Maintaining The Fan; Replace The Fans - Siemens SINAMICS SM150 6SL3810-7NN38-0AA1 Operating And Installation Instructions

9.4.6

Maintaining the fan

Injury caused by rotating fan
If the drive is equipped with a temperature-controlled fan, the fan can run on even if the power
section is switched off. You can be injured if you touch the fan.
● Wait until the fan has shut down and has come to a stop.
Service life of the fans
The fans must also be fitted with a monitor to ensure that the drive operates reliably. The
service life of the device fans is 30,000 hours. Replace the fan timely in order to maintain the
reliable functioning of the cabinet unit.
9.4.6.1

Replace the fans.

Removing the fan
Follow the five safety rules before replacing the fans.
NOTICE
Damage caused by insufficient cooling
Cooling is only ensured if the fan is rotating in the correct direction.
● When you are inserting the new fan, make sure that it rotates in the correct direction. The
SINAMICS SM150 6SL3810-7NN38-0AA1
Operating Instructions Rev.201910281406 EXAMPLE
CAUTION
direction of rotation is shown by a small arrow on the enclosure.
Maintenance
9.4 Inspection and maintenance
153