Siemens SINAMICS S120 Combi - Replacing the Fan; Safety Instructions When Replacing a Fan

Service and maintenance
14.3 Replacing the fan
SINAMICS S120 Combi
Manual, Edition 07/2012, 6SL3097-4AV00-0BP3
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14.3 Replacing the fan
14.3.1 Safety instructions when replacing a fan
DANGER
Risk of electric shock
Switch off the power supply (400 V AC) before replacing the fan. A hazardous voltage is
still present for up to 5 minutes after the power supply has been switched off. This time
must first elapse before it is permissible to remove the cover of the unit or the fan cover.
Before removing the component, check that the system is in a voltage-free state!
NOTICE
When replacing the fan, you must observe the ESD regulations.
Only qualified personnel are permitted to install spare parts.