For Novoferm Novotron Garage Door Remote Control Key Fob Rolling Code 433mhz
NOVOTRON 502 MAX43-2. NOVOTRON 504 MAX43-4. NOVOTRON 512 MIX 43-2. Code: Rolling Code. Let the button go. MINI-NOVOTRON 522. Open the casing of your receiver. It is located next to your motor.