Operating instructions RolloTron Standard DuoFern 1400/1405/1440 Y. Beenen Updated April 12, 2024 07:59 Follow Download PDF Related articles Operating instructions RolloTron Comfort DuoFern 1800/1840/1805 Operating instructions RolloTron Comfort 1700/1740/1705 Operating instructions RolloTron Basis DuoFern 1200 Activate login mode: RolloTron Standard DuoFern 1400/1405/1440 Downloads hand control unit 9493