Siemens SINAMICS S120 Commissioning Manual page 302

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
Clear fault buffer
● Delete fault buffer for all drive objects:
● Delete fault buffer for a specific drive object:
The fault buffer contents are automatically deleted for the following events:
● Restore factory setting (p0009 = 30 and p0976 = 1).
● Download with modified structure (e.g. number of drive objects changed).
● Power-up after other parameter values have been loaded (e.g. p0976 = 10).
● Upgrade firmware to later version.
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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.
p2147 = 1 --> p2147 = 0 is automatically set after execution.
p0952 = 0 --> The parameter belongs to the specified drive object.
Commissioning Manual, (IH1), 01/2013, 6SL3097-4AF00-0BP3
Commissioning Manual