The electronic board can store a maximum of 15 remote control buttons.
If the radio memory is full, it will not be possible to add other radio elements to it.
The board has an animation of LEDS informing you of this status when programming is attempted.
When confirming step 1 by pressing the OK button briefly, instead of the L1 and L4 LEDs flashing, the board will rapidly light up all its red LEDs twice.