Why microwave is not heating

Now I am worried that I will not be able to use it. I can send you the picture of the burnt microwave door if you like. My Sharpe microwave, watts, is rusting along the cavity of the oven, and along the edge of the door. The rust is a strip surrounding this area.

My oven is about 3 months old, and this has occurred with several ovens I have previously had. What can I do about this. This is caused by bad manufacturing quality I am afraid. To reduce it you could leave the door open to dry the interior out after use. If you do a lot of cooking that produces a lot of steam then this could expedite the onset of rust. Microwaves with stainless steel interiors should be immune to this but the quality of stainless that manufacturers use sometimes is bad and then rust can still develop.

Once there is rust on the inside of microwaves it can result in arching sparks and should then not be used. We have a Sharp Microwave combi over which is only 15 months old. While microwaves are perfectly safe for everyday use, replacing or testing electrical components should only be done by a licensed professional. Thankfully, our technicians have exhaustive experience with safely repairing microwave ovens and are standing by to answer your call. Fix your microwave today! The diode has burnt out.

The diode in your microwave works with the capacitor to double the voltage, which is necessary to power the magnetron, which then heats the food. That switch was visibly fried. John Last Fixing the reason for the fuse blowing will stop is blowing again. As for chucking out an appliance and not bothering to fix it, that is what most people do, but fixing in saves a lot of money and a lot of raw materials. The microwave in the video was an expensive one, being dual oven, so it was a lot cheaper to fix it in parts costs.

It is still working now in April I have whirlpool magic cook 25 C microwave but won't able to stop my timer if mistakenly i have put 2 min timer instead of 1 min.. Posted: January 1. Whether it is a GE or not, all microwaves are built bascially the same.

The most common problem and cheapest fix will be that one of the 3 or 4 microswitches in the door are not functioning anymore. I had the same problem. Pad is lit, turntable works, light is on inside but no heat. One of the switches that the closed door accuates failed. The one that allowed power to go to the transformer. These are safety switches that don't allow the microwave to put out harmful waves while the door is open. So, it thinks the door is still open, but other switshes are saying it is ok to run.

All switches must agree. This video helped me troubleshoot. January 1 by George. Posted: January 2. Fix Your Stuff Community Store. Back Answers Index. Microwave Oven Repair and disassembly guides for microwave ovens. Mike Rep: 2 2 1. View the answer I have this problem too Subscribed to new answers. Is this a good question? Yes No. Voted Undo. Score Chosen Solution. Was this answer helpful?

Mirek Rep: 2 2 1. Your microwave oven not working? Door switches are for safety, have nothing to do with warming food. Then do the following: 1. Plug in the microwave oven. Start the microwave. Turn on the Multimeter and read the voltage. Reassemble, plug it in and test for two minutes on high with a cup of water.

After I did these things the unit worked like new. Hope this helps and good luck. Score 8. Score 6. Score 1. Scott Herrmann Rep: 13 1. If find blown fuse, check appliance for short circuits. Working with microwave oven is dangerous.

There is high voltage fuse between transformer and magnetron. Fuse can be fitted on transformer in black tube, or next to the transformer in white tube. Fuse required mA - mA5kV, mA depends on power of microwave oven. Expert advice from Bob Vila, the most trusted name in home improvement, home remodeling, home repair, and DIY. Kitchen Solved! If your microwave is not heating like it should, try these troubleshooting tips to decide whether it needs repair or replacement.

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