Service And Maintenance; Replacing The Fan; Safety Instructions For Replacing A Fan; Replacing The Fan At The Hf Choke Module - Siemens SINAMICS S120 System Manual

Service and maintenance

12.1

Replacing the fan

12.1.1

Safety instructions for replacing a fan

Note
• When replacing the fan, you must observe the ESD regulations (Page 21).
• Only qualified personnel are permitted to install spare parts.
Danger of death when live parts are touched
The fan must be in a no-voltage and disconnected state when it is replaced. A hazardous
voltage is still present for up to 5 minutes after the power supply has been switched off.
Touching live components results in death or severe injury.
• Only remove the fan cover or the fan support assembly after this time has expired.
• Before removing the component, check that the drive line-up is in a no-voltage
12.1.2

Replacing the fan at the HF Choke Module

Removing fans
1. Remove the HF Choke Module from the drive line-up.
2. Remove the screws on the fan cover using a Torx T20 screwdriver.
3. Remove the fan cover.
4. Release the connecting plug and remove it.
5. Remove the screws from the fan support using a Torx T20 screwdriver.
6. Remove the fan support with the fans.
High Frequency Drive
System Manual, (SH2), 04/2015, 6SL3097-4AH10-0BP3
DANGER
condition.
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