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8.2 Maintenance
When adding new battery modules for capacity expansion, please contact SUN-
GROW and follow the instruction released by SUNGROW. Otherwise, the system
performance will be affected or even cannot operate properly.
Below is the recommended maintenance cycle. The actual maintenance cycle should be ad-
justed according to the specific installation environment of this product.
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 and switchgear for
damage or deformation.
• Check the battery system for abnormal noise dur-
ing operation.
• Check whether the temperature inside the battery
system 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 hybrid inverter
are reliable connection.
Corrosion
Check the outside of the battery system for oxidation
or rust.
User Manual 8 Troubleshooting and Maintenance
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