Reprogram the remote resetting your remote may fix the problem if it has become deprogrammed.
Steel line garage door remote not working.
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.
As with many such problems the most common problem is the simplest one the motor unit has been unplugged.
Check to be sure the antenna is attached and if it is not hanging down from the unit move the antenna so it can catch the beam being sent by the remote.
Then check the height sensors to ensure they are working correctly.
If all seems normal have a professional check the springs as this may be the problem.
Then check the power source to make sure it s on.
If your device has screws remove them and open the panel.
Access the batteries by opening the panel on the back.
First make sure there is nothing physical obstructing the door.
If neither handset opens the garage door then try to re code the handsets to the operator.
If only one of the remote handsets does not work then try replacing batteries and if this does not work then purchase a replacement remote handset.
If only one of the remote handsets does not work then try replacing batteries and if this does not work then purchase a replacement remote handset.
The most common cause of garage door remote control failure are weak or dead batteries.
If you have power and you can hear the motor running but the door does not open.
To be sure that the batteries are always good use name brand quality batteries instead of discount brands.
If the remote works from inside the garage but not from the outside then most likely the antenna wire on the garage door opener itself may be damaged broken or not in visible range.
Check the batteries inspect and replace the batteries in your remote if they are flat.
The most common reason for a garage door remote transmitter to stop working is a dead battery.
If you have power and you can hear the motor running but the door does not open.
Unplug the opener and disconnect the two wires from the motor reconnect your machine to power then clear its memory and reprogram all remote controls unplug the device for a second time and reconnect the control wiring to.
The most common cause for remote not working is dead batteries.
When the garage door doesn t budge at all when the remote or wall switch pressed it s almost certain the power source has been disrupted in some way.
So check the batteries first.
Check the sensor make sure it is plugged in and clean the eye as it may have dust on it.