loud noisy humm in transfer switch
My transfer switch has had a loud humm to it since new--in fact was replaced under warranty once to no avail. Unfortunately it sits near our bed, so it's bothersome at night. my RV tech says I cou...
Forum Discussion
Not uncommon, but also not normal, ours has had a humming INTERMITANTLY since new, 4 years now, sometimes a good tap makes it go away....No danger as far as I can tell.....
