Cause : Drive encoder trip- Servo mode phasing failure because encoder phase angle (Pr 3.25 or Pr 21.20) is incorrect.

1. Check the encoder wiring.
2. Perform an autotune to measure the encoder phase angle or manually enter the correct phase angle into Pr 3.25 (or Pr 21.20).
3. Spurious Enc10 trips can be seen in very dynamic applications.
4. This trip can be disabled by setting the overspeed threshold in Pr 3.08 to a value greater than zero.
5. Caution should be used in setting the over speed threshold level as a value which is too large may mean that an encoder fault will not be detected