A31412 alarm in Siemens V70 Drive

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A31412 alarm in Siemens V70 Drive indicates an Error bit set in the serial protocol. This means the absolute encoder detected an error and is broadcasting a fault bit across the serial communication link. Cause: The encoder sends a set error bit via the serial protocol.

Remedy:
  • Carry out a POWER ON (power off/on) for all components.
  • Check that the encoder cables are routed in compliance with EMC.
  • Check the plug connections.
  • Replace the encoder.

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