Error Handling And Diagnostics; Diagnostic Leds - Beckhoff EK18 Series Documentation

Error handling and diagnostics

7 Error handling and diagnostics
7.1

Diagnostic LEDs

Fig. 47: Diagnostic LEDs
LEDs for power supply diagnostics
LED Display
Us green off
on
Up green off
on
Diagnostic LEDs for the EtherCAT State Machine/PLC
LED Display
RUN gree off
n
flashing
single
flash
on
flickers
54
State Description
- No operating voltage present at the Bus Coupler
- 24 V
DC
- No power supply present at the power contacts
- 24 V
DC
State Description
Init The Bus Coupler is in initialization state
Pre-Operational The Bus Coupler is in pre-operational state
Safe- The Bus Coupler is in safe-operational state
Operational
Operational The Bus Coupler is in operational state
Bootstrap Firmware is being loaded.
Version: 2.2
operating voltage present at the Bus Coupler
power supply present at the power contacts
EK18xx