If the door rides back up the springs are under too much tension.
Garage door bouncing up.
Your garage door s logic board is the brain of your garage door opener.
It goes partway down reverses direction and goes back up again.
Get logic board replacement.
T his is a pretty uncommon problem but one that can happen after you ve first installed your garage door opener.
If these can t see each other when the door is almost shut it will send a signal to the garage door motor to open back up.
You push the button to close the garage door.
This is almost always the result of a dirty or obstructed safety feature.
Try making small adjustments.
To know how to balance a garage door first disengage the opener from the door by pulling the opener release handle see opening photo.
Sometimes the sensors will be in alignment and just as the door gets close to being shut it will vibrate enough to push one sensor off.
When the logic board wears out it can cause your garage door to close then open and vice versa without explanation.
This brain can wear out in time so you could need a replacement.
Your garage door sensor works by having two photo sensitive devices on either side of the garage door.
This is related to the up limit switch.
Move the garage door up and down until you find a place where the door stays suspended when you let go.
Find the best garage door repair services near you on yelp see all garage door repair services open now.
A careless or rushed parking job can cause the car s bumper to block the sensor.
2 brace the open door.
It s important to get this switch at just the right distance from the motor so that the door is able to close all the way but the motor also knows to stop running.
A properly balanced door will hold the halfway position without assistance.