Question about Frigidaire FMT118EPB Microwave Oven
If the clock etc works after the ceramic fuse is replaced,but when you fire the magnetron to cook,it's more than likely the high-voltage capacitor in the cook circuit,if this isn't it a high voltage diode can be suspect,both of these normally go out after time,if this capacitor shorts from age its normally the culprit,remove the top cover,unplug it of course and short the terminals of the cap to drain any high voltage with an insulated screw driver,then take an ohm-meter and set it on X100 or higher and if it shows zero (0) then it's defective,the diode needs to be checked frt to back on a range X100 and higher,if its the same either way its bad depending on meters parameters,if shorted it will show (0) both ways most of the time or could be leaking and drawing too much current too
Posted on Feb 06, 2010
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Posted on Jan 02, 2017
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