Note on fault memory, vario roof (VR) - AD77.50-P-2000-27A
If the variable roof fault memory is erased, the fault memory in the combined control module is also erased automatically.
Note on fault code
A fault is active if its fault code is shown against a black background. Depending on the nature of the fault, detailed information on the fault or excerpts of such information in addition appears in most cases.
>Ω Resistance too high
<Ω Resistance too low
Short circuit to ground towards positive
Short circuit to ground towards negative
Line interruption