Warning – danger of electric shocks.
The UPS remains connected to the battery circuit even after it has been
disconnected from the mains power supply and has a dangerous voltage
potential. Therefore always disconnect the battery circuit before carrying out
servicing or maintenance work and make sure that the equipment is isolated
from the supply
Work on batteries may only be performed and monitored by personnel with
appropriate technical knowledge about the required precautions.
Unauthorized persons must be kept away from batteries.
When working on the UPS, the following precautions must be taken:
Remove wristwatches, rings and other metallic objects
Only use electrically-insulated tools
The UPS must not be deconstructed.
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