Allen-Bradley MicroLogix 1400 - Page 585

Publication 1766-RM001A-EN-P - October 2008
Fault Messages and Error Codes 583
xx81
(1)
EXPANSION I/O
HARDWARE ERROR
The controller cannot communicate
with an expansion I/O module.
Non-User •Check connections.
•Check for a noise problem and be sure
proper grounding practices are used.
•Replace the module.
•Cycle power.
0083 MAX I/O CABLES
EXCEEDED
The maximum number of expansion
I/O cables allowed was exceeded.
Non-User •Reconfigure the expansion I/O system so
that it has an allowable number of cables.
•Cycle power.
0084 MAX I/O POWER
SUPPLIES EXCEEDED
The maximum number of expansion
I/O power supplies allowed was
exceeded.
Non-User •Reconfigure the expansion I/O system so
that it has the correct number of power
supplies.
0085 MAX I/O MODULES
EXCEEDED
The maximum number of expansion
I/O modules allowed was exceeded.
Non-User •Reconfigure the expansion I/O system so
that it has an allowable number of modules.
•Cycle power.
xx86
(1)
EXPANSION I/O
MODULE BAUD RATE
ERROR
An expansion I/O module could not
communicate at the baud rate
specified in the user program I/O
configuration.
Non-User •Change the baud rate in the user program I/
O configuration, and
•Re-compile, reload the program and enter
the Run mode, or
•Replace the module.
•Cycle power.
xx87
(1)
I/O CONFIGURATION
MISMATCH
•The expansion I/O configuration in
the user program did not match
the actual configuration, or
•The expansion I/O configuration in
the user program specified a
module, but one was not found, or
•The expansion I/O module
configuration data size for a
module was greater than what the
module is capable of holding.
Non-User •Either correct the user program I/O
configuration to match the actual
configuration, or
•With power off, correct the actual I/O
configuration to match the user program
configuration.
xx88
(1)
EXPANSION I/O
MODULE
CONFIGURATION
ERROR
The number of input or output image
words configured in the user
program exceeds the image size in
the expansion I/O module.
Non-User •Correct the user program I/O configuration
to reduce the number of input or output
words, and
•Re-compile, reload the program and enter
the Run mode.
xx89
(1)(2)
EXPANSION I/O
MODULE ERROR
An expansion I/O module generated
an error.
Non-User •Refer to the I/O status file.
•Consult the documentation for your specific
I/O module to determine possible causes of
a module error.
Error Codes
Error
Code
(Hex)
Advisory Message Description Fault
Classification
Recommended Action
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