F109-64
Plausibility fault - SSI encoder connection (master mode)
SEW Eurodrive · MOVIDRIVE MDX60B/61B Variable Speed Drive
What does F109-64 mean?
The connected encoder type does not correspond to the configuration for an SSI encoder operating in master mode. This indicates a mismatch in setup.
Source: SEW Eurodrive MOVIDRIVE MDX60B/61B Variable Speed Drive
Open Manual (Page 214)