F109-166
Plausibility fault SSI encoder connection (slave mode)
SEW Eurodrive · MOVIDRIVE MDX60B/61B Variable Speed Drive
What does F109-166 mean?
The connected encoder type does not correspond to the configuration for an SSI encoder operating in slave mode. This indicates a mismatch in setup.
Common Causes
- Faulty SSI encoder connection in slave mode.
- Incorrect wiring of SSI encoder signals (clock, data).
- Parameter P0205 setting for SSI slave mode incorrect.
- SSI encoder data transmission errors or timeout.
- Clock signal issue from the SSI encoder to the slave drive.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Check encoder connection and cabling.
- 2
Check the connected encoder.
Verified technical data. Last updated: March 2026
Related Faults
Source: SEW Eurodrive MOVIDRIVE MDX60B/61B Variable Speed Drive