9 Diagnostics and troubleshooting
| LED indicators and troubleshooting
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2547720000/03/09.2019
Manual Communication module UR20-4COM-IO-LINK
9.3 LED indicators and troubleshooting
LED
Status
Recommended action
Status LED
Red:
–
Error in the supply voltage at input current path
–
Communication error on the system bus
–
Configuration error IO-Link
–
There is a new diagnostic message
–
Check the supply voltage
–
Check that the module has been snapped into place
properly
–
Check the configuration
Channel LED
1.1 ... 4.1
Yellow:
–
Status COM 1 ... COM 4
–
1.2 ...4.2
Red:
–
Fehler IO-Link port 1 ... IO-Link port 4
–
Check the wiring
–
Check the configuration
1.4 ... 4.4
Yellow:
–
Status DI 1 ... DI 4
–
Содержание UR20 Series
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