Start by locating the lock button on your garage door opener.
Chamberlain garage door opener button blinking.
The garage door opener flashing wall button is completely different from photo cell led light being outor the motor head led light flashing.
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.
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.
It informs you of an issue by flashing the diagnostic led light a certain amount of times.
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.
The opener can self diagnose any issues.
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 out mode in error.
At times the garage door opener can malfunction and the garage door will not open or close.