Oversetter...
F7C4
No Communication After Resends
Mitsubishi Electric · MELSEC Q-series MELSECNET/H
Hva betyr F7C4 ?
Communication failed persistently even after executing the designated number of resends. This indicates a fundamental communication breakdown that retries cannot overcome.
Vanlige årsaker
- Persistent network communication failure
- Issues with the target station
- Insufficient arrival monitoring time
Reparasjonssteg & Sjekkliste
Klikk på steg for å spore fremgangen.
- 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
Verifisert teknisk data. Sist oppdatert: March 2026
Relaterte feilkoder
Kilde: Mitsubishi Electric MELSEC Q-series MELSECNET/H