Sofar PowerMagic - Maintenance Work (Every Two Years)

PowerMagic 400V C&I Energy Storage System User Manual
89
detached.
Ground connection and
equipotential connection
Check that the grounding connection is correct and that the
grounding resistance resistance value is not greater than 4Ω.
Check for correct equipotential connections within the energy storage
system.
Check the operating parameters (especially voltage as well as
insulation, etc.).
Fan
Check the operating status of the fan.
Check if the fan is clogged.
Check if there is abnormal noise when the fan is running.
7.3 Maintenance work (every two years)
Item
Check method
System status and
cleaning
Check the following items and correct them immediately if they
do not meet the requirements:
Look for damage or deformation of the case and internal
equipment.
Check the internal equipment for abnormal noise during
operation.
Check for excessive temperatures inside the box machine.
Check that the humidity and greyness inside the box are within
normal limits. Clean if necessary.
Check to see if the box air inlet and outlet are blocked.
Warning marks
Check whether the warning labels and marks are clearly visible
and free of stains and damage.Replace them if necessary.
Air inlet and outlet
Check that warning signs and labels etc. are clearly visible and
not defaced. Replace if necessary.
Ground of the shielded
Check whether the cable shielding layer is in good contact with