Some garage doors have infrared sensors that shoot an invisible beam across the door.
Garage door opener not working with remote.
It may also be that the mechanics of the door aren t working and so your opener is sending the signal to open but the door can t.
To be sure that the batteries are always good use name brand quality batteries instead of discount brands.
Use your garage door opener remote to test the functionality of your door.
Another common reason your garage door remote control might not work is because of a blown ground fault interpreter gfi.
The opener mechanic may have a fault where it doesn t receive the signal your remote is putting out.
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 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 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 they are working correctly the problem might be because of the safety sensors.
The most common cause of garage door remote control failure are weak or dead batteries.
If this still doesn t work then it may not be a problem with your opener at all.