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Chapter 12. Diagnostics
LED Pattern
EOK (OFF)
LAN (OFF)
STAT (OFF)
EOK (Slow blink)
LAN (Slow blink)
STAT (Slow blink)
All LEDs blink in unison.
EOK (Slow blink)
LAN (OFF)
STAT (OFF)
EOK Blinking error code
LAN Off
STAT Off
EOK (Slow blink)
LAN (ON/Traffic/OFF)
STAT (Slow blink)
EOK and STAT blink in
unison.
EOK (ON)
LAN (ON/Traffic/OFF)
STAT (ON/OFF)
210
PACSystems* RX7i & RX3i TCP/IP Ethernet Communications User Manual
Where
Possible Cause
Stopped
A
Fatal Hardware
Error.
Hardware
Failure
B
Software corrupt.
Software
Loader
C
Did not configure
slot using the PLC
Programmer.
Waiting for
Configuration
CPU not
from PLC
communicating
with Ethernet
Interface.
(Condition can last a
maximum of 5
minutes.)
Unrecoverable
hardware or
runtime failure
D
Interface's IP
address has not
been configured or
Waiting for IP
has been
Address
configured as
0.0.0.0.
E
If the LAN LED is
OFF, the problem
may be network
Operational
cable not
connected
If the STAT LED is
OFF, an exception
condition has
occurred.
Corrective Actions
Make sure the PLC has power.
Examine Controller Fault Table
for clues.
Recheck PLC Programmer
configuration.
Power off baseplate, inspect the
Interface for loose components,
reseat the module, and Restart.
If the problem persists, replace
the PLC hardware.
Connect a PC Software Loader
and load new software.
Use the PLC Programmer
configuration software to
configure the Interface then
store the configuration to the
PLC CPU.
Power cycle the PLC.
Clear faults and Restart
Interface.
See the list of blink codes on the
next page.
Use the PLC Programmer to
configure the Interface with a
non-zero IP address.
Assign IP address over network
Connect cable.
Examine Controller Fault Table to
find out why the STAT LED is OFF.
GFK-2224Q
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Table of Contents
Troubleshooting
