Check the wiring elsewhere on the garage door opener.
My craftsman garage door opener light stays on.
Insert the jumper wire into the wall control terminals on the garage door opener to see if the garage door moves.
The opener s light may be staying on because the light feature has been activated.
Here are a few reasons why your blue max lift master or other garage door opener light stays on longer than the usual time.
Motion sensors were triggered.
A clockwise turn will increase the time the light stays on while a counter clockwise turn will decrease the time.
This is a feature that is exclusive to chamberlain group openers.
The light will come on any time someone walks in front of the beams.
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.
Most openers come with motion sensors.
If you re too far away this can cause a problem with opening or closing the door.
You will use it as a jumper wire in the next step.
Why the light stays on.
Cut a 3 inch strand of insulated wire and peel the ends.
Adjusting the light timer on a newer digital unit.
Insert the blade of the screwdriver into the appropriate slot.
Check your installation manual for exact wiring instructions.
Faulty wiring is the most likely cause of a problem with the light.
This feature comes on when the sensor detects movement.
The light feature was designed to turn on automatically so you never have to enter a dark garage.
This feature is triggered when you interrupt the signal between the photo eye sensors when entering or exiting the open garage door.
Firstly check that you re using it within the range required for your opener.
Make sure the power is properly connected and that no wires have worked loose.
The range on most light units is from 90 to 240 seconds.