Alarms, Faults And System Messages - Siemens SINAMICS G120 Operating Instructions Manual

Alarms, faults and system messages

The converter has the following diagnostic types:
● LED
● Alarms and faults
If the converter no longer responds
Due to faulty parameter settings, e.g. by loading a defective file from the memory card, the
converter can adopt the following condition:
Case 1
● The motor is switched off.
● You cannot communicate with the converter, either via the Operator Panel or other
● The LEDs flicker and after 3 minutes the converter has still not powered up.
In this case, proceed as follows:
● Remove the memory card if one is inserted in the converter.
● Perform a power-on reset. Procedure for power on reset:
● Repeat the power on reset as often as required until the converter outputs fault F01018:
● Now set p0971 = 1 and perform an additional power-on reset. The converter now powers
● Recommission the converter.
SINAMICS G120C frequency converter
Operating Instructions, 03/2012, FW V4.5, A5E02999804B AB
The LED at the front of the converter immediately informs you about the most important
converter states right at the converter.
The converter signals alarms and faults via the fieldbus, the terminal strip (when
appropriately set), on a connected operator panel or STARTER.
Alarms and faults have a unique number.
interfaces.
– Switch off the converter power supply.
– Wait until all LEDs on the converter go dark. Now switch on the converter power
supply again
up with the factory settings.
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