Do a test with a brand new light bulb to see if it resolves the problem.
How to fix a garage door opener light.
Find where the bulb is located and proceed to remove each screw.
Unplug the garage door opener then immediately plug the opener back into the electrical outlet.
If the opener doesn t run when you touch the wires at the opener use a small wire and jump those same two wires at the opener terminal.
Your door control panel is usually on the wall inside your garage.
To replace the bulb start by setting a ladder next to the light housing.
Consult your liftmaster garage door manual to ensure you know how to navigate your garage door s features properly.
Check to see if your light switch is enabled.
You can find led light bulbs for the garage door opener at home depot.
First unplug the opener.
You can fix most light problems by following these troubleshooting steps.
If your garage door is closing fully and then reversing to open again then it may be due to a problem with the close limit switch.
Checking to see why your liftmaster garage door opener light won t work is a simple process since most garage door light issues stem from environmental factors.
The switch that turns on the garage door opener light may need to be replaced.
How to troubleshoot the issue.
Listen for the light relay on the logic board to click.
A new one should cost you about 15.
In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor.
Sometimes the light switch button is accidentally activated which causes the light to stay on.
In this position you ll work most comfortably.
Try the door control panel.
Damaged or rusted rollers can also create extra friction fooling the door opener into stopping prematurely.
If you hear a click replace the light socket if you do not hear a click replace the logic board.
It may be the light switch.
If your door control has multiple functions check the light button on the panel.
Try pressing it again to turn it off.
Sometimes switches can go out.
Make sure the rollers are in good shape and well lubricated to prevent this problem.
Even if the light bulb was changed do not count that out just yet.
Once you ve climbed up the ladder unplug the opener.
Now look in the light socket.
If you have a newer opener that has a light and a locking option on the switch buy the one designed for your model.