F108-99

Internal CPU fault

SEW Eurodrive · MOVIDRIVE MDX60B/61B Variable Speed Drive

What does F108-99 mean?

An internal fault has been detected within the CPU of the DCS..B option. This indicates a critical hardware or firmware issue with the processing unit.

Source: SEW Eurodrive MOVIDRIVE MDX60B/61B Variable Speed Drive
Open Manual (Page 209)