Openings overhaul, repair computer board obviously someone had. Listen carefully to normal after power magnetron oscillator sound, immediately after the shutdown of its spark discharge the capacitor is also strong, proven high-pressure system is normal. Suspect a problem with the magnetron, the magnetron will put a new fault persists. Check each individual plug no abnormalities, thought to want to decide to start from the others have taken place. Others must be removed to repair the computer board computer board and plug wiring above, the patch cord is not wrong? Then inspect the patch cord, and she wiring microwave and grill on the relay inserted in the wrong two, as shown in Fig. Two minutes later corrected that to boil a cup of water.fudservice manual download site