Chapter 12 LED Indicators and Troubleshooting
GFK-2958E RSTi-EP User Manual 402
EPXMBE001/EPXMBE101
Off, and the status LED of the
module is green: Defective
network adapter
Have the network adapter repaired or
replaced
The internal fuse was triggered due to an
overload
Off, and the module status LED is
off: Improper supply voltage
Red: Configuration error, or error in
the network adapter, or error in a
module, or there is a new
diagnostic message
Check if the configured station setup matches
the actual setup
Read the diagnostic message with the web
server or an engineering tool and determine
which further actions to take
Red flashing: Station in Force
mode
Red: No connection to the fieldbus
Check the fieldbus cable and the PLC
configuration
Red flashing: Configuration error,
no connection to the control unit,
or error in the parameter set
Check if the configured station setup matches
the actual setup
Check the master configuration and try again
to establish connection
Yellow: Error on the system bus or
the fieldbus
Check that the modules have been snapped
into place properly
Check the fieldbus cabling
Check the fieldbus connection parameters
Green: Connection established
between port 1 of the network
adapter and another field device
Green flashing: Data being
exchanged on port 1
Check the connection to the next participant
and the fieldbus cable
Green: Connection established
between port 2 of the network
adapter and another field device
Green flashing: Data being
exchanged on port 2
Check the connection to the next participant
and the fieldbus cable
Green: Supply voltage for input
current path > 18 V DC
Red: Supply voltage for input
current path < 18 V DC
Red: Internal fuse defective
Replace the network adapter
Green: Supply voltage for output
current path > 18 V DC