If this does not fix the situation then you may need to replace the garage door opener or the circuit board to get to a different frequency.
My craftsman garage door opener opens my neighbors garage.
Each time you use your remote control it seeds your receiver with new coding for the next operation.
In rare instances a nearby neighbor may have a garage door opener set to the same wireless code as your opener.
It is quite easy to check just have your neighbor activate his or her garage door and see if your door begins to move.
To troubleshoot the garage door opener button make sure it s clean and free of debris.
And bingo your remote opens your neighbor s garage door along with your garage door.
I also have a sears 139.
The new openers are all electronic.
Your neighbor s receiver happens to randomly operate whenever your unit s coding matches your neighbor s much broader coding range.
When the garage door tracks or rollers are damaged or the garage door is not balanced your craftsman opener will stop when opening.
This is rare but it does occasionally happen.
If your neighbors garage door remote is opening your garage door the first thing to do is reset the codes using the dip switches or learn button.
And i am having to buy a new garage door opener because of my neighbors new garage door remotes open my garage door which has a 1992 sears garage door opener.
The door operator button is similar to a door bell.
The new garage door openers and the remotes do not have dip switches.
If your craftsman garage door opener opens or closes halfway then stops here are the troubleshooting steps to follow.
The button can easily get dirty and stuck in the pushed position.