Siemens SIMATIC ET 200SP HA Handbuch - Seite 33

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Siemens SIMATIC ET 200SP HA Handbuch
Diagnostics mes‐
Error
sage
code
Retentive memo‐
154
H
ry in carrier mod‐
ule defective
Retentive memo‐
155
H
ry in the terminal
block defective
Only the terminal blocks (TB 45 ...) are suitable for operating I/O modules in IO redundancy.
1
Maintenance events
A maintenance event is generated whenever maintenance is required. 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
Fault code
message
Retentive memo‐
154
H
ry in carrier mod‐
ule defective
Retentive memo‐
155
H
ry in the terminal
block defective
Digital input module DI 8x24...125VDC HA (6DL1131-6DF00-0PK0)
Manual, 11/2017, A5E39288633-AB
Drivers, parameters, diagnostics messages and address space
Assignment
Meaning
Module
A memory block fault on the support
module was detected during start-up
Module
A memory block fault on the terminal
block was detected during start-up
Assignment
Meaning / Cause
Module
Fault detected in the data block on
the carrier module during operation
Module
A memory block fault on the terminal
block was detected during operation
A.4 Diagnostics messages and maintenance events
Solution
Replace carrier module
Replace terminal block
Solution
Replace carrier module
Replace terminal block
33