There is one on each side of the door.
My garage door won t go up or down.
If your garage door all of sudden won t go up and you re sure the transmitters are working properly and power is getting to the motor then you may have broken torsion springs.
Garage door won t go down most common problems when a door won t go down.
If everything else is ok try operating the door by hand don t hurt yourself it should come up without too much trouble.
Can you hold the button down to make the door go down.
Yes there is a problem with the photoelectric eyes.
In the funniest of scenarios the problem will simply be due to an unplugged power cord.
When you pressed the button did the opener lights blink at you.
If you happen to be home when these break you ll hear a loud bang from inside your garage.
They both have lights and both lights should be on.
Now if your garage door still won t go down after you ve made sure the sensors are properly aligned and there s no obstructions you ll want to take a damp cloth and wipe down the lenses of the sensors.
You might have absentmindedly unplugged the operator as you were exiting the garage through your internal door to the house.
Overtime these lenses can become coated with grime dirt and even sawdust.
Something is blocking the beam either the sender or receiver is misaligned kicked.