Siemens SINAMICS DCM Operating Instructions Manual page 519

Replacing fans in 1,500 to 3,000 A units
Remove the front plate and cover at the top of the unit

Release the support plate for the electronics and swing it out.

Release the fixing screws for the slide-in fan unit

Disconnect the fan connector

Figure 11-7 Replacing fans in 1,500 - 3,000 A units (1)
SINAMICS DCM DC Converter
Operating Instructions, 1.2012, C98130-A7066-A1-05-7619
①
.
②
and fan monitoring equipment (3-pin)
11.2 Replacing components
③
.
Maintenance
517