Error handling and diagnosis
BC8050 und BC815080 Version: 3.0.0
7.2 Diagnostic LEDs
The Bus Coupler features status indicator LEDs. The row of LEDs on the left describes the status of the
fieldbus and of the PLC. The row of LEDs on the right indicates the supply voltage and the K-Bus state.
Fig.62: LEDs
LEDs for power supply diagnostics
LED (Power LEDs) Meaning
LED Us LED off: No power supply (24 V
DC
) for electronics and K-Bus supply connected
LED Up LED off: No power supply 24V
DC
connected at the power contacts
LEDs for K-Bus diagnostics
LED (Power LEDs) Meaning
LED RUN LED off: no K-Bus update, LED on, flashing: K-bus running
LED ERR LED off: no error, LED flashing: see K-Bus error code
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