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How can you tell if a fuse is blown in my microwave oven? the fuse is solid white and has a gray line going around the fuse

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You need to check it with a basic Ohmmeter/VOM/DMM. Unplug. Remove fuse. Check continuity. If there is continuity across the fuse - the fuse is good. You also can use a voltmeter when the fuse is in place and the microwave is plugged in. Just check the voltage across the fuse, if there is any - the fuse is dead.

Good luck
Vlad
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Posted on Sep 09, 2010

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