If your door control has a lock button it may have been turned on.
Garage door flashing light.
This video demonstrates what do if your garage door won t close and the lights on your liftmaster garage door opener are blinking.
Press the remote control.
Allow the motor to cool for about 15 minutes before restoring power and using the garage door opener.
Here s how to tell if garage door sensor is bad five things to check.
The light will flash two times.
Once you see the double flash press the control button on the remote control.
Garage door opener light blinks led light blinking indicates a problem note.
If just the red source led is out unplug the mechanism check the wiring and plug it back in.
If you try to open your door using a remote while the lock system is engaged you ll notice that the garage door light will begin blinking continuously.
Once you push this button the light on the garage door opener will flash twice.
Suresill 3 1 4 in.
If both the red source and green sensor lights are on and not blinking then the door mechanism is working properly.
You will need to use a ladder to access this area.
If this doesn t fix your problem then the problem is more than likely the safety reversing sensors.
If the door closes your issue is solved.
Unplug the garage door opener to reset the logic board.
If you own a new garage door opener that comes with a locking feature it s possible someone may have accidentally locked your garage door by pressing the lock button.
When your garage door opener lights are blinking or flashing and your garage door does not close all the way you may have an issue with your safety sensors eyes.
0 00 liftmaster garage doo.
When the lock button is on the garage door opener will work from the door control but the remote controls are locked out.
Click here to learn all the facts on garage door opener flashing.
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Pull the emergency door release and check the up and down travel of the garage door for binding.
Other signs include flashing garage door opener lights missing sensor light or flashing sensor lights.
To unlock your garage door opener push the lock button for 5 seconds.
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If one or both of the lights are off check the fuses breakers and plugs for problems.
The number of flashes can help to identify the potential issue.
Press the lock button to turn this feature off.