Replacing The Fan; Safety Instructions When Replacing A Fan - Siemens SINAMICS S120 Combi User Manual

14.3

Replacing the fan

14.3.1

Safety instructions when replacing a fan

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.
SINAMICS S120 Combi
Manual, Edition 07/2012, 6SL3097-4AV00-0BP3
DANGER
Service and maintenance
14.3 Replacing the fan
269