User Manual
Section 4
GFK-2958L
May 2021
Detailed Descriptions of the Fieldbus Network Adapters
68
4.2.1
LEDs
Figure 24:LED
Status
Indicators EPXPNS001/EPXPNS101
LED Status Indicators EPXPNS001/ EPXPNS101
LED
Indication
LED State/Description
PWR
Power LED
Green: Supply voltage connected
SF
System fault
Red: Configuration error, or error in the PROFINET Scanner,
or error in a module, or there is a new diagnostic report
Red flashing: Station in Force mode
BF
Bus fault
Red: No connection to the fieldbus
Red flashing: Configuration error, no connection to the
control unit, or error in the parameter set
MT
Maintenance Required Yellow: Error on the system bus or the fieldbus
LINK 1
Connection
Green: Connection established between port 1 of the
PROFINET Scanner and another field device
ACT 1
Active
Yellow flashing: Data being exchanged on port 1
LINK 2
Connection
Green: Connection established between port 2 of the
PROFINET Scanner and another field device
ACT 2
Active
Yellow flashing: Data being exchanged on port 2