If this occurs the remote control will have to be reprogrammed to the garage door opener.
Liftmaster garage door opener not working with remotes.
Liftmaster remote not working.
Remove the bell wire from the single button control station s terminals and operate the garage door opener from the remotes.
However if all the garage door openers stop working at the same time then most likely the garage door antenna is not attached properly or the garage door opener itself needs to be reset.
To reprogram your garage door remote locate then press your opener s learn button.
Before you can go about fixing your garage door remote you ll need to know how it works in the first place.
Disconnect the control station.
Then within 30 seconds hold the button on your remote for three seconds or until garage door opener s lights flash or the led light on your opener blinks.
Your remote is a radio transmitter.
When you press the button on your remote the opener on your garage door receives it.
See how to remove and replace the battery in my chamberlain remote control or how to remove and replace the battery in the klik series remote controls.
The most common reason for a garage door remote transmitter to stop working is a dead battery.
Try using your remote to open or close your door to determine if the reprogramming was successful.