Question about Whirlpool MH6150XMS Microwave Oven
My husband called me earlier to say our microwave was not heating. About a year ago the mother board had to be replaced becuae it was apparently hit by lightening. It heated fine when that happened, but once the cycle stopped, the fan would keep running and you would either have to add more time to make the fan shut off or open and shut the door until the fan stopped running. Any ideas of what could be wrong? If so, is it something easy to evaluate and fix? Or would it be best to contact a repairman? The microwave is just a little over 3 years old. Thanks for the help.
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: http://tinyurl.com/gv383
There should also be a "mini-manual" hidden inside the unit behind the control panel, which is very helpful when troubleshooting.
We're happy to help and we appreciate your thoughtful rating of our answer.
Posted on Mar 20, 2008
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