KEB COMBIVERT F5 Reference Manual page 260

DG - Diagnostics Parameters (Combivis only)
DG80
Easy Direction
DG93
Fault Log (Count)
DG94
Fault Log (Timestamp)
DG99
Last Fault
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This parameter displays the Easy Direction and digital output status. DG80
can be monitored by controllers that utilize serial speed control via the
FB13-16 PDO mappings and is only visible with Combivis
Displays the type and number of drive faults logged.
Displays the date and time of the drive faults logged in DG93.
Displays the last fault generated by the drive.