Question about Sharp R-520KS Microwave Oven

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Won't cook timer counts down fan turntable work when door is opened

Replaced bottum door switch

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

SOURCE: sharp R930AW oven doesn't work

IF, you experience a problem similar to the one in which one or more of these switches can cause, always suspect first an item or component that is mechanical. In other words, the parts that have moving parts usually provide symptoms that appear to be very complex in nature, but are simple in what it may take to remedy or fix. For instance, if the convection portion of an oven as the R-930AK does not work or is intermittent, look to these referenced switches. I've even had the unit work when tilted at some degree of angle and stop working when moved beyond that angle. This was caused by an old switch. Actually, the fatigue and dirt with age, had caused the little pink actuator to only work when at an angle beyond that of horizontal which then did not require as much tension to allow to go shut. It was almost like a mercury switch on a thermostat or a pendulum anti-tilt switch on a pinball machine. Remember, what can wear out, probably will.

Posted on Oct 25, 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

tiway1
  • 100 Answers

SOURCE: dacor dcm24s.light, fan, and control panel work but turntable and heat do not

Most likely the bottom door switch. Dacor units are built by Sharp and that switch is a very common problem. You'd either need to check the switch with an ohm meter or remove the cover of the switch to see if it's burned inside.

Posted on Dec 23, 2008

MicrowaveSvc
  • 9047 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
  • 9047 Answers

SOURCE: frigidare microwave fmv156dcf:Timer and light work but no heat,

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

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.

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" (wiring diagram) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting & testing.

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.

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

Posted on Jan 03, 2009

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See this helpful text file.

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

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

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I suspect a door switch or mount.

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If you or someone you know decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and disassembly information at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

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

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