Troubleshooting - Huawei SUN2000 Series User Manual

SUN2000-(12KTL-25KTL)-M5 Series
User Manual
Before cleaning the system, connecting cables, and ensuring the grounding
reliability, power off the system.
Table 8-1 Maintenance checklist
Check Item
System
cleanliness
System
operating
status
Electrical
connection
Grounding
reliability
Air tightness

8.3 Troubleshooting

Alarm severities are defined as follows:
●
●
Issue 01 (2022-06-15)
CA UTION
Check Method
Check periodically that the heat sinks
are free from obstacles and dust.
● 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.
● Check that cables are secured.
● Check that cables are intact, and
that in particular, the parts touching
the metallic surface are not
scratched.
Check that ground cables are securely
connected.
Check that all terminals and ports are
properly sealed.
NO TE
Contact your dealer if all failure analysis procedures listed above are completed and the
fault still exists.
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 Digital Power Technologies Co., Ltd.
8 Maintenance
Maintenance
Interval
Once every 6 to 12
months
Once every 6
months
The first inspection is
6 months after the
initial
commissioning.
From then on, the
interval can be 6 to
12 months.
The first inspection is
6 months after the
initial
commissioning.
From then on, the
interval can be 6 to
12 months.
Once a year
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