Operating instructions RolloTron Comfort 1700/1740/1705 Y. Beenen Updated July 11, 2024 11:21 Follow Download PDF Related articles Operating instructions RolloTron Standard 1300/1340/1305 Simplest basic setting of the RolloTron Comfort 1700/1740/1705 Operating instructions RolloTron Comfort 1700/1740/1705 (Older version with up/down buttons) The motor no longer moves. Error display ER01, or the LEDs all flash in succession. How can the automatic function of a RolloTron belt winder be temporarily switched off?