9.2 Replacing inverter components
WARNING
Fire or electric shock due to defective components
If an overcurrent protection device is triggered, the inverter may be defective. A defective
inverter can cause a fire or electric shock.
● Have the inverter and the overcurrent protection device checked by a specialist.
Repair
WARNING
Fire or electric shock due to improper repair
Improper repair of the inverter may cause malfunctions or result in consequential damage
such as fire or electric shock.
● Only commission the following persons to repair the inverter:
– Siemens customer service
– A repair center that has been authorized by Siemens
– Specialist personnel who are thoroughly acquainted with all the warnings and operating
procedures contained in this manual.
● Only use original spare parts when carrying out repairs.
Corrective maintenance
9.2 Replacing inverter components
SINAMICS G120C converter
370 Operating Instructions, 09/2017, FW V4.7 SP9, A5E34263257B AF
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