Diagnostic LEDs

Display

LED

Meaning

Diagnostic LEDs 1:

TC

TwinCAT status LEDs:
TwinCAT is in Run Mode (green).
TwinCAT is in Stop Mode (red).
TwinCAT is in Config Mode (blue).

EC RUN

EtherCAT status LEDs:
In OP mode (green).
In PRE-OP mode (green), flashing 200 ms on/off.
In SAFE OP mode (green), flashing 200 ms on/ 1000 ms off.
INIT mode (off).

EC ERR

OK (off)
On (red), not configured