A broken torsion spring will also cause the door to slam closed instead of closing gently.
Garage door opener shuts off after opening.
This brain can wear out in time so you could need a replacement.
Your garage door s logic board is the brain of your garage door opener.
If this isn t lit check for a tripped breaker in the main panel or a tripped gfci outlet.
You may also need to reprogram your keypad or replace the batteries in it.
It could be a bad connection in the power outlet opener cord or internal wiring or components of the opener.
When the logic board wears out it can cause your garage door to close then open and vice versa without explanation.
It s usual for it to be on for about 4 minutes after you open your door.
What controls the lights.
If you re too far away this can cause a.
Your logic board needs replaced.
Get logic board replacement.
Also verify the antenna on the motor unit is in the proper placement.
You can also try an extension to another outlet to test if works better there.
If the door starts to open but won t move more than a few inches the torsion spring may be broken.
The keypad doesn t work firstly check that you re using it within the range required for your opener.