Operating instructions RolloTron Pro Star 9900 F. Tepaße Updated August 15, 2022 14:43 Follow Download PDF Related articles Operating instructions RolloTron Pro Comfort 9700 Successor list RolloTron, successors of older RolloTron devices. Electronic belt winders Operating Instructions RolloTron Comfort 9600 The motor no longer moves. Error display ER01, or the LEDs all flash in succession.