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.
Garage door flashing light.
If this doesn t fix your problem then the problem is more than likely the safety reversing sensors.
Suresill 3 1 4 in.
Once you see the double flash press the control button on the remote control.
Allow the motor to cool for about 15 minutes before restoring power and using the garage door opener.
If one or both of the lights are off check the fuses breakers and plugs for problems.
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.
Garage door opener light blinks led light blinking indicates a problem note.
Other signs include flashing garage door opener lights missing sensor light or flashing sensor lights.
If your door control has a lock button it may have been turned on.
Unplug the garage door opener to reset the logic board.
The number of flashes can help to identify the potential issue.
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.
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Okay now that you know some of the common signs of garage door sensor malfunction you re ready for the next step troubleshooting.
This video demonstrates what do if your garage door won t close and the lights on your liftmaster garage door opener are blinking.
If the door closes your issue is solved.
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When the lock button is on the garage door opener will work from the door control but the remote controls are locked out.
To unlock your garage door opener push the lock button for 5 seconds.
The led light that is referred to in this article is the small light that is located on the opener near the adjustment learn or program buttons.
Pull the emergency door release and check the up and down travel of the garage door for binding.
Repair the garage door if it doesn t travel smoothly.
Here s how to tell if garage door sensor is bad five things to check.
Press the remote control.
The light will flash two times.
If both the red source and green sensor lights are on and not blinking then the door mechanism is working properly.
If just the red source led is out unplug the mechanism check the wiring and plug it back in.