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