Most modern garage door remotes transmit at 315 mhz.
Liftmaster garage door opener not working with remotes.
It is also possible for the remote control to lose communication with the garage door opener.
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.
To reprogram your garage door remote locate then press your opener s learn button.
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.
When you press the button on your remote the opener on your garage door receives it.
Try using your remote to open or close your door to determine if the reprogramming was successful.
Disconnect the control station.
When your liftmaster garage door opener opens and closes by itself here are the troubleshooting tips you need to follow.
Before you can go about fixing your garage door remote you ll need to know how it works in the first place.
Liftmaster remote not working.
If this occurs the remote control will have to be reprogrammed to the garage door opener.
Remove the bell wire from the single button control station s terminals and operate the garage door opener from the remotes.