpaid.

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


Posted on Dec 28, 2008

MicrowaveSvc
  • 9085 Answers

SOURCE: TIMER COUNTS DOWN, MICROWAVE DOES NOT TURN ON

To actons2 - This is usually caused by either a bad door switch or a loose door switch mount, which are pretty simple problems to fix.

Even though a door switch clicks, it may still be bad inside.

Door switch or mount trouble is usually 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.

If the switch mount is broken, it's usually more economical and safer to add a dab or two of hot glue to the mount to secure the switch. Let it cool for about 30 minutes before using.

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 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.

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

If you don't find yours, or if you want to look at it without disassembling the oven, you can download it here.

If you only need a switch, you can order a universal type here for $5 postpaid.

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

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

Note to Austin8181 - Your problem is not quite the same.

Please report as a separate request and of course please include your brand and model number.

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

Posted on Mar 06, 2009

  • 1 Answer

SOURCE: Microwave Oven EM-804T

When I opened up the microwave cover, noticed that the door latch mechanism was worn and not holding up the interlock switch. A thick piece of tape on the worn piece of plastic and microwave was back to working (I had symptom of the timer counting down without the microwave turning on)

Posted on Nov 01, 2010

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1 Answer

My microwave stopped working you can input time but when you push start nothing happens it has power and everything just will not start its like the start button does not work


Possibly a bad door switch behind the holes where the latch hooks go into. Usually with the bad switch the timer counts down but nothing runs. It all depends on which switch is bad. Usually 3 switches inside.

Apr 13, 2015 | Sharp R530EWT Countertop Microwave Oven...

1 Answer

Sharp Carousel R530BK microwave won't cook unless light pressure is kept on the door button.


There are door switches and one of them is evidently out of adjustment or the little actuator arm on it is.

Nov 27, 2013 | Sharp R530EWT Countertop Microwave Oven...

1 Answer

Would like to know how to use the Inverter. Is it for baking & defrosting? Have never used one before and do not have a manual.


Hi ifcope2000,

The inverter in your oven is for defrosting. It works on the basis of weight of the food to be defrost. To use the inverter follow the following steps.

First place the food on the microwave dish and then close the door.
Now press Inverter Turbo Defrost.
Enter the weight of the food using the number pads.
Press Start.Defrosting will start. The time will count down. Larger weight foods will cause a signal
midway through defrosting. If 2 beeps sound, turn over, rearrange foods or shield with aluminum
foil.

Atul

Mar 13, 2011 | Panasonic Microwave Ovens

1 Answer

Start microwave clockon sharp carousel oven


Not sure what the question is.. But if it is how to start the clock in a COUNT DOWN mode, then:

1, Touch TIMER BUTTON
2. Program in the length of time you want to use, before alarm comes on
3. Hit start button.

Unit will beep at the end the count down.
===========================================

Kindly,

Jim
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Dec 10, 2009 | Panasonic Microwave Ovens

1 Answer

Microwave not heating, but does count down minutes.


Press clear/reset button and hold 5 seconds. If this doesn't work unplug unit or shut off breaker for 10 seconds.

Sep 25, 2009 | Hotpoint RVM1435 Microwave Oven

2 Answers

Microwave Oven EM-804T


You need to trace the power feeding the high voltage transfomer. Because the table doesn't turn, it implies that a door switch or safety interlock is the problem.

Jan 01, 2008 | Microwave Ovens

1 Answer

Vibrating noise when cooking


In order to try to set your mind at ease I will have to explain the Basics on how a Microwave Oven Functions.
When a Microwave Oven is set to COOK ...START. It cooks at 100%. There is no lowering of the heat as with a Range ( Cook Top) Control. So in order to do the other things such as DEFROST, WARM, or anything other than 100% COOK. A COOK ON- COOK OFF system was utilized. To DEFROST, the Microve COOKS at 100% for 30% of the TIME, then IDLES for 70% of the TIME. COOK ON 30% of the TIME, COOK OFF 70% of the TIME = DEFROST This is why you can hear the CYCLE. More power is required during the ON CYCLE, thus the lower vibration. The Vibration occurs when the High Voltage Transformer is turned ON ( COOK ON).
The VIBRATION seems to have got louder with age. This is somewhat normal as there is a vibration from the High Voltage Transformer present every time the Microwave is used. screws and other metal parts seem to get loose with this vibration. There is no solution, unless you can tighten EVERY screw, nut, and bolt in the unit.
Sorry!

Dec 07, 2007 | Kenmore 62642 / 62644 / 62649 Microwave...

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