Safety sensors if the door goes up but you can t make it go down you probably need to adjust the sensors.
Garage door goes up but not down.
There is one on each side of the door.
This could include small items like rocks gum or mud buildup.
They both have lights and both lights should be.
If your garage door hits it bounces up and starts to open again your garage door is working well.
This is almost always the result of a dirty or obstructed safety feature.
You push the button to close the garage door.
It goes partway down reverses direction and goes back up again.
To fix this issue increase the down limit one quarter turn.
Turn off the sure lock aka vacation mode on the wall console check if limits are properly set check the door balance condition and door spring check opening force control or force settings.
You ll then want to test it again and if it s not right keep adjusting the down limit nob until your garage door hit the board and bounces back up.