Lupo 6X1 MJ 2002: Faulty Heating Control System (Solution)

Heating regulation without function.

Cause:
The cable from the heating unit is not properly routed. This incorrect routing can impede or even block the movement of the rotary switches.
Defroster flap linkage: loose, detached, pinched, strained, misaligned.
Mounting clips for hinge rods are loose and not assembled.

Solution:
Spare part. Check the routing of the cable for the heating device and, if necessary, reposition it correctly.
Trains - Installation and adjustment of heating and air conditioning systems.