Questions & Answers for: garage door opener light wont Electrical Supplies

Garage door won't stay closed I have a LiftMaster Formula 1 garage door opener which won't stay closed. I have to clock the remote or wall switch a second time when the door starts back up. I've ...

garage door opens manually the chain flows freely with the emergancy release pulled. the motor runs lights on but the sprocket doesnt move the chain even with the door disconected. the reverse sensors

garage door wont open with remote the door moves fine with the wall unit and the batteries have been replace and we have tried several remotes that came when we bought our house however no remote will

light on my chamberlain '94 wont turn off. This is a fairly common complaint after an electrical storm. Seems a surge of electricity messes up the relay that control the light. The repair is expensive

...garage door will not close and I know there are sensors that are supposed to be lined up but when I try to reallign them the lights wont turn green at all. Is it possible the sensors are shot? If the ...

...garage door wont open fully the motor is working ok it just wont go back far enough on the track to where the stop plate is There is an adjustment on the unit called travel. Turn the one that ...

...of is trying a different light bulb or try unplugging the opener and removing the light bulb. Pull out slightly on the center contact of the socket. I am thinking some arcing is causing this

garage door lights wont work. the door works fine just at night and during the day the lights wont come on At the risk of sounding stupid, I have to ask "did you replace the light?" There is a circuit

the garage door track. When door goes up, it trips the lever and turns off the opener. The trip lever is adjustable. Loosen it and move back 1" or so. If that is not far enough, move it back 1/2" more

...garage door safety sensor light is out and door wont open If the courtesy lights on the motor unit aren't turning on, there may be no power getting to the machine, or there may be a fault in the ...