Table 8-1 Maintenance list
Check Item Check Method Maintenance
Interval
Cleanness of air
intake and
exhaust vents,
and fans
● Check whether there is dust on
the air intake and exhaust vents.
If necessary, remove the bae
of the air intake vent and clean
the dust.
● Check whether the fans produce
abnormal sounds during
operation.
Once every 6 to 12
months
System running
status
● The solar inverter is not
damaged or deformed.
● The solar inverter operates with
no abnormal sound.
● All solar inverter parameters are
correctly set. Perform this check
when the solar inverter is
running.
Once every 6 months
Cables
connections
● Cables are securely connected.
● Cables are intact, and in
particular, the parts touching
the metallic surface are not
scratched.
● Check whether the sealing caps
of idle DC input terminals fall
o.
● Unused terminals and ports are
locked by watertight caps.
The rst inspection is
6 months after the
initial commissioning.
From then on, the
interval can be 6 to
12 months.
Grounding
reliability
Ground cables are securely
connected.
The rst inspection is
6 months after the
initial commissioning.
From then on, the
interval can be 6 to
12 months.
Clear vegetation
around the
inverters
● Perform inspection and weeding
as required.
● Clean the site promptly after
weeding.
Based on the local
wilting season
SUN2000-(100KTL, 110KTL, 115KTL)-M2
User Manual 8 Maintenance
Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd. 90
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