Replacing Components; Safety Information - Siemens SINAMICS S120 Equipment Manual

Service and maintenance
10.3 Service and maintenance for Chassis format components
10.3.3

Replacing components

10.3.3.1

Safety information

Danger
When transporting the devices and replacing components, note the following:
• Some of the devices and components are heavy or top heavy.
• Due to their weight, the devices must be handled with care by trained personnel.
• Serious injury or even death and substantial material damage can occur if the devices
Danger
The equipment is operated with hazardous voltages
All connection wok must be carried-out in a no-voltage condition!
All work on the units must be carried out by trained personnel only. Death, serious injury, or
substantial material damage can result if these warnings are not taken into account.
Work on an open device must be carried out with extreme caution because external supply
voltages may be present. The power and control terminals may be live even when the motor
is not running.
Dangerously high voltage levels are still present in the cabinet up to five minutes after it has
been disconnected due to the DC link capacitors. For this reason, the cabinet should not be
opened until after a reasonable period of time has elapsed.
10-10
are not lifted or transported properly.
Equipment Manual AC Drive
Manual, (GH6), 03/2006 Edition, 6SL3097-2AL00-0BP0