7

PLC Fault Table Descriptions (Continued)

PLC Fault

User Action

 

 

LAN I/F can’t init - check parms; running soft

Internal system error. User Action: If problem

Sw utl

persists, contact GE Fanuc Automation - NA.

 

 

LAN I/F capacity exceeded; discarded request

Verify that connection limits are not being exceeded.

 

 

LAN interface hardware failure; switched off

User Action: Replace Ethernet Interface.

network

 

 

 

LAN network problem exists; performance

Excessive backlog of transmission requests due to

degraded

excessive traffic on the network. For a sustained period

 

the MAC was unable to send frames as quickly as

 

requested. User Action: If problem persists, contact GE

 

Fanuc Automation - NA.

 

 

LAN severe network problem; attempting

External condition prevented transmission of frame in

recovery

specified timeframe. Could be busy network or network

 

problem. User Action: Check transceiver to make sure it

 

is securely attached to the network. Check for

 

unterminated trunk cable.

 

 

LAN system-software fault; aborted

Internal system error. User Action: If problem

connection resuming

persists, contact GE Fanuc Automation - NA.

 

 

LAN system-software fault; restarted LAN I/F

Internal system error. User Action: If problem

 

persists, contact GE Fanuc Automation - NA.

 

 

LAN system-software fault; resuming

Internal system error. User Action: If problem

 

persists, contact GE Fanuc Automation - NA.

 

 

LAN transceiver fault; OFF network until

Transceiver or transceiver cable failed or became

fixed

disconnected. User Action: Reattach the cable or replace

 

the transceiver cable. Check SQE test switch if present on

 

transceiver.

 

 

Local request to send was rejected; discarded

Internal error. Check that the Ethernet Interface is online.

request

User Action: If problem persists, contact GE Fanuc

 

Automation - NA.

 

 

Memory backup fault; may lose config/log on

Internal error accessing FLASH device.

restart

User Action: If problem persists, contact GE Fanuc

 

Automation - NA. Replace Ethernet Interface.

 

 

Module software corrupted; requesting reload

Catastrophic internal system error. Contact GE Fanuc

 

Automation - NA.

 

 

Module state doesn’t permit Comm_Req;

COMMREQ received when Ethernet Interface cannot

discarded

process COMMREQ. User Action: Make sure Ethernet

 

Interface is configured and online.

 

 

Unsupported feature in configuration

PLC firmware does not support Ethernet communications

 

software or attempt has been made to configure a feature

 

not supported by the Ethernet Interface. User Action:

 

Check CPU and Ethernet Interface revisions, order

 

upgrade kit for CPU and/or Ethernet Interface.

 

 

Network Adapter does not support Ethernet

Ethernet Interface does not support Ethernet Global Data

Global Data

operation. User Action: Check Ethernet Interface

 

revision; order upgrade kit for Ethernet Interface.

 

 

7-6

TCP/IP Ethernet Communications for the Series 90™ PLC User's Manual– May 2002

GFK-1541B

Page 193
Image 193
GE GFK-1541B manual PLC Fault Table Descriptions