Microwave burn burning power with high voltage Insurance Insurance is different from a lot of maintenance found in: Insurance a burning high-pressure, irregular heating, resulting in high-voltage current is increased, which can be explained with the user. 2, after a certain time, a lot of greasy build-up, dust, especially to clean up high-voltage connection (equivalent to a large distribution charge accumulation), after this treatment has never been refurbished. The reason burning power insurance easier, usually caused by a short circuit door switch contacts.FNUservice manual download site