Siemens SIMATIC EMS400S PSB-S Operating Instructions Manual page 50

Diagnostics options for PSB modules
8.2 Messages and errors
● Group error in the STEP-7 diagnostic buffer
Note
The "Error" event is displayed as incoming and then immediately as outgoing at the
startup of a PSB-S module. This system-related event is triggered during startup and
does not represent an error.
50
Diagnostic entry
Error
Unknown error 000B
Unknown error 000C
Description
Applies to the plant segment controller:
General device error on RAIL 1 to 3
Error in carrier controller. Such events may, for example, include an
interruption of the power supply. It is not necessary to examine the
EMS carrier.
Plant segment controller
•
Check whether the 48 V input voltage is present. If yes, the
PBS-S module has failed. Return the PSB-S module to Siemens
for repairs.
Carrier controller
•
Check whether the 24 V input voltage is present. If yes, the
PBS-C module has failed. Return the PSB-C module to Siemens
for repairs.
Applies only to the carrier controller:
Configuration error. The 10-bit range of the analog output is exceeded.
Check the corresponding STEP 7 project.
Operating Instructions, 03/2014, A5E03474166-03
PSB modules