I HAVE A SB 221 HEATHKIT LAST NIGHT WHEN I TURNED IT ON THE TRANSFORMER STARTING VIBRATING & HUMMING THE METER LIGHTS GOT DIM AND THE RESET TRIPED OUT. I RESET IT AND IT WORKED FOR A COUPLE HOURS AND DID IT AGAIN HAVE NOT TURNED IT ON ANY MORE.
PLEASE HELP
THANX HANK
PLEASE HELP
THANX HANK