Maintenance
9
Observe Chapter, "Safety instructions" when carrying out any work at the converter.
9.1 Safety instructions for maintenance
WARNING
Improper maintenance and repairs
Improper repairs can result in death and serious physical injury.
Only qualified maintenance and installation personnel may perform repairs.
WARNING
Danger as a result of defective seals
When working on the device, seals at the doors, roof panels as well as front, rear and side
panels can be damaged. Operating the device with defective seals can result in death, serious
injury or material damage.
Replace the defective seals before commissioning. Observe the environmental conditions
stated in the technical specifications.
WARNING
High voltages from external supplies
Magnetizing and demagnetizing equipment that is fed from an external voltage source can
cause high voltages on the drive. This voltage can result in death or serious injury.
Ensure that no voltage from external feeds exists before commencing maintenance and repair
work.
SINAMICS SM120 6SL38855?B
Operating Instructions 12/2015 91
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