Question about Microwave Ovens
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
I would think it's not a door switch problem since the oven and grill work.
I'd say this is a problem with the inverter or a bad magnetron.
More importantly, due to the lethal voltages used and produced, I do not recommend that an inexperienced person work on these.
I would recommend that you contact your nearest Panasonic-authorized servicer. You can find one here:
We're happy to help and we appreciate your thoughtful rating of our answer.
Posted on Nov 28, 2007
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