Question about Whirlpool MH6150XMS Microwave Oven
I have a Whirlpool Gold Microwave / Range combo that came with my new house I moved into April 2000. I seem to recall in retrospect that there may have been problems with some models manufactured during this time frame.
As my problems states, my microwave seems to do everything normal (have A/C power, keep time, and appear to calculate all other food types from the instrument panel), but doesn't microwave/heat food. And when it turns on when attempting to do even the simple things such as heat a can of soup or make popcorn, it makes a very unusual noise instead of the "normal" humming when microwaving food. When I realized after 2-3 times that the microwave was not working, I have discontinued use since then.
The serial number is: XC K 04 11061
Model number is: GH 7145 XFQ - 0
Manufactured in January 2000
I am the original owner of my house and it has been my homestead since April 2000. This "malfunction" just started this year. So before I go and purchase anything new, I need to know if I have any recourse for this particualar model microwave. Please help.
It sounds like the high voltage rectifier has shorted or the magnetron has failed.
There should also be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.
At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.
You can usually find helpful exploded view diagrams and order parts by entering your full model number here.
Here are some links you or someone you know can use (in order given) for test help, but read the safety warnings first:
http://www.gallawa.com/microtech/diode.html (if it is NOT shorted, it's probably fine)
http://www.gallawa.com/microtech/mag_test.html (continuity can be good even though it is bad!)
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Nov 24, 2008
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Posted on Jan 02, 2017
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Dec 15, 2011 | Whirlpool Microwave Ovens
It sounds like the magnetron may have
either failed or is not being supplied with the extremely high
voltage required to run it.
SAFETY IS PARAMOUNT
This is a job for a professional but if
you are safety clued up, here's instruction.
Make sure the !!!!any capacitors are discharged!!!!! before attempting any sort of repair.
Check the door interlock switches first then the high voltage diode with either an AVO model 8 or moving coil meter on high resistance range for short circuit, (DVM's won't show the fault!), the capacitor can fail and go short circuit, the feed fuse on the primary of the high voltage transformer and then finally, the magnetron is best checked by substitution.
Hope that helps.
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