This brain can wear out in time so you could need a replacement.
Sears garage door opener closes then opens again.
In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor.
Erase all codes in your remote and then reprogram it.
Until a year or so ago we never had a problem with it.
Then during some cold winter day.
If the garage door does not close completely or begins to close and then opens back up again the down limit switch needs.
If this is a sears srt without external travel limit switches the internal travel limit is out of adjustment telling the opener to continue after the bottom of the door makes contact with the garage floor basically driving it into the ground until the force required exceeds what the safety system force is set at.
Operate your garage door opener.
It is important to perform the safety reversing test after adjusting the force settings.
Hi in 2002 we purchased and had installed a craftsman 1 2 hp garage door opener model 139 53965srt.
Else repeat the process once again.
When your garage door opens or closes when you haven t triggered the remote one possible cause is that a neighbor s remote was programmed at the same time as yours.
There will be two on the chain one for the opening limit and another for the closing limit.
Look for trip arms or clips attached to the opener chain.
Get logic board replacement.
If the garage door fully opens or closes you are done.
There may also be loose wire connections inside the button housing itself.
Your garage door s logic board is the brain of your garage door opener.
The symptom of this is a garage door that is in constant motion opening fully then immediately descending only to start the same cycle again.
Close the garage door with the opener and watch it closely as it closes.
If that doesn t fix the problem check the wiring between the motor unit and the wall control.
You have to keep adjusting till the garage door opens or closes fully without reversing.
As these wires short against the housing the electrical impulse causes the door opener to activate.