Service and maintenance
13.2 Replacing the fan
322
SINAMICS S120 Combi
Manual, (GH9), 07/2016, 6SL3097-4AV00-0BP5
Safety instructions when replacing a fan
Danger to life if the fundamental safety instructions and remaining risks are not carefully
observed
If the fundamental safety instructions and remaining risks in Chapter 1 (Page 21) are not
observed, accidents involving severe injuries or death may occur.
• Adhere to the fundamental safety instructions.
• When assessing the risk, take into account residual risks.
Danger to life from electric shock due to applied voltage or residual charge
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.
Contact with live parts can result in death or serious injury.
• Remove the device cover or the fan cover only after 5 minutes have elapsed.
• Check for zero voltage before removing the component.
Danger to life when live parts are touched during fan replacement
Contact with live parts while the fan is being replaced can result in death or serious injury.
• When removing the fan, you must observe the ESD regulations.
• Assign qualified personnel to install spare parts.
Replacing the Internal fan on the S120 Combi Power Module
When required, the internal S120 Combi fan can be replaced. It can be ordered as a spare
part (Article number: 6SL3161-0JP00-0AA0).
Removing the internal fan
1. Remove the S120 Combi front cover (see Section Electrical connection of Motor Modules
and DC link components (Page 193))
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