Question about Sharp R-1480 Microwave Oven

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Not working The door was closed quickly on the microwave and popped the fuses for the whole house. Now the light doesn't work or the fan but the microwave still works, just overheats very quickly. Any ideas on whether this can be fixed or will I need a new microwave? Thanks

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  • Master
  • 2,113 Answers

Some of your story seems impossible. Closed doors do not cause anything. Aging capacitors can cause fuses to go. They also stabilize the magnetron. My bet is the capacitor blew. I have no idea why the fan doesn't work, once the cabinet is open it will become obvious.

Posted on Oct 21, 2013

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Posted on Jan 02, 2017

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SOURCE: Fans continues to run.

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

Posted on Dec 18, 2007

MicrowaveSvc
  • 9047 Answers

SOURCE: Sharp Carousel Microwave door latch stopped working door won't stay closed

Normally the problem is not the spring, but a broken spring mounting tab on the door latch head (hook) assembly or the inner door panel.

If it's the door panel, it's usually easier and cheaper to use epoxy and some kind of hardware to fashion a new spring mount.

The door latch head (hook) is easy to replace or repair if that's the issue.

We have *critical* safety & disassembly info at our site, linked here: http://tinyurl.com/yzjozk

We also have this full service manual at our site: http://www.microwavedisplay.com/R1480_R1481_R1482_sm.pdf

Normally you have to separate the door panels (as shown in the attached photo) and then you'll see the screws you need to remove.

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

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Posted on Apr 18, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: Microwave won't START!!!!!!!!!!!!

It's usually a broken tab on the upper 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.

While replacing the switch holder is the preferred solution, using hot glue to secure the switch to the holder is much easier and quicker. Just be sure not to let the door be slammed from now on.

We have the R1480 service manual for this model and have uploaded it to our site here to help you. You will need the free Adobe Reader to view or print it.

The best place to order Sharp parts is Tritronics.

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

Posted on Jul 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

bulldogchief
  • 388 Answers

SOURCE: microwave popped and now does not heat

Okay, first we need to separate the situations. You were boiling water on the stove and had the range hood fan running to **** up the steam. Then you put something in the microwave to heat and you heard a pop and then zip-o.

The water on the stove has nothing to do with the situation, the fan you turn on is not part of the microwave, so it has nothing to do with the microwave.

The pop you heard and then the humming suggests the magnetron failed. You said you found a blow fuse and replaced it and still nothing, right? The magnetron is the most likely culprit...I would think it is safe to say that the magnetron shorted and drew enough current to blow the fuse.

Replace the magnetron and if that doesn't work, let me know here. Good Luck!

Posted on Sep 14, 2009

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