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Wrong run fault (FWD/REV conflict)

Vacon · 20 Compact

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This fault occurs when both the run forward and run backward commands are simultaneously active (high) via the digital input signals. This is a conflicting command input that prevents proper motor operation.

Häufige Ursachen

  • Emergency stop button has been activated.
  • External safety device has triggered an emergency stop.
  • Internal safety circuit condition requires an emergency stop.
  • Emergency stop signal is continuously active.
  • Fault in the wiring of the emergency stop circuit.

Reparaturschritte & Checkliste

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  1. 1

    Check the I/O control signals (e.g., DI1 for Start forward, DI2 for Start reverse) to ensure that both forward and reverse commands are not active at the same time.

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Verifizierte technische Daten. Zuletzt aktualisiert: March 2026

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