Led Indicators And Troubleshooting - Weidmuller UR20-4COM-IO-LINK Manual

9 Diagnostics and troubleshooting | LED indicators and troubleshooting
9.3

LED indicators and troubleshooting

LED
Status LED
Channel LED
1.1 ... 4.1
1.2 ...4.2
1.4 ... 4.4
56
Status
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
Yellow: – Status COM 1 ... COM 4
Red: – Fehler IO-Link port 1 ... IO-Link port 4
Yellow: – Status DI 1 ... DI 4
Manual Communication module UR20-4COM-IO-LINK
Recommended action
– Check the supply voltage
– Check that the module has been snapped into place
properly
– Check the configuration
–
– Check the wiring
– Check the configuration
–
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