That s how the door knows to raise and lower when a button is pressed or an object.
Craftsman garage door monitor lights flashing.
Button or wall panel push button is flashing.
I hope this helps.
The remote control will not work.
The chamberlain liftmaster craftsman garage door opener wall buttons will flash when the opener is placed in lock out mode.
A blinking light on the garage door sensor isn t really cause for alarm but it does let the homeowner know that something s not working quite right.
This video describes how to set up a warning light inside your house to inform you that your garage door has been left open.
The constantly flashing wall.
I think this information will help you out while waiting for an expert answer.
The garage door opener flashing wall button is completely different from photo cell led light being out or the motor head led light flashing.
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I attached the link below.
It s important to note that when the lock button is on your garage door opener will only work from the switch located by the door.
If you continue having problems with your garage door light blinking after having tried these solutions the issue may be related to the logic board or a malfunction with the internal parts.
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I see your concern about your garage door opener not working with the remote and it s blinking lights.
I found a question in manage my life under the answers button that was similar to the one you asked.
To unlock your garage door opener push the lock button for 5 seconds.
Once you push this button the light on the garage door opener will flash twice.