Question about Microwave Ovens
There's usually an input line fuse on a small circuit board (part of an input line filter circuit) in most microwave ovens. This is usually a 20 amp appliance fuse that you can purchase at most major hardware stores (you would need to look at the fuse to verify the rating). You would need to remove the exterior cover to access the fuse. Its usually located near where the power cord enters the unit. Make sure you unplug the unit prior to attempting any repairs to the interior circuits. Microwave ovens are particularly dangerous as the the voltage potentials in the high voltage network are in the 3000-4000 volt range. In addition, most manufacturers provide a schematic drawing with troubleshooting advice behind the operator console, or inside the interior cabinet wall. I hope this helps you.
Posted on Aug 01, 2008
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