Table 8-1 Maintenance list
Item Check Method Maintenance
Interval
System
cleanliness
Check the heat sink for foreign matter
or the overall health of the solar
inverter.
Once every twelve
months or every
time an abnormality
is detected.
System
running status
● Check that the battery is not
damaged or deformed.
● Check that the battery does not
generate abnormal sound when it is
in operation.
● Check that the battery parameters
are correctly set when the battery is
running.
Once every twelve
months.
Electrical
connections
● Check that cables are securely
connected.
● Check that cables are intact, and
that in particular, the parts touching
the metallic surface are not
scratched.
The rst inspection is
6 months after the
initial
commissioning. From
then on, the interval
can be 6 to 12
months.
Grounding
reliability
Check that the ground terminal and
ground cable are securely connected.
Once every twelve
months.
Sealing Check that all terminals and ports are
properly sealed.
Once every twelve
months.
8.2 Powering O the System
Context
After the solar inverter powers o, the remaining electricity and heat may still
cause electric shocks and body burns. Therefore, put on insulated gloves and begin
servicing the solar inverter
ve minutes after the power-o.
Procedure
Step 1 Run a shutdown command on the SmartLogger, or NMS.
Step 2 Turn o the AC switch between the solar inverter and the power grid.
SUN2000-4.95KTL-JPL1
User Manual 8 Maintenance
Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd. 70
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