Sharps microwave wont heat everything else works

Generally, the most common causes of a failure to heat are:

- bad door switches or door switch mounts
- loose connection at the magnetron
- problem or loose connection on the control unit circuit board
- bad magnetron or other high voltage part (such as a shorted diode)

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

You can usually find helpful exploded view diagrams and order parts by entering your full model number here.

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

Please feel free to contact me directly if you need more help.

William E. Miller, AS-EET
[email protected]
http://www.microwavedisplay.com