The opener s light may be staying on because the light feature has been activated.
My craftsman garage door opener light stays on.
This feature comes on when the sensor detects movement.
Adjusting the light timer on a newer digital unit.
This is a feature that is exclusive to chamberlain group openers.
Most openers come with motion sensors.
Motion sensors were triggered.
The light feature was designed to turn on automatically so you never have to enter a dark garage.
Faulty wiring is the most likely cause of a problem with the light.
Insert the blade of the screwdriver into the appropriate slot.
Why the light stays on.
Disconnect the wall control wire from your craftsman opener.
You will use it as a jumper wire in the next step.
The light will come on any time someone walks in front of the beams.
A clockwise turn will increase the time the light stays on while a counter clockwise turn will decrease the time.
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.
Here are a few reasons why your blue max lift master or other garage door opener light stays on longer than the usual time.
This feature is triggered when you interrupt the signal between the photo eye sensors when entering or exiting the open garage door.
Also verify the antenna on the motor unit is in the proper placement.
Check the wiring elsewhere on the garage door opener.
Insert the jumper wire into the wall control terminals on the garage door opener to see if the garage door moves.
Firstly check that you re using it within the range required for your opener.
You may also need to reprogram your keypad or replace the batteries in it.
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.