Damaged or rusted rollers can also create extra friction fooling the door opener into stopping prematurely.
How to fix a garage door opener light.
The switch that turns on the garage door opener light may need to be replaced.
Once you ve climbed up the ladder unplug the opener.
Your door control panel is usually on the wall inside your garage.
How to troubleshoot the issue.
If your door control has multiple functions check the light button on the panel.
Carefully pull it up a little bit so it applys more spring tension to the bulb.
Consult your liftmaster garage door manual to ensure you know how to navigate your garage door s features properly.
Find where the bulb is located and proceed to remove each screw.
If you have a newer opener that has a light and a locking option on the switch buy the one designed for your model.
Check to see if your light switch is enabled.
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.
Now look in the light socket.
Try the door control panel.
In this position you ll work most comfortably.
Sometimes switches can go out.
You can find led light bulbs for the garage door opener at home depot.
Even if the light bulb was changed do not count that out just yet.
If you hear a click replace the light socket if you do not hear a click replace the logic board.
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.
Do a test with a brand new light bulb to see if it resolves the problem.
Try pressing it again to turn it off.
First unplug the opener.
Listen for the light relay on the logic board to click.
A new one should cost you about 15.
Make sure the rollers are in good shape and well lubricated to prevent this problem.
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.
See if the small metal tab at the bottom is nearly flat.
To replace the bulb start by setting a ladder next to the light housing.
You can fix most light problems by following these troubleshooting steps.
The friction of the door rollers within the tracks is fooling the door opener into thinking the door has reached the floor and the opener needs to be adjusted for less sensitivity.
Sometimes the light switch button is accidentally activated which causes the light to stay on.