Hmmmmmmmmmm
Thats right. Hmmmmmmmmmmmm. What causes the hum in the transfer switch? Been living with it for quite some time. Any ideas before I take the cover off & start poking around?
Forum Discussion
Do you have a module to convert the relay signal to DC?
Fairly common on new relays.
the unit’s DC coiled relay prevents AC “chatter” noise and drop-out in low-voltage conditions.
Fairly common on new relays.
the unit’s DC coiled relay prevents AC “chatter” noise and drop-out in low-voltage conditions.
