The color of the learn button antenna and learn button led can help to determine the technology of a chamberlain liftmaster or craftsman residential garage door opener.
Liftmaster garage door opener learn button.
Indicates replacement alternate frequency logic board.
You may need to open the light cover to find it.
The light located above the button will then come on and stay lit for 30 seconds.
This will clear out only the handheld remote controls and keyless entry.
Now press the learn button once.
The learn button allows you to program compatible remotes to your garage door opener.
You may notice that different garage door openers have different colored learn buttons.
Garage door opener remote compatibility chart select from a range of liftmaster remote controls that are compatible with your garage door opener.
Look under the garage door opener light cover on the same side as the antenna to find the learn button.
If your garage door opener has a yellow learn button it utilizes the security 2 0 technology.
2pcs garage door opener remote red learn button 315 433mhz for liftmaster sears.
If you need to clear the memory of your garage door opener press and hold your opener s learn button.
It is usually located at the back of the opener.
These colors are important as they let you know what frequency your garage door openers receiver operates on and thus what remotes and keypads will be compatible with your opener.
Within 3 seconds of the led turning off press and hold the learn button again for 6 seconds.
Use the chart below for reference.
For chamberlain sears liftmaster craftsman 971lm 972lm 973lm 970lm transmitter 1 button 390 mhz security plus system for use with red learn button.
Press and hold the learn button the led will turn on after 6 seconds the led will turn off.