Stand within 20 feet of your garage door and attempt pressing the button if your remote is further away from the door the signal won t be strong enough to prompt the door.
Garage door remote signal weak.
On most of the newer garage door openers there is a little led light next to the learn button on the back of the opener.
Clip the remote control onto a sun visor in the vehicle instead of a metal ash tray or metal dash board that can.
If you watch that little light while you push the button on your remote you will see it flash.
Press the learn button on your garage door motor to reset the current codes and transmitters and wait for the red indicator light to begin blinking.
Test the opener that has the poor range.
Before installing the extension kit move any metallic objects that may obstruct the signal between the remote control.
If the bad opener suddenly has good range again then the other unit in your garage is causing rf interference.
It flashes because it s hearing the radio signal from your transmitter remote.
Step 2 press the open button on your remote transmitter three times while inside of your garage and pointed at the motor.