Siemens SIMATIC ET 200SP Manual page 39

Diagnostics mes‐ Error
sage code
Inconsistent pa‐ 123
rameter assign‐
ment
Retentive memory 154
in carrier module
defective
Retentive memory 155
in the terminal
block defective
Only the terminal blocks (TB 45 ...) are suitable for use with I/O modules in IO redundancy.
1
Maintenance events
A maintenance event is generated for each maintenance required identified. The MT LED
lights up on the module.
Maintenance messages do not have a direct influence on the functions of the module or digital
inputs.
Table A-2 Maintenance messages, their meaning and possible remedies
Maintenance Error
message code
Redundancy part‐ 120
H
ner has different
hardware/firm‐
ware version
IO redundancy 121
H
warning
Retentive memo‐ 154
H
ry in carrier mod‐
ule defective
Retentive memo‐ 155
H
ry in the terminal
block defective
Digital Input Module DI 16x24VDC HA (6DL1131-6BH00-0PH1)
Manual, 05/2017, A5E39265608-AA
Assignment
Module Errors in the redundancy parameters sent
H
to the module
Module An error of the memory block on the adapt‐
H
er module was detected during startup
Module An error of the memory block on the termi‐
H
nal block was detected during startup
Assignment Meaning / Cause
Module The redundantly configured and intercon‐
nected I/O modules are not compatible
Module Unable to correctly communicate with the
partner module
Module Fault detected in the data block on the carri‐
er module during operation
Module An error of the memory block on the terminal
block was detected during operation
Drivers, parameters, diagnostics messages and address space
A.4 Diagnostics messages and maintenance events
Meaning Remedy
Check the parameter assign‐
ment
Replace carrier module
Replace terminal block
Remedy
Check the operating status and
firmware version of the mod‐
ules and replace modules or
perform a firmware update.
● Check the redundancy
connection
● Check the redundant
modules
● Check and replace terminal
block if necessary
Replace carrier module
Replace terminal block
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