Beckhoff FC1028, Manual

Page: 25 / 32

Error handling and diagnostics
FC1028 25 Version: 1.0
5 Error handling and diagnostics
5.1 Diagnostic LEDs
The LEDs on the FC1028 EtherCAT card indicate the state of the connection. The LEDs are numbered from
P01 to P16 and correspond to the interfaces X1 to X8.
Fig. 12: Diagnostic LEDs P01 to P16, FC1028 EtherCAT card.
An LED (LINK/ACT) lights up green when there is a connection to a network. The LED flashes when data
transfer on the interface is in progress.
5.2 Faults
Table 5: Possible faults and their correction.
Fault Cause Measures
The FC1028 EtherCAT card cannot
be scanned under TwinCAT. BIOS settings not configured
correctly. Disable the option Memory
Mapped I/O above 4 GB in the
BIOS (see: BIOS settings [ } 11] ).