Restoring The Factory Setting - Siemens SINAMICS G120 Operating Instructions Manual

5.3

Restoring the factory setting

There are cases where something goes wrong when commissioning a drive system e.g.:
● The line voltage was interrupted during commissioning and you were not able to complete
● You got confused during the commissioning and you can no longer understand the
● You do not know whether the inverter was already operational.
In cases such as these, reset the inverter to the factory setting.
Restoring the factory settings when the safety functions are enabled
If your inverter is using safety functions, e.g. "Safe Torque Off" or "Safely Limited Speed",
then you must first always reset the safety functions.
The settings of the safety functions are protected by a password.
Settings that are not changed when restoring the factory setting
The communication settings and the settings of the motor standard (IEC/NEMA) are kept
when restoring the factory setting.
Resetting the safety functions to the factory settings
If the safety functions are enabled in your inverter, then the safety function settings are
password-protected. You must know the password to reset the safety function settings.
Procedure
Proceed as follows to restore the safety function settings in the inverter to the factory
settings using an operator panel:
1. Set p0010 = 30
2. p9761 = ...
3. Start the reset with p970 = 5
4. Switch off the inverter power supply.
5. Wait until all LEDs on the inverter go dark.
6. Switch on the inverter power supply again.
You have restored the safety function settings of your inverter to the factory settings using an
operator panel.
Converter with the CU250S-2 Control Unit (vector)
Operating Instructions, 06/2013, FW V4.6, A5E31759476B AB
commissioning.
individual settings that you made.
Activate reset settings.
Enter the password for the safety functions
When the inverter has reset the settings, p0970 = 0.
Commissioning
5.3 Restoring the factory setting
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