Siemens SINAMICS S120 Commissioning Manual page 242

Diagnostics
3.5 Fault and alarm messages
Properties of the fault buffer:
● A new fault incident encompasses one or more faults and is entered in "Current fault
● The entries are arranged in the buffer according to the time at which they occurred.
● If a new fault incident occurs, the fault buffer is reorganized. The history is recorded in
● If the cause of at least one fault in "Current fault incident" is remedied and acknowledged,
● If "Current fault incident" contains eight faults and a new fault occurs, the fault in the
● r0944 is incremented each time the fault buffer changes.
● A fault value (r0949) can be output for a fault. The fault value is used to diagnose the fault
Clearing the fault buffer
● The contents of the fault buffer are reset when setting p0952 to 0.
240
incident".
"Acknowledged fault incident" 1 to 7.
the fault buffer is reorganized. Faults that have not been remedied remain in "Current
fault incident".
parameters in index 7 is overwritten by the new fault.
more accurately; please refer to the fault description for details of the meaning.
Commissioning Manual, (IH1), 01/2012, 6SL3097-4AF00-0BP2
Commissioning Manual