Is it dangerous not to replace a torn waveguide cover?

fuse replacement?

Sharp Microwave oven Model R-330J(S) keypad problem?

Microwave, Sharp R 957 not heating?

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 ?

Sharp r-953 stopped working?

My Sharp Carosel Model R-5A98 blows its internal 20 amp fuse. Any idea?

sharp R259 800w?

how to fix microwave?

my sharp r957 microwave not giving heat?

sharp convection microwave oven turns off after exactly 59 seconds. how to ?

is it safe to replace a magnatron in a sharp convection oven ??