While you wait for answers, we may have found some information which could help you.
Click here for Microwave Oven Replacesharp convection microwave oven turns off after exactly 59 seconds. how to ?
My Sharp Carosel Model R-5A98 blows its internal 20 amp fuse. Any idea?
Sharp Microwave oven Model R-330J(S) keypad problem?
How can I fix my Sharp Carousel Microwave Oven?
how to fix microwave?
Microwave, Sharp R 957 not heating?