GE GFK-1004B Manuel D’Utilisation

2-10

TCP/IP Ethernet Communications User’s Manual – January 1996

GFK-1004B

Problems During Power-Up

The Ethernet Interface may not transition directly to the Operational State upon power–
up or restart. It may stop in another state or a fault may have been detected. Refer to
the table below for possible states your Ethernet Interface can assume after completion
of power-up diagnostics.

ÁÁÁÁÁÁÁ

LED Pattern

ÁÁÁÁÁÁÁÁ

Where Stopped

ÁÁÁÁÁÁÁÁÁ

Possible Cause

ÁÁÁÁÁÁÁÁÁÁ

Corrective Actions

ÁÁÁÁÁÁÁ

MODULE OK On
STATUS OK Blinking

ÁÁÁÁÁÁÁÁ

Loader utility

ÁÁÁÁÁÁÁÁÁ

Interface requires a (re)load
of communications software.

ÁÁÁÁÁÁÁÁÁÁ

Load the Communication Soft-
ware. See Procedure 4.

ÁÁÁÁÁÁÁ

MODULE OK On
ONLINE Off

ÁÁÁÁÁÁÁÁ

Operational

ÁÁÁÁÁÁÁÁÁ

Transceiver or transceiver
cable not (properly) con-
nected.
SQE not enabled on trans-
ceiver.

LAN Online Soft Switch* set
to NO.

ÁÁÁÁÁÁÁÁÁÁ

Connect cable & transceiver.

Set SQE ON on transceiver in ac-
cord with manufacturer ’s
instructions.

Use LM90 configurator to set
LAN Online Soft Switch* to
“YES”. See Procedure 3.

ÁÁÁÁÁÁÁ

MODULE OK On
ONLINE On
STATUS OK Off

ÁÁÁÁÁÁÁÁ

Operational

ÁÁÁÁÁÁÁÁÁ

Exception condition oc-
curred.

ÁÁÁÁÁÁÁÁÁÁ

Use the Station Manager LOG
command as explained in
Chapter 6 under the section,
“Troubleshooting When
STATUS OK LED is OFF”.

ÁÁÁÁÁÁÁ

MODULE OK Blink-
ing Slowly

ÁÁÁÁÁÁÁÁ

Soft Switch Entry utility

ÁÁÁÁÁÁÁÁÁ

Invalid Soft Switch Data.
Soft Switch Data checksum
invalid. System Software
detected incompatible MAC
address assignments. Cer-
tain system errors.
IP address = 0.0.0.0

ÁÁÁÁÁÁÁÁÁÁ

Correct Soft Switch Data and
Restart or Reload Ethernet Inter-
face. See Procedures 3
and/or 4.

ÁÁÁÁÁÁÁ

MODULE OK Off

ÁÁÁÁÁÁÁÁ

Power-Up/Restart

ÁÁÁÁÁÁÁÁÁ

Fatal Error.

ÁÁÁÁÁÁÁÁÁÁ

Inspect the Interface for loose
components, reseat the Inter-
face, and Restart. Recheck
Logicmaster 90 Configuration.
Examine PLC Fault Table for
clues. If the problem persists,
replace the Interface.

* MMS-ETHERNET configuration mode only