There are a few things which can cause this.
Craftsman garage door opener won t stay closed.
It s time to investigate the problem.
The team here at sevan locks and doors has a few tips for you to troubleshoot the fact that your garage door opener light won t shut off.
If you have a craftsman garage door opener the limit adjustment screws are typically on the left side of the power head left as you stand under the power head looking out the garage door.
I have a 1 2 hp craftsman garage door opener that is about 20 years old.
What controls the lights.
Recently the wall switch that powers opening and closing is not lit and will not activate the opener.
The craftsman garage door opener shown here has two set screws that control door travel.
These troubleshooting tips should work if nothing else is wrong with your garage door.
However if the door continues to bounce back open after rotating the screw four or five complete turns you could have a damaged limit switch assembly.
Adjust in small increments a half turn or less.
If your garage door opener won t open and the motor unit lights blink 10 times it usually means you have a problem with your safety sensors.
When the garage door opens about halfway or 5 feet from the ground and stops the up limit switch needs to be adjusted.
Garage door won t stay closed.
Test after each adjustment.
Adjusting the travel setting on a garage door opener.
Continue adjusting until the door opens and closes satisfactorily.
Open the garage door and watch it closely as it opens.
Adjusting the limit travel setting.
When the garage door does not close and the lights flashes it means the problem is with the safety sensor.
It s frustrating to have a garage door that won t stay closed.
Trouble shooting a garage door that won t stay closed.
With the diagnostic feature on craftsman you can know what exactly the issue is.
There can be a few reasons as to why your garage door won t stay closed and by doing some snooping and checking a few parts of the garage door system you ll be able to see what s really going on.
In this video from sears partsdirect we ll show you some simple fixes like checking the garage door opener s alignment and clearing obstructions.
The force adjustment screws are typically on the right side.
Amberstburg on canada question.
I have checked that there is power to the opener and that is not the problem however if i tap the underside of the opener motor with a stick the unit lights up and the.
Your opener has a logic receiver board that controls the light features.