Siemens SINAMICS S120 Commissioning Manual page 288

Diagnostics
5.4 Fault and alarm messages
Note
The entry in the fault/alarm buffer is made after a delay. For this reason, the fault/alarm
buffer should not be read until a change in the buffer is also recognized (r0944, r2121) after
"Fault active"/"Alarm active" is output.
Fault buffer
Faults which occur are entered in the fault buffer as follows:
Figure 5-9 Structure of the fault buffer
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Commissioning with Startdrive
Commissioning Manual, 12/2018, 6SL3097-5AA10-0BP0