Surge Suppressor Buzzing
Today I heard a loud buzzing sound inside that I traced to the hard wired Progressive Industries surge suppressor. This is installed in place of the old WFCO converter. I purchased it in May. The RV i...
Forum Discussion
Search the archives and you might get a hit. AC ie 60 Hz can cause vibration and a buzzing sound. Make sure everything is tightned down and if it continues call PI.
