F189, Internal communication: SCI - Control card to front card

The communication of the interface between the control card and the front card has failed.

Diagnostic Code (Hex.)

Diagnostic Code (Dez.)

F189

61833

Class

Type

Error

Runtime error

Standard Reaction

Reset

Nc handling

Execute Reset-Command (S-0-0099).

Possible Causes

Solutions

There is an internal hardware or software error.

Disconnect the servo drive from the mains (including the 24 V power supply) and start a new attempt. If this error occurs repeatedly, please call the Beckhoff branch office that is responsible for you.