Operating instructions Troll Basic DuoFern 5615 Y. Beenen Updated April 17, 2024 09:31 Follow Download PDF Related articles Operating instructions Troll Comfort DuoFern 5665 Information about the Troll Basis DuoFern 5615 Activate login mode: Troll Base DuoFern 5615 Instruction manuals Troll Standard 5620 Information about the Troll Comfort DuoFern 5665