A simple way to do this is to unplug the garage door opener and then plug in another device say your phone or a light bulb to see if it lights up.
No power to my liftmaster garage door opener.
Check power supply to garage door opener.
Unplug the garage door opener then immediately plug the opener back into the electrical outlet.
If your garage door opener craftsman liftmaster chamberlain genie sommer decko has no power but it is plugged in the circuit breaker is on and you know for sure the electrical outlet has power then there is something in the garage door opener that is faulty.
Or borrow one from a friend.
If you hear a click replace the light socket if you do not hear a click replace the logic board.
If you don t have a ladder purchase one from a hardware store or a home improvement store.
An emergency release cord on the garage door arm opens the trolley to allow you to disengage the garage door from the.
There is an electrical issue in the opener.
Get the liftmaster garage door support you need from chamberlain group.
The remote control pad opener outside the garage still works.
During a power outage you must manually open and close the garage door.
No light on that button either now so somehow it must have lost power.
If garage door opener does not activate disconnect door control wires from garage door opener.
Disconnect wires at door control touch wires together.
Suddenly on my liftmaster garage opener the power from the big square button on the wall to open the garage isnt working.
When your garage door opener is not responding to any command from the remote or the door control you need to check if the opener has electricity.
Then climb up the ladder until you can comfortably reach the garage door motor.
Inspect door control wires for a short staple in wire replace as needed.
Whether you have a belt drive chain drive or wall mount model find helpful resources manuals videos and more to help you diagnose and fix the problem.