Routine Maintenance; Troubleshooting - Huawei SUN2000 Series User Manual

SUN2000-(8KTL-20KTL)-M2
User Manual
Step 5 Turn off the DC switch between the SUN2000 and PV strings.
----End

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 off the system.
Table 8-1 Maintenance list
Check Detail
System cleanliness
System running
status
Electrical
connections
Grounding
reliability
Sealing

8.3 Troubleshooting

Alarm severities are defined as follows:
●
●
Issue 01 (2020-07-02)
CA UTION
Check Method
Check the heat sink for foreign matter or the
overall health of the SUN2000.
Check the SUN2000 for damage or
deformation.
● Cables are securely connected.
● Cables are intact, in particular, the parts
touching the metallic surface are not
scratched.
Check whether the ground terminal and ground
cable are securely connected.
Check whether all terminals and ports are
properly sealed.
NO TE
Contact your dealer or Huawei technical support if the measures listed in the
Troubleshooting Suggestion column have been taken but the fault persists.
Major: The inverter is faulty. As a result, the output power decreases or the
grid-tied power generation is stopped.
Minor: Some components are faulty without affecting the grid-tied power
generation.
Copyright © Huawei Technologies Co., Ltd.
8 Maintenance
Maintenance Interval
Annual or every time an
abnormality is detected
Annual
The first inspection is 6
months after the initial
commissioning. From then
on, the interval can be 6
to 12 months.
Annual
Annual
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