F1001 fault in siemens sinamics V90 drive

F1001 fault in siemens sinamics V90 drive indicates a FloatingPoint Exception. This means the internal processor attempted an invalid mathematical operation, usually caused by a firmware bug. 

Cause:
An exception occurred during an operation with the FloatingPoint data type.

Remedy:
  • Carry out a POWER ON (power off/on) for all components.
  • Upgrade firmware to the latest version.
  • Contact the Hotline.

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