10. TROUBLESHOOTING
IMR02E20-E1
103
PROFINET
Problem Probable
cause
Solution
No response
Wrong connection, no connection
or disconnection of the
communication cable
Confirm the connection method or
condition and connect correctly
Breakage, wrong wiring, or
imperfect contact of the
communication cable
Confirm the wiring or connector and
repair or replace the wrong one
NS lamp: OFF
No connection with IO Controller
(PROFINET master)
Confirm the connection method and
condition and connect the IO
Controller correctly.
NS lamp:
A green lamp is 1 flash *
IO Controller (PROFINET master)
in STOP state, or IO data bad
Get the IO Controller (PROFINET
master) into RUN state.
NS lamp:
A red lamp is 1 flash *
Station Name not set
Set the Station Name using the
engineering software.
NS lamp:
A red lamp is 2 flashes *
IP address not set
Set IP address using the engineering
software.
NS lamp:
A red lamp is 3 flashes *
Configuration error
(Expected Identification differs
from Real Identification)
Make a proper configuration using the
engineering software.
NS lamp: ON (red)
Module error
Turn off the power to the instrument.
If the same error occurs when the
power is turned back on, please contact
RKC sales office or the agent.
MS lamp:
A green lamp is 1 flash *
Diagnostic event(s) present
MS lamp: ON (red)
Major fault
(COM-ML failure)
Replace COM-ML
Link/Activity lamp: OFF
Link has not been established.
Destination is not on the line.
Confirm that the power supply is ON
and the Ethernet cable is connected
correctly. Then permit the connection
of the destination device.
* The following flashing sequence is repeated.
3 flashes:
0 250
500 750
1000
1250
1500
1750
2000 (ms)
ON
OFF ON
ON
OFF
OFF
1 flash:
0 250
500 750
1000 (ms)
ON
OFF
2 flashes:
0 250
500 750
1000
1250
1500 (ms)
ON
OFF ON
OFF
