Checking The Plug Connections; Replacing The Filter Mats In The Roof Assembly - Siemens SINAMICS SM150 Operating Instructions Manual

● Check the cabling for defects.
● Replace any defective parts immediately.
9.4.4.6

Checking the plug connections.

Regularly check the plug connections to ensure they are seated correctly and the contacts are
not corroded.
Note
The fiber-optic cables for the gating boards must be properly inserted in the connectors.
9.4.5

Replacing the filter mats in the roof assembly

NOTICE
Material damage due to dust deposits
Dust can enter the interior of the cabinet during filter mat replacement due to the suction of the
running fans. Dust deposits can damage the device.
● Carefully ensure that no dust enters the cabinet when replacing the filter mats.
Figure 9-5
SINAMICS SM150 6SL3845-7NN42-2AA3 HBIS Shigang WRM NTM
Operating Instructions Rev.202003051222 3005356504
Changing the filter in the roof assembly
Maintenance
9.4 Inspection and maintenance
131