By02-vbp-s Manual !!link!! Link
This indicates a missing start command or incorrect control source. Per the by02-vbp-s manual , check parameter F07 (Command source). Set to 0 for keypad control, 1 for terminal control.
: Place the detergent suction tube onto the fitting. Align the tongues of the dosage regulator with the recesses in the casing and secure with two screws. Hose Connections Attach the high-pressure hose by02-vbp-s manual
Most genuine units have a QR code etched on the side panel. Scanning this with a smartphone will redirect you to a PDF version of the specific to your hardware revision. This indicates a missing start command or incorrect