8.2 Routine Maintenance
To ensure that the SUN2000 can operate properly for a long term, you are advised
to perform routine maintenance on it as described in this chapter.
Before cleaning the system, connecting cables, and ensuring the grounding
reliability, power o the system.
Table 8-1 Maintenance checklist
Check Item Check Method Maintenance
Interval
System
cleanliness
Check periodically that the heat sinks
are free from obstacles and dust.
Once every 6 to 12
months
System
operating
status
● Check that the SUN2000 is not
damaged or deformed.
● Check that the SUN2000 operates
with no abnormal sound.
● Check that all SUN2000 parameters
are correctly set during operation.
Once every 6
months
Electrical
connection
● Check that cables are secured.
● 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 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.
Air tightness Check that all terminals and ports are
properly sealed.
Once a year
Clear
vegetation
around the
inverters
● Perform inspection and weeding as
required.
● Clean the site promptly after
weeding.
Based on the local
wilting season
SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)-
M3
User Manual 8 Maintenance
Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd. 73
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