Question about Sharp Microwave Ovens
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Posted on Jan 02, 2017
The top door switch is almost certainly defective or loose. Most likely the latter, and possibly due to a loose or broken mount. Chances are that only the fan and light are on, but it's not wise to take chances with microwave energy, whuch can cause burns and fire. One way to possibly test this theory is to pull up gently on the door and see if it stops doing it. But that's not a foolproof test. A broken or loose mount can be caused by inadequate plastic or improper assembly techniques during manufacturing, by slamming the door, or other physical damage. Bad door switches are usually caused by opening the door while it's cooking instead of hitting the STOP KEY first. I have a helpful text file on door switches with safety tips that will help you. You can find it by searching on Yahoo.com (not Google) for microwave safety.txt Good luck and be safe!
Posted on Nov 11, 2006
I have the R-1460 in the same series with the identical symptoms. After reading MicrowaveSvc's solution I started taking apart to view the door switches and found the upper door switch to be the problem, but not a switch failure a support failure. A small bottom plastic support post that holds the switch in place was broken (probably from repeated use/abuse) allowing the switch to move when the door hooks were engaged, thus not actuating the button switch. Since the problem was mechanical rather than an electrical bad switch, I made a small support arm for the switch from an old plastic mechanical pencil and glued it in place to hold the switch in its correct position. Problem solved, microwave works! Thanks to MicrowaveSvc's description of door switches.
Posted on May 26, 2007
SOURCE: Microwave does not turn off
This is usually caused by either a bad door switch, a loose door switch mount, or a problem on the control panel.
Even though a door switch clicks, it may still be bad inside.
If you or a friend decide to look into it, we have critical information on safety, disassembly and door switches at our site, linked here on Fixya: http://tinyurl.com/yzjozk
You can get Sharp parts from Tritronics at http://www.wehaveparts.com
Posted on Nov 05, 2007
It should have a one-year warranty on parts and labor.
I'd call Emerson at 1-800-695-0098 to find your nearest authorized service center to have it fixed free.
It's probably a bad door switch or door switch mount.
We're happy to help and we appreciate your thoughtful rating of our answer.
Posted on Jun 22, 2008
Take it immediately to a local Microwave repair shop...looks like one of the circuits may have gone...otherwise switch off from mains
Posted on Oct 20, 2009
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