More specifically if your garage door light won t shut off it is most likely due to one of these reasons.
Liftmaster garage door opener motion sensor not working.
Here are some troubleshooting tips.
Liftmaster garage door openers troubleshooting support get the liftmaster garage door support you need from chamberlain group.
Check power supply to garage door opener.
Some homeowners will continue using their garage door opener without a light due to the high cost of circuit board replacement.
If you tried operating your liftmaster garage door opener with the remote control or door control and it didn t work.
The typical liftmaster opener system the door opener itself is in a casing mounted on the garage ceiling or wall.
On either side of the track near the floor you ll find a pair of led safety sensors that stop the door from moving when something is in the door opening.
Whether you have a belt drive chain drive or wall mount model find helpful resources manuals videos and more to help you diagnose and fix the problem.
If you do not hear a click coming from the motor housing then the relay on the circuit board is bad.
If you are unable to get the door closed and the safety sensors are the issue the garage door can be closed by pressing and holding the door control push bar until down travel is completed.
According to liftmaster issues with the safety sensor wiring typically occur because of a poor connection incorrectly connected wires or a short in the wire from a staple.
Garage door lights sometimes malfunction.
If your garage door sensors are clean it could be the alignment or the wiring.