46
Copyright | NZS Installation and Operation Manual
Cabinet check (power off)
Check filter mat on front door of charger unit.
Check whether the cabinet appearance is damaged.
Check whether the cabinet is rusted.
Open the cabinet door and check whether the cabinet is damaged inside.
Open the cabinet door and check whether there is condensation water, dust and debris in
the bottom of the cabinet.
Check whether there are foreign objects in metal base.
Checking that the enclosure door seals are not peeling or deteriorating.
Input/Output Cable Connection (power off)
Check whether the grounding cables are loose or damaged.
Check whether the input/output copper busbar is rusted or oxidized.
Check whether the input cables are damaged.
Check whether torque of screws is at standard value.
Battery Module Maintenance (power off)
Check the battery module for obvious leakage and judge by the smell. (Strong chemical
odor)
Check the battery module for bumps or obvious deformation.
Check the voltage of the battery module and observe the data with a multimeter at the DC
position of the battery module. Do not touch the battery electrodes directly with your
hands.
Protective measures and parts
Check resistance between the ground of power supply and all externally accessible,
non-insulated cabinet parts.
Check if function display marked on overvoltage protection is green.
Battery holder check (power off)
Inspecting battery holder for deformation or bending.
Checking for damaged or loose battery holder welds.
Check for loose or missing bolts mounted on the battery holder.
Connection Inspection
