Replacing The Avt Combination Module - Siemens SINAMICS MV 9LD4110-7EX70-1AA0 Operating Instructions Manual

Maintenance
9.6 Repairs
Danger when components are incorrectly replaced
Incorrectly replacing components can result in death, serious injury, or material damage.
• Only replace components that are described in the following sections. All other
9.6.1

Replacing the AVT combination module

Danger caused by high voltages at the AVT combination module and the precision
measuring resistors
The AVT combination modules and measuring resistors are at hazardous voltage levels.
Touching these components can result in death, severe injury and significant material damage.
• Never touch the AVT combination modules or measuring resistors under any circumstances.
Danger when making changes to the design of the voltage or ground fault detection
Changes to the voltage or ground fault detection, e.g. to the measuring resistors, are
potentially lethal. This can result in substantial property damage, physical injuries and death.
• Do not change the design of the voltage or the ground fault detection.
122
WARNING
components may only be replaced by Siemens service personnel. In this case, contact the
Service Center.
WARNING
WARNING
3rd Party LCI Control Upgrade
Operating Instructions, 02/2022, A5E31872818