Maintenance messages have no direct eect on the module function.
Table A-2 Maintenance messages, their meaning and possible remedies
Maintenance mes‐
sage
Channel
error
type
(CET)
Extended
channel
error
type
(CET)
Assignment Meaning / Cause Remedy
Error in the retentive
memory of the inter‐
face module
0x0640 0x06E0 Module Fault detected in the memo‐
ry block on the carrier mod‐
ule during operation.
Replace carrier module
Warning: Threshold
for the allocation of
dynamic memory ex‐
ceeded
0x0640 0x06E2 Module The internal memory block
was overloaded.
Example: Increased memory
requirements caused by ex‐
treme overload over PROFI‐
NET (denial of service).
Contact the manufacturer.
A.3 Diagnostics of a shared device
The conguration prevents direct diagnostics of a shared device or shared module.
Recommendation for naming I/O components
When the I/O components are located in a dierent AS, you should note the following:
Specify the name for I/O components so that messages point directly to the shared components.
Diagnostics of a shared device
If commissioning is not possible or an I/O module (submodule) is not detected:
Conguration Signaled by Remedy
Shared device in one project Consistency check in HW Cong shows er‐
ror (online)
Check and correct the
conguration of the in‐
terface modules or the
submodules for each IO
controller.
Shared device in dierent projects Station at an IO controller is not available
during commissioning
Diagnostic messages
A.3 Diagnostics of a shared device
IM 155-6 PN HA
Equipment Manual, 09/2021, A5E39262148-AE 47