A7576 alarm in Siemens V70 Drive

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A7576 alarm in Siemens V70 Drive indicates Encoderless operation is active due to a fault. This means the drive detected a problem with the encoder and has automatically fallen back to an open-loop control mode. Cause: Encoderless operation is active due to a fault.

Remedy:
  • Remove the cause of a possible encoder fault.
  • Carry out a POWER ON (power off/on) for all components.

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