Replacing Microwave's internal fuse
In December 2014 my Sharp R820BK microwave/convection oven just stopped working. I woke up one morning and went to heat something in the microwave and the was no time being displayed. Nothing worked o...
Forum Discussion
Among other things, microwave oven fuses can blow from...old age (perhaps assisted by poor connectivity with the fuse holder causing undue heating), from accumulated crud or maladjustment causing the door safety switch to misbehave and operate its contacts out of order, or from a short in the magnetron or failure of the high voltage power supply.
If the oven works after replacing the fuse, the third option is presumably not the cause.
If the oven works after replacing the fuse, the third option is presumably not the cause.
