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F71
Net Loss
Allen-Bradley · PowerFlex 4 Adjustable Frequency
Was bedeutet F71 ?
This fault occurs when communication is lost with the network connected to the drive. This means the drive is no longer receiving commands or transmitting data via its communication interface.
Häufige Ursachen
- Loss of communication with the main control network (e.g., Ethernet/IP, Profibus).
- Faulty network cable or connector.
- Network switch or router malfunction.
- Incorrect network configuration (IP address, station address).
Reparaturschritte & Checkliste
Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.
- 1
Verify the physical network cable connection to the drive's communication port (e.g., RS485/DSI terminals 8 and 1).
- 2
Check the operational status of other devices on the communication network for faults or disconnections.
- 3
Ensure all network communication parameters (e.g., A103 [CommData Rate], A104 [CommNode Addr], A107 [CommFormat]) are correctly configured and match the network settings.
Verifizierte technische Daten. Zuletzt aktualisiert: March 2026
Verwandte Fehlercodes
Quelle: Allen-Bradley PowerFlex 4 Adjustable Frequency