Check the wiring elsewhere on the garage door opener.
My craftsman garage door opener light stays on.
The light will come on any time someone walks in front of the beams.
Most openers come with motion sensors.
A clockwise turn will increase the time the light stays on while a counter clockwise turn will decrease the time.
Check your installation manual for exact wiring instructions.
Faulty wiring is the most likely cause of a problem with the light.
Motion sensors were triggered.
Chamberlain group products which include the liftmaster chamberlain sears craftsman line of garage door openers have a feature where the opener light will turn on if you cross the safety sensor beam shooting across the opening of your garage door.
This feature comes on when the sensor detects movement.
Firstly check that you re using it within the range required for your opener.
This feature is triggered when you interrupt the signal between the photo eye sensors when entering or exiting the open garage door.
Why the light stays on.
Insert the blade of the screwdriver into the appropriate slot.
Insert the jumper wire into the wall control terminals on the garage door opener to see if the garage door moves.
You may also need to reprogram your keypad or replace the batteries in it.
Also verify the antenna on the motor unit is in the proper placement.
If you re too far away this can cause a problem with opening or closing the door.
The opener s light may be staying on because the light feature has been activated.
The light feature was designed to turn on automatically so you never have to enter a dark garage.
Adjusting the light timer on a newer digital unit.
This is a feature that is exclusive to chamberlain group openers.
Cut a 3 inch strand of insulated wire and peel the ends.
Here are a few reasons why your blue max lift master or other garage door opener light stays on longer than the usual time.
Disconnect the wall control wire from your craftsman opener.