Check the battery contacts.
Garage door works but not remote.
The most common reason for a garage door remote transmitter to stop working is a dead battery.
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This may sound obvious but your garage door transmitters need power to work.
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 batteries in your transmitter are dead the transmitter won t be able to send a signal to your garage door to open.
Dirty worn or wet contacts inside of the battery case inhibit the electrical current.
Some garage doors have infrared sensors that shoot an invisible beam across the door.
Simple but true the remote transmitter needs power to send a signal to your opener.
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.
Quickly test the quality of your opener s wiring by following these steps.
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.
If the door opens when you press the button on the wall mounted control keypad but not when you use the remote you might have just pinpointed the source of the problem.
The transmitter batteries are dead.
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.
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.
If they are working correctly the problem might be because of the safety sensors.
Try resetting the remote.
To help you troubleshoot your garage door issues here are the top 10 reasons your garage door won t work.