Siemens SIMATIC ET 200SP Manual page 32

Drivers, parameters, diagnostics messages and address space
A.4 Diagnostics messages and maintenance events
Diagnostics Error code Assign‐
message
Shutdown on 122
H
button activa‐
tion
Inconsistent 123
H
parameter as‐
signment
Retentive 154
H
memory in car‐
rier module de‐
fective
Retentive 155
H
memory 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 have no direct effect on the function of the module or digital outputs.
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
32
Meaning
ment
Module The output disable switch was activated
Module Errors in the redundancy parameters sent to the
module
Module An error of the memory block on the adapter mod‐
ule was detected during startup
Module An error of the memory block on the terminal 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
Digital output module DQ 16x24VDC/0.5A (6DL1132-6BH00-0PH1)
Remedy
Pull module
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
Manual, 05/2017, A5E39265993-AA