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.
Garage door opener remote won t work.
In most cases you ll see that the garage door starts opening again.
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.
You ll need to try replacing the batteries and trying the remote again.
The garage door remote won t work but the wall switch does check the batteries and electrical connections in the remote to make sure they are working correctly.
If the green light blinks on the wall control the lockout feature is on.
Many people like to use rechargeable batteries in order to reduce waste.
Press and hold the lock button for 2 seconds to disable the feature.
Remove the wires from the back of the door control.
The lock button feature disables all remotes.
To be sure that the batteries are always good use name brand quality batteries instead of discount brands.
The most common cause of garage door remote control failure are weak or dead batteries.
If they are working correctly the problem might be because of the safety sensors.
Test the remote controls.
If remote controls work reconnect the wires to door control and test.
Unplug the garage door opener and check the wiring connections on the panel.
Some garage doors have infrared sensors that shoot an invisible beam across the door.
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.
Quickly test the quality of your opener s wiring by following these steps.
If remote controls do not work then replace the wire.
If remote controls do not work replace the door control.
If remote controls continue to work then there was a loose connection with the wires.