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The power station scale, installation location and on-site environment affect the mainte-
nance cycle of this product. In sandy or dusty environments, it is necessary to shorten the
maintenance cycle and increase the frequency of maintenance.
Maintenance performed once a year
Inspection item Inspection method
Battery module status and
cleanliness
Check the following items. In case of nonconformity,
take corrective actions immediately:
• Check the battery module and internal devices for
damage or deformation.
• Check the internal devices for abnormal noise
during operation.
• Check whether the temperature inside the battery
RACK is too high.
• Check whether the internal humidity and dust of
the battery module are within the normal ranges.
If necessary, clean the battery module.
Warning sign
Check whether the warning sign and label are legible
and dirty. If necessary, clean them.
Wire and cable
Check whether the switch gear and PCS are con-
nected correctly .
Corrosion
Check the battery module for internal oxidation or
rust.
8 Troubleshooting and Maintenance User Manual
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