Siemens SINAMICS DCM Operating Instructions Manual page 517

Replacing fans in 400 to 850 A units
Remove the front cover of the SINAMICS DC MASTER.

Disconnect the fan-sensor connector

Disconnect the connector for the fan's power supply

③
Release the screws

Pull the slide-in fan unit out towards you.

Insert a new fan module and screw it in place (tightening torque 1.5 Nm), reconnect the connectors, and replace the

front cover.
Figure 11-5 Replacing fans in 400 - 850 A units
SINAMICS DCM DC Converter
Operating Instructions, 1.2012, C98130-A7066-A1-05-7619
①
.
(tool: Torx T20 screwdriver)
②
.
Maintenance
11.2 Replacing components
515