Does not turn on 1.
Sears garage door opener light stays on.
Make sure the power is properly connected and that no wires have worked loose.
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On most models there is an adjustment screw for the light.
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.
2 only one of the two light sockets work.
The light will come on any time someone walks in front of the beams.
Most openers come with motion sensors.
Here are a few reasons why your blue max lift master or other garage door opener light stays on longer than the usual time.
A clockwise turn will increase the time the light stays on while a counter clockwise turn will decrease the time.
Replace the light bulb 75 watts maximum.
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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.
Vibration may be caused by loose end panel.
This is a feature that is exclusive to chamberlain group openers.
The range on most light units is from 90 to 240 seconds.
My sears craftsman 3 4 hp garage door opener model 139 53990ds has two problems.
I do not have pets and would like to disable any motion control that switches the light on.
Check the wiring elsewhere on the garage door opener.
Use a garage door opener bulb if standard bulb bums out prematurely due to vibration.
1 sometime after i come home at night and shut the door the lights will remain on all night.
This feature comes on when the sensor detects movement.
The need for occasional adjustment of the force and limit settings is normal.
Weather conditions in particular can affect door travel.
One of the benefits of this garage door system is that it is equipped with a motion sensor detector that triggers the light to come on when it senses movement.
It s a safety setting so that when you re leaving your car and exiting the garage you can see what you re doing.
This is usually located next to the travel limit switch on the opener.
Check your installation manual for exact wiring instructions.
