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 wont open with remote.
If the door opens with the wall switch a simple battery.
These prevent the operation of the garage door opener with hand held remotes.
Some garage doors have infrared sensors that shoot an invisible beam across the door.
Garage door openers are great when they work which is most of the time.
When you manually push the button on the receiver does the door activate.
When your garage door won t open with the remote there are few things that can cause this problem.
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You might be out of range.
If your garage door won t open with remote activation the problem could be the result of an expired battery in your remote transmitter.
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.
Make sure it is hanging down from the motor.
Replacing the remote s batteries was a smart first step but since.
If they are working correctly the problem might be because of the safety sensors.
Quickly test the quality of your opener s wiring by following these steps.
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.
When the liftmaster wall station is locked you will notice a blinking green light in the center of the large white push button.
But it sure can be frustrating when they go on the fritz.
The first thing to check is the transmission receiver on the inside wall of your garage.