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.
The lock button feature disables all remotes.
In most cases you ll see that the garage door starts opening again.
If they are working correctly the problem might be because of the safety sensors.
Press and hold the lock button for 2 seconds to disable the feature.
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.
Quickly test the quality of your opener s wiring by following these steps.
If remote controls work reconnect the wires to door control and test.
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.
Many people like to use rechargeable batteries in order to reduce waste.
You ll need to try replacing the batteries and trying the remote again.
To be sure that the batteries are always good use name brand quality batteries instead of discount brands.
If remote controls do not work replace the door control.
If the garage door opener lights blink twice when you press the remote check the wall control to see if you have the lock feature enabled.
Unplug the garage door opener and check the wiring connections on the panel.
Test the remote controls.
Some garage doors have infrared sensors that shoot an invisible beam across the door.
If the green light blinks on the wall control the lockout feature is on.
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.
On the subject of batteries the type that you use in the remote is important.
If remote controls do not work then replace the wire.
The most common cause of garage door remote control failure are weak or dead batteries.