Brian H Front Royal , VA April 23, 2016 Buzzing noise and then blow fuse Bought some fuses and found step by step instructions on internet to narrow problem down. Mine said diode but bought capacitor just in case. Drained charge on capacitor and replaced both. Working fine now. Finding problem took about hour fixing about 10mins. 19 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours