Tommy Mac Discussions › Forums › Fix-it Forum: Home Improvement & Do It Yourself Repair Forum › garage door opener / trouble › Garage Opener Electrical Problem
I accidently caused electrical spark while I was touching the electrical bulb socket. The power was cut off automatically. When I turned the power back on at the breaker, the opener just makes quiet humming sound but wouldn’t budge. What’s wrong? It’s Chamberlain LiftMaster 1156LM.