Hello :
To locate the fuse, remove the outer cabinet of the unit, which is usually held in place with a few screws. Once the outer cabinet is removed, follow the power cord into the unit. It will take you to the fuse holder, where the fuse sits. The fuse holder is located two or three inches into the unit, and may be attached to a power board .
CAUTION: Your microwave oven is capable of giving you a serious electrical shock, even when it is unplugged. We strongly suggest you seek the assistance of an appliance repair technician when conducting any microwave oven repair.
good luck .
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Every
microwave oven has a line fuse. This fuse is designed to blow if too
much current is drawn through the microwave circuitry. The fuse can
be replaced, but the underlying issue should still be investigated
and resolved. Otherwise the new fuse will blow also.
If
the microwave is not working the main control board may be
defective. This is not common. When a microwave stops working the
problem is usually the line fuse or within the high voltage circuit;
either the high voltage capacitor, diode, transformer or magnetron.
If
the microwave is not working the thermal fuse may have blown. It can
be tested for continuity. Watch our fuse testing video for more
information.
If
the microwave is not working the thermoprotector may have tripped.
This is a safety device to prevent the microwave from overheating. It
can be tested for continuity to see if it's blown.
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