Weidmüller UC20-SL2000-EC-CAN Manual page 75

Controller/indicator
UC20-SL2000-EC , UC20-SL2000-EC-CAN
Power LED
System failure
Bus failure
Maintenance
Controller status
Connection/active connection 1
Connection/active connection 2
Input supply voltage
Output supply voltage
2604080000/03/08.2020
LED Status
green: supply voltage present, bootloader/firmware
PWR
is running
red: system bus failure
SF
red: field bus failure
BF
yellow: communication error with module
MT
green: application running
RUN
green flashing: application stopped
yellow: operating system running
yellow flashing: system update running
red: serious system failure
L/A X1 off: no connection
green: connection of controller connection 1 with an
additional field device established
green/yellow flashing: data being exchanged on
connection 1
L/A X2 off: no connection
green: connection of controller connection 2 with an
additional field device established
green flashing/yellow: data being exchanged on
connection 2
green: input current path supply voltage > 18 V DC
3.1
red: input current path supply voltage < 18 V DC
3.2
red: internal fuse defective
3.4
green: output current path supply voltage > 18 V DC
4.1
red: output current path supply voltage < 18 V DC
4.2
red: internal fuse defective
4.4
Manual u-control
12 LED indicators and troubleshooting
Recommended action
–
Read off the diagnostic message from the engineering
tool and determine which further actions to take
Check whether modules are mounted correctly
Check if the configured station setup matches the
actual setup
Read off the diagnostic message from the engineering
tool and determine which further actions to take
–
–
Start the application using the engineering tool
Wait until the application is running
Wait until update is finished
–
Check Ethernet cable
–
–
Check Ethernet cable
–
–
–
Check supply voltage
Replace the controller
–
Check supply voltage
Replace the controller
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