Simple but true the remote transmitter needs power to send a signal to your opener.
Garage door pulley not working.
Garage door opener systems must be maintained to provide smooth operation throughout the years.
Opener systems can develop a number of problems including electronic problems with remote control units chain slippage faulty roller action and cables that come off the pulley system.
If pressing the button on your garage door s remote control doesn t work check the batteries first.
Maybe the garage door opens halfway and either stops or closes.
Usually the ball bearings break down causing the pulley to scrape against the track angle or the rivets fail and the pulley splits as in the picture above causing the door cable to stick.
There are of course many other problems that can keep your garage door from functioning properly.
Finally it s possible the garage door opener s motor.
Try using your remote to open or close your door to determine if the reprogramming was successful.
Then within 30 seconds hold the button on your remote for three seconds or until garage door opener s lights flash or the led light on your opener blinks.
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One of the more difficult problems for do it yourselfers to diagnose is a worn cable pulley on an extension spring door.
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Click on a problem below to see the possible causes and solutions.
If you hear a scraping noise that could be a worn ball bearing is causing the pulley to grind the track angle.
It s also possible that the circuit breaker fuse or gfci outlet powering the door opener circuit has tripped or burned.
Bottom of the door is up on one side.
To reprogram your garage door remote locate then press your opener s learn button.