Service And Support Booksize; Replacing The Fan; Safety Instructions When Replacing A Fan - Siemens SINAMICS S120 Manual

Service and Support Booksize

14.1

Replacing the fan

14.1.1

Safety instructions when replacing a fan

Danger to life when live parts are touched
Before replacing the fan, you must switch off the power supplies (400 VAC and 24 VDC). A
hazardous voltage is still present for up to five minutes after the power supply has been
switched off.
Contact with live parts can result in death or serious injury.
• Remove the device cover or the fan cover only after a certain time.
• Check for zero voltage before removing the component.
Note
When replacing the fan, you must observe the ESD regulations.
Only qualified personnel are permitted to install spare parts.
Booksize Power Units
Manual, (GH2), 07/2016, 6SL3097-4AC00-0BP8
DANGER
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