F503, Internal communication error

Communication problems between control card and driver card.

Diagnostic Code (Hex.)

Diagnostic Code (Dez.)

F503

62723

Class

Type

Error

Runtime error

Standard Reaction

Reset

Nc handling

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

Possible Causes

Solutions

The motor plugs (X13 or X23) are not firmly screwed onto the AX5000. Possible leakage currents do not flow via the housing to the rear panel, but through the AX5000 and cause malfunctions there.

Screw the motor plug(s) firmly to the AX5000.

The AX5000 is not screwed firmly enough to the rear panel. Possible leakage currents do not flow via the housing to the rear panel, but through the AX5000 and cause malfunctions there.

Screw the AX5000 firmly to the metallic rear panel.