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F7C4
No Communication After Resends
Mitsubishi Electric · MELSEC Q-series MELSECNET/H
Was bedeutet F7C4 ?
Communication failed persistently even after executing the designated number of resends. This indicates a fundamental communication breakdown that retries cannot overcome.
Häufige Ursachen
- Persistent network communication failure
- Issues with the target station
- Insufficient arrival monitoring time
Reparaturschritte & Checkliste
Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.
- 1
Increase the value of the arrival monitoring time in the system settings
- 2
Conduct a thorough check of the entire network infrastructure for physical faults or misconfigurations
- 3
Verify the operational status and configuration of the target stations
Verifizierte technische Daten. Zuletzt aktualisiert: March 2026
Verwandte Fehlercodes
Quelle: Mitsubishi Electric MELSEC Q-series MELSECNET/H