Question about Panasonic NN-C994S Convection/Microwave Oven
The Microwave does not work The convection works
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Posted on Jan 02, 2017
An IGBT is an insulated gate bipolar transistor - sort of a hybird between a bipolar transistor and a MOSFET.
These are the final output driver transistors in the high-voltage inverter.
If it stops after 7 seconds, it still has a problem with the inverter.
It's likely a bad transistor, an electrolytic capacitor with an internal short or bad ESR or altered value, bad connection on the inverter board, a shorted diode or blown resistor, or a bad connection in the wiring.
Reputable service centers will have a repair warranty, but it may only be 30-90 days.
Due to the lethal voltages used and produced in inverters, I do not recommend that an inexperienced person work on these.
You should use a Panasonic-authorized service center so they'll have the service manual and (hopefully) experience and training to repair inverters.
In the US, you can find an authorized Panasonic servicer here.
This sounds like a non-US model. If so, visit panasonic.net, find your home country, then find the service / support links.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Feb 15, 2009
You can try MCM electronics, Digikey or Newark as they have replacement magnetrons. Also, replace the high voltage diode that is associated with that magnetron or you will probably burn up your newly acquired magnetron.
Energies associated with magnetrons can be fatal. Know what you are doing prior to replacement.
Posted on Apr 13, 2011
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