The lights on the door opener are indications of a problem.
Garage door opener light flashing.
Liftmaster comes with two methods of self diagnosis.
Button or wall panel push button is flashing.
However the conditions that cause them to flash are pretty common.
Garage opener light blinking.
If you own a new garage door opener that comes with a locking feature it s possible.
You will need to use a ladder to access this area.
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.
The garage door opener flashing wall button is completely different from photo cell led light being out or the motor head led light flashing.
Garage door opener light blinks.
The chamberlain liftmaster craftsman garage door opener wall buttons will flash when the opener is placed in lock out mode.
When the lock button is on the garage door opener will work from the door control but the remote controls are locked out.
If your door control has a lock button it may have been turned on.
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.
One is the arrow keys found on the.
A troubleshooting guide light blinking continuously.
If your garage door opener is still blinking try realigning the safety reversing sensors.
The light will flash two times.
Press the lock button to turn this feature off.
When the battery is struggling it will turn on an indicator light.
Once you see the double flash press the control button on the remote control.
They can vary a bit.
Led light blinking indicates a problem.
If this doesn t fix your problem then the problem is more than likely the safety reversing sensors.