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.
Steel line garage door remote not working.
Check the sensor make sure it is plugged in and clean the eye as it may have dust on it.
Access the batteries by opening the panel on the back.
Then check the height sensors to ensure they are working correctly.
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.
Reprogram the remote resetting your remote may fix the problem if it has become deprogrammed.
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.
The most common cause of garage door remote control failure are weak or dead batteries.
The most common cause for remote not working is dead batteries.
First make sure there is nothing physical obstructing the door.
Check the batteries inspect and replace the batteries in your remote if they are flat.
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.
To be sure that the batteries are always good use name brand quality batteries instead of discount brands.
The most common reason for a garage door remote transmitter to stop working is a dead battery.
As with many such problems the most common problem is the simplest one the motor unit has been unplugged.
If you have power and you can hear the motor running but the door does not open.
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.
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 your device has screws remove them and open the panel.
If you have power and you can hear the motor running but the door does not open.
So check the batteries first.
If neither handset opens the garage door then try to re code the handsets to the operator.
Then check the power source to make sure it s on.
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.
Quickly test the quality of your opener s wiring by following these steps.