While you wait for answers, we may have found some information which could help you.
Click here for Touch Buttons Respondis it safe to replace a magnatron in a sharp convection oven ??
sharp R259 800w?
Sharp r-953 stopped working?
How can I fix my Sharp Carousel Microwave Oven?
how can i stop my sharp r 1480 microwave from turning on for no reason all ?
Microwave, Sharp R 957 not heating?