There are multiple reasons they can stop working.
Garage door remote not working when light is on.
When the light is on ie after opening the door we are unable to close it using the fob.
The most common cause of garage door remote control failure are weak or dead batteries.
The easiest and first step i suggest is trying to sync your remote again.
If you tried operating the garage door opener from both the remote control and the door control and the opener did not activate.
How to program chamberlain s universal remote control model klik3u to a garage door opener 9 17 2019 this video demonstrates how to program chamberlain s universal remote control model klik3u to a garage door opener with a yellow green red orange or purple learn button.
If the garage door opener is not powered up it won t work.
The clicking noise you are looking for is the sound that comes from the relay on the circuit board.
If the light is off the key fob works.
Hold your transmitter up near the selected button pressing both the garage door remote and the selected in car transmitter button simultaneously.
Hold down on the buttons until the in car red light flashes rapidly.
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.
Check the power supply.
The first thing you want to check is the socket your craftsman opener is connected to.
To be sure that the batteries are always good use name brand quality batteries instead of discount brands.
This sets the in car transmitter to be your garage door openers make transmitter but you are not done.
It s not uncommon for remote lenses to gather dirt over time so be sure to clean this area every now and then to ensure the signal can travel properly.
This is another simple problem to solve.
If we leave the car go into the garage and turn off the opener light from the wall mounted remote the key fob then works.
The eye on your remote is what transmits the signal to your garage door opener.
The circuit board on your garage door opener will have to be replaced if you want your light to function properly.
So get a ladder and place it under the opener.
To reprogram your garage door remote locate then press your opener s learn button.
My garage door fob will not work when the garage door opener light is on.
Here are the troubleshooting steps.
Garage door openers are great to have when they are working properly.