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F47 Code Help – Encoder Pulse Count Too Low

F47 (MMX/MMV): Encoder Problem

Code Meaning: The encoder is missing pulses.

Further Information/Troubleshooting Tips:

  1. Check to see if the encoder coupling has come loose. Tighten or fix as necessary.
  2. Check that your encoder is properly grounded. Consult the documentation or manual for your encoder as necessary.
  3. Run the drive in test mode (U49) with U48 set to 14 (and subsequently 15) to detect missing pulses. Check the wiring on the phase with the missing pulses.

Call PE® for further assistance.