Error handling and diagnosis
EK9300
55
Version: 3.2.6
LED DIAG
PROFINET diagnosis
Meaning
green
red
Flashing, PN controller
identification
500 ms
500 ms
The PN controller is transmitting an
identification signal
No AR established
off
200 ms flashing The establishment of a connection
with the controller has not been
completed
Device is in IO exchange
Error display of Outputs CR is
set to module differences
1 s off, 200 ms on
off
Problem with establishment of a
connection or nominal and actual
configuration differ
Device is in IO exchange but
provider is in stop
200 ms
off
Coupler is in data exchange, but PLC
is in stop
Device is in IO exchange
on
off
OK
LED power supply terminal
Fig. 42: LED power supply terminal
Operation with E-bus terminals
Display LED
Description
Meaning
1 Us 24 V (top left, 1
st
row)
CX8000 supply voltage
on: connected to: 24 V
2 Up 24 V (top right, 1
st
row)
Power contacts supply voltage
on: connected to: 24 V
3 L/A (left center, 2
nd
row)
EtherCAT LED
flashing green: EtherCAT
communication active
on: E-bus connected / no data traffic
off: E-bus not connected