Startup And Configuration; Table 5-1. Troubleshooting - GE 90*-30 PLC Series User Manual

5

Startup and Configuration

5-2
The following table lists symptoms, causes and corrective actions for problems that could occur
while the LBIM is being powered up or during configuration.

Table 5-1. Troubleshooting

Symptom
SVC indicator flashing.
IN MSG and OUT MSG
indicators flashing alternately
every second
IN MSG and OUT MSG
indicators flashing together
When you attempt to download
the configuration .XIF file, the
following message appears:
Error opening network
driver:...
Module continuously transmits
network traffic.
Data does not transfer to CPU
and/or PLC I/O Fault tables show
LOSS/ADD Faults.
Series 90™-30 PLC L
LONWORKS® Bus Interface Module
Cause
The LBIM is in a L W
ON ORKS
unconfigured state.
EEPROM checksum error
Incorrect PLC backplane
initialization
Errors during initialization of the
L W network interface
ON ORKS
Incorrect network interface
configuration
L W wink function
ON ORKS
implemented. This feature is used
to facilitate installation of the
LBIM on the L W network.
ON ORKS
Network driver not installed.
Max_Send_Time set too low.
Configuration mismatch
User's Manual – June 1997
Corrective Action
Complete the LBIM
configuration. (For configuration
procedures, see Chapter 4.)
Power cycle the LBIM.
Check for overlaps in the network
variable mapping and correct the
mapping if necessary. Download
the configuration again and power
cycle the LBIM.
None. This does not indicate a
problem.
Install network driver.
Change Max_Send_Time to a
larger value for all but critical
variables.
Change backplane
configuration to match that of
the module exactly. Be sure to
account for reserved space and
valid bits.
(See Chapter 4)
GFK-1322A