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Maintenance performed once every two years
Inspection item Inspection method
Battery cluster status and
cleanliness
Check the following items. In case of nonconformity,
take corrective actions immediately:
• Check the battery cluster and internal devices for
damage or deformation.
• Check the internal devices for abnormal noise during
operation.
• Check whether the temperature inside the battery
cluster is too high.
• Check whether the internal humidity and dust of the
battery cluster are within the normal ranges. If
necessary, clean the battery cluster.
• Check whether the air inlet and outlet of the battery
cluster are blocked.
Warning sign
Check whether the warning sign and label are legible
and dirty. If necessary, replace them.
Wire and cable
Check whether the switch gear and battery module are
connected correctly and whether the battery modules
are also connected correctly.
Corrosion
Check the battery cluster for internal oxidation or rust.
11 Routine Maintenance System Manual
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