Siemens SINAMICS SM150

4.4.4 Opening doors in preparation for use
NOTICE
Incorrectly opening the doors
If you incorrectly open the doors, then this can damage the locking mechanism.
● When opening the doors, follow the steps described.
● You must replace a damaged locking mechanism before commissioning, which will be
charged for. Contact the service center in this regard. You can find the relevant contact
person under "Service & Support".
4.4.4.1 Opening doors in preparation for use
The converter is delivered in a closed state. A label showing how to open the doors in a current-
free state is located on the door.
Figure 4-6 Example: Label with instructions for opening the doors
Proceed as follows:
1. A screw marked with a label is located in the door. Under the screw you will find the opening
for manually opening the doors. Remove the screw.
Figure 4-7 Example: Cover screw for manual door interlocking
2. Insert a screwdriver into this opening.
Preparations for use
4.4 Unpacking
SINAMICS SM150 6SL3845-7NN46-7AA0
Operating Instructions 04/2017 93