Check the batteries the most common cause of garage door remote control failure are weak or dead batteries.
How to fix a garage door opener remote not working.
If it is within range but still does not work there are ways to fix it.
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Unplug the opener and disconnect the two wires from the motor.
If they are working correctly the problem might be because of the safety sensors.
Some garage doors have infrared sensors that shoot an invisible beam across the door.
If pressing the button on your garage door s remote control doesn t work check the batteries first.
To do this with your remote all you need to do is remove the batteries for about 30 seconds.
Quickly test the quality of your opener s wiring by following these steps.
Other issues could be a bad battery or even an led bulb causing interference.
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Simple but true the remote transmitter needs power to send a signal to your opener.
Check the receiver for power if the remote.
Unplug the device for a second time and reconnect the control wiring to the motor.
The easiest and first step i suggest is trying to sync your remote again.
Check the batteries and electrical connections in the remote to make sure they are working correctly.
Reconnect your machine to power then clear its memory and reprogram all remote controls.