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Microprocessor watchdog fault

Vacon · NX Liquid-Cooled Drive

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A microprocessor watchdog fault indicates faulty operation or a component failure within the drive's control unit. Subcode S1 points to a CPU watchdog timer issue, while S2 indicates an ASIC reset.

Vanlige årsaker

  • Microprocessor has encountered an unrecoverable error.
  • Internal hardware fault in the main control board.
  • Software crash or watchdog timeout.

Reparasjonssteg & Sjekkliste

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  1. 1

    Reset the fault and restart the drive.

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Verifisert teknisk data. Sist oppdatert: March 2026

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