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3020H

Safety mutual monitoring error

Mitsubishi Electric · MELSEC iQ-R I/O Module

Was bedeutet 3020H ?

A moderate error was detected in the counterpart device involved in mutual monitoring for safety functions. This indicates a problem within the inter-device safety communication or logic, which can compromise the overall safety integrity of the system.

Häufige Ursachen

  • A moderate error state has occurred in the interconnected device that participates in safety mutual monitoring.

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Access the counterpart device and check its specific error code(s) reported in its diagnostics.

  2. 2

    Take appropriate corrective actions based on the error code(s) found on the counterpart device.

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Verifizierte technische Daten. Zuletzt aktualisiert: March 2026

Verwandte Fehlercodes

Quelle: Mitsubishi Electric MELSEC iQ-R I/O Module