Emerson PACSystems RSTi-EP - Page 83

User Manual Section 4
GFK-2958L May 2021
Detailed Descriptions of the Fieldbus Network Adapters 69
LED Indicators
LED
EPXPNS001/ EPXPNS101
Power Supply
Green: Supply voltage > 18Vdc
Red: At least one current path < 18 V
3.1
Green: Input current path supply voltage >
18Vdc
3.2
Red: Input current path supply voltage <
18Vdc
3.3
3.4
Red: Internal fuse defective
4.1
Green: Output current path supply
voltage > 18Vdc
4.2
Red: Output current path supply voltage <
18Vdc
4.3
4.4
Red: Internal fuse defective
For error messages, refer to Section 12, LED Indicators and Troubleshooting.