Indicates replacement alternate frequency logic board.
Liftmaster garage door opener learn button.
Now press the learn button once.
Press and hold the learn button the led will turn on after 6 seconds the led will turn off.
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.
For chamberlain sears liftmaster craftsman 971lm 972lm 973lm 970lm transmitter 1 button 390 mhz security plus system for use with red learn button.
Use the chart below for reference.
Locate the learn button on your garage door opener.
Learn buttons that are red orange green or purple will be large square buttons located under the light lens on the back panel of your garage door opener.
If you need to clear the memory of your garage door opener press and hold your opener s learn button.
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.
Within 3 seconds of the led turning off press and hold the learn button again for 6 seconds.
It is usually located at the back of the opener.
If your garage door opener has a yellow learn button it utilizes the security 2 0 technology.
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.
This will clear out only the handheld remote controls and keyless entry.
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.