An open door will not close if the infrared beam is broken.
Liftmaster garage door opener 10 light flashes.
When the lock button is on the garage door opener will work from the door control but the remote controls are locked out.
The constantly flashing wall button simply means that the door was either put into lock out mode by someone using the wall panel control or for some reason it defaulted into lock.
Check the lock button.
Press the lock button to turn this feature off.
Loosen the wing nut holding up the photo eye and adjust them until both sensors are properly aligned.
The main light will blink 10 times indicating a problem.
If your door control has a lock button it may have been turned on.
Manually lift the garage door 3 to 4 feet off the floor and release.
If the door closes your issue is solved.
This will explain how to troubleshoot a garage door opener that won t close the door and blinks 10 times.
The light will flash two times.
The first thing you ll want to do when your garage door light is blinking is to check to see if the lock button sometimes referred to as the vacation button is turned on and if it is turn it off.
If the garage door forcefully closes to the floor or is difficult to manually open and close contact a trained door technician to have the door serviced.
Check the balance of the garage door opener disengage the garage door from the opener.
If one or both leds is blinking the sensors are misaligned.
The light from the opener blinks 10 times to warn you about misaligned photo eyes.
Ten flashes of the light tells you there is a problem with the door safety sensor circuit.
If one of the leds is not on the door sensors need to be replaced.
To prevent the garage door from injuring someone in the door or damaging an item in the way of the door all models of liftmaster garage door openers come installed with a safety sensor.
Look at the led s on both door sensors.
Why is the light blinking on my garage door opener.
Button or wall panel push button is flashing.
This most likely indicates that the garage door sensors are out of alignment or there is something in the way of the sensors.
Press the remote control.
To fix this issue first locate the two photo eyes attached to your garage door and clean the lens using a soft microfiber cloth.
The chamberlain liftmaster craftsman garage door opener wall buttons will flash when the opener is placed in lock out mode.
Liftmaster motors will not operate when something obstructs the infrared beam between the safety sensors at the bottom of the garage door tracks.
Garage door openers made after 1993 are equipped with sensors positioned on both sides of the vertical rails.
Start by locating the lock button on your garage door opener.
The garage door opener flashing wall button is completely different from photo cell led light being out or the motor head led light flashing.
