Disassemble energized checks during the test machine has a burning smell, feel the heat landed near the furnace. Suspected to be part of the barbecue control problems, but the power revealed no abnormalities. After ponder, is it connected to the power magnetrons began to work, the power transformer due to load heavy and noisy? Then close the cabinet, after the furnace to release a small bowl of water power (do not press the start button), the moment View a clear bowl of water temperature, connect the power to determine the magnetron starts working. The investigation found that the relay contacts are controlled magnetron adhesions remain on the long-term. After replacing the relay, troubleshooting. Such failures must not be taken lightly and must be ruled out as quickly as possible, otherwise they will not rotate the cooling fan, overheating and damage the magnetron.vJTservice manual download site