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.
Common Causes
- SSI encoder communication fault when configured as master.
- Incorrect SSI clock or data signal timing.
- SSI data packet corruption or missing start/stop bits.
- Faulty SSI encoder device in master mode.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Check configuration.
- 2
Check connected encoder.
Verified technical data. Last updated: March 2026
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Source: SEW Eurodrive MOVIDRIVE MDX60B/61B Variable Speed Drive