My Whirlpool microwave, Model # MH7140xfq-1, just quit heating. All the lights, push buttons, and turn table work but food no longer gets hot. MWO was purchased back in Jan 2001 and has been worked on as part of a recall several years back.
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you either need a new h.v. capacitor or h.v. diode in the magnetron circuitry if you cant hear it cycle when it runs as in a low pitched hummmm when its drawing current to operate the magnetron tube, each part runs about $30 to $45 each,normally its the h.v. capacitor though
I have the same problem. Everything seems to work except it doesn't heat up food.
I remember last time when it was working. I pressed the start botton before I closed the door. So it didn't start automatically, and I pushed start and it worked(it still heat up the food), but it doesn't work now. Help Please!!!
I have a Whirlpool Gold GH5184XPQ.