Question about Jenn-Air Microwave Ovens
The issue can either be a bad electronic control/clock assembly or the oven temperature sensor (probe) has gone bad. To solve this issue start by checking the oven temp. sensor for 1100 ohms, if the rating is more then that then check the control and door switch and replace the part that is bad. Hope this helps...
Posted on Dec 30, 2010
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Posted on Jan 02, 2017
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It sounds like the magnetron may have
either failed or is not being supplied with the extremely high
voltage required to run it.
Make sure the !!!!capacitor is discharged!!!!! before attempting any sort of repair.
Check the door interlock switches first then the high voltage diode with either an AVO model 8 on high resistance range for short circuit, 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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