Siemens SINUMERIK 840DE User Manual page 46

4 Description of the NCU
4.2 Mounting
Warning
!
S
S
4-44


Only trained personnel may replace a fan box. The regulations for handling
electrostatic sensitive devices must be observed.
Completely switch off the system. Check that it is safely isolated from the
supply and safeguard against unauthorized switch-on.
SINUMERIK 840D Configuring Manual NCU (PHD) – 03.06 Edition
Fan box

© Siemens AG, 2006. All rights reserved
03.06