How Does A Remote Garage Door Opener Work

The fob that you carry on your keychain or use to open the garage door is actually a small radio transmitter.

How does a remote garage door opener work.

To reprogram your garage door remote locate then press your opener s learn button. Someone could still capture that code but it won t be used again hear that. The remote sends a code to the receiver. When you push a button on the fob you turn on the transmitter and it sends a code to the receiver either in the car or in the garage.

You press hold and release the buttons in the pattern specified in the instructions and the. If you purchase the remote for your particular brand of garage door programming is usually simple. When you push the button on your garage door opener remote or inside your garage the transmitter sends a code to the receiver which is tuned to the same frequency as the transmitter. The garage door opener s built in radio receiver obtains the signal verifies if the security code is correct and then operates the motor.

Then within 30 seconds hold the button on your remote for three seconds or until garage door opener s lights flash or the led light on your opener blinks. Try using your remote to open or close your door to determine if the reprogramming was successful. But first here is how it works in a few sentences. When you click your garage door remote it sends a signal to the opener.

Once the radio receiver on the opener gets the signal from the remote transmitter it activates a relay that starts the motor running. When garage door remotes and openers first came out they were simple radio transmitters and receivers so any garage door remote could open any garage door.