Cause : Topology: Drive object number does not exist in configuration. p0978 contains a drive object number that does not exist.

Alarm value (r2124, interpret decimal):

Index of p0978 under which the drive object number can be determined.

Remedy: Set p0009 to 1 and change p0978:

Rules:
- p0978 must include all of the drive object numbers (p0101).
- it is not permissible for a drive object number to be repeated.
- by entering a 0, the drive objects with PZD are separated from those without PZD.
- only 2 partial lists are permitted. After the second 0, all values must be 0.
- dummy drive object numbers (255) are only permitted in the first partial list.