Built in Whirlpool MT 784/IX, light / turntable etc seems fine. Will cook for short periods,maybe 1 minute, then seems to stop cooking...although the turntable /light / timer continues as normal.
What is the easiest option.....Take out for repair? OR....Find a replacement that fits / appears similar.
Many thanks,
It's possible that the module that produces the microwaves is failing. The parts are cheaper but the labor may not so get an estimate before deciding if it's worth repairing or replacing.
SOURCE: Whirlpool MT4155SPS
If you mean by "races" that the coooking time goes way too fast, then you may just need to reset the microwave. This is usually done by unplugging the microwave for several minutes then plugging it back in. You can also visit http://www.whirpool.com or call 1-866-698-2538 to speak with customer service. If that doesn't fix it, chances are that the integrated circuit (chip) is corrupted. Whirlpool doesn't make the chips available, so the whole control board (they may call it the "clock") would need to be replaced. If the time count sems correct, it's also possible that a sensor is bad, or maybe yopu have a bad door switch. You can do a Yahoo search for my file "doorsw.txt" to help you with the safety tips and disgnosis of door switch problems.
SOURCE: Maytag Rangehood Microwave Loud Humming
Sounds like you just fried your magnetron. Normally when they go bad, they make a very loud noise like what you described. The smell concerns me because you may have ruined the waveguide as well. If the magnetron burns through the protective painted surface of the waveguide, the waveguide is ruined. In most microwave ovens this means replacing the entire unit because the waveguide is not replaceable. Putting a new magnetron in a damaged waveguide will result in the same arcing and eventual failure. In addition to the magnetron, the following components are part of the same high voltage network: HV Transformer HV Diode HV Capacitor Magnetron Thermal Cut-Out Any one of these components could have also been damaged. I DO NOT recommend taking any voltage measurements inside the HV network. Potentials of over 4000 volts can be reached and make it very dangerous for the do-it-yourselfer. Taking resistance readings with the unit unplugged is strongly encouraged. If you decide to pursue a repair, inspect the magnetron tip and inside of the waveguide first. If the magnetron is melted and/or there are burn marks inside the waveguide, a new microwave may be a in order. This actually may be a better option than an expensive repair. I hope you find this advice helpful.
SOURCE: sANYO EM-D9550. Turntable turns when off but not when cooking.
That's sounds pretty strange!
Since I don't have any service data on Sanyos, I'd have to speculate.
I would guess that one scenario that could cause it would be if the turntable were turned off via the control panel, but there was a switch or switch mount problem.
I would refer you to their support people:
http://sanyoservice.com/
SOURCE: Microwave turns on, but no heat or turntable movement
The problem is that the magnatron is not getting power. Chance is that if could be a bolwn fuse inside the unit. If the fuse don't fix it then that leaves the charging diode, capacitor or the magnatron, or high voltage xformer of which without technical epertize I would not recomend attempting to replace. good luck
SOURCE: where i get new manual
Go to this link:
http://shared.whirlpoolcorp.com/product_literature/search.jsp
Put in your model number ad search for the PDF manual there. Hope this helps!
Hi,
Here
is a tip that will help you to figure out what is wrong with your
Microwave Oven....
Basic Microwave
Oven
Troubleshooting Tips
heatman101
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