AB F81 fault code meaning
AB / F81
Series: PowerFlex 40
Comm Loss
AC drive
Meaning: RS485 (DSI) port stopped communicating.
Possible causes
Source: Allen-Bradley PowerFlex 40 User Manual 22B-UM001 Table 4.A Fault Types P4-3~4-5
Series: PowerFlex 400
Comm Loss
AC drive
Meaning: RS485 (DSI) port stopped communicating.
Possible causes
Source:
Series: PowerFlex 700H
Port DPI Loss
AC drive
Meaning: The DPI port has stopped communicating. A SCANport device was connected to a drive operating DPI devices at 500k baud.
Possible causes
Source:
Series: PowerFlex Digital DC (700DC)
Port 1 DPI Loss
DC drive
Meaning: DPI communication to port 1 lost
Possible causes
Source: