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House wiring failure caused excessive voltage to microwave
Douglas from Missoula, MT
A Bit Difficult
More than 2 hours
Screw drivers
Disassembled control panel and checked power transformer windings. Primary winding fried. Patched power to magnatron transformer to make sure it was ok. Removed power transformer and checked diodes and transistors on board which were ok. Installed new transformer and reassembled control panel to microwave. Checked functions.