Service And Maintenance; Safety Information - Siemens SINAMICS S120 Equipment Manual

Service and maintenance

10.1

Safety information

10.1
Danger
Only Siemens customer service, repair centers that have been authorized by Siemens or
authorized personnel may repair drive equipment. Al of the persons involved must have in-
depth knowledge of all of the warnings and operating instructions as listed in this Manual.
All damaged parts or components must be replaced only using parts and components that
are listed in the relevant spare parts list.
Danger
Before starting any work, after the specified waiting time has elapsed, carefully measure the
voltage! The voltage can be measured between the DC link terminals DCP and DCN and
must be below 42.2 V DC.
Danger
If the auxiliary 230 V AC supplies are present, then a hazardous voltage is present at the
components even when the main switch is in the open state.
Equipment Manual AC Drive
Manual, (GH6), 03/2006 Edition, 6SL3097-2AL00-0BP0
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10-1