Before installing the extension kit move any metallic objects that may obstruct the signal between the remote control.
Garage door opener signal weak.
Clip the remote control onto a sun visor in the vehicle instead of a metal ash tray or metal dash board that can.
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.
Oftentimes when your garage door opener remote stops working it is because the remote transmitter has lost its signal with the motor.
If you watch that little light while you push the button on your remote you will see it flash.
Make sure that the antenna on the motor unit is hanging downward and is not damaged in any way.
To isolate potential sources of interference turn the circuit breaker off to the garage and plug the garage door opener into an extension cord from another room.
Any electrical device can be the source of the problem.
Troubleshooting a lost signal on your remote is as easy as resetting the old signal on the motor opener and equipping your transmitters with new signals.
It flashes because it s hearing the radio signal from your transmitter remote.
Test the opener that has the poor range.
The remotes work by electronically sending a signal to the motor inside your garage allowing you to open and close the door.
Multiple garage door opener troubleshooting test start by unplugging the opener that has good range powering down this unit.