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 maintaining the grounding
reliability, power o the system.
Table 8-1 Maintenance list
Check Detail Check Method Maintenance Interval
System cleanliness Check the heat sink for foreign matter or the
overall health of the SUN2000.
Annual or every time an
abnormality is detected
System running
status
Check the SUN2000 for damage or
deformation.
Annual
Electrical
connections
● Cables are securely connected.
● Cables are intact, 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 whether the ground terminal and ground
cable are securely connected.
Annual
Sealing Check whether all terminals and ports are
properly sealed.
Annual
8.3 Troubleshooting
Alarm severities are
dened as follows:
● Major: The SUN2000 is faulty. As a result, the output power decreases or the
grid-tied power generation is stopped.
● Minor: Some components are faulty without
aecting the grid-tied power
generation.
● Warning: The SUN2000 works properly. The output power decreases or some
authorization functions fail due to external factors.
SUN2000-(3KTL-10KTL)-M1
User Manual 8 Maintenance
Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd. 84
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