Table 8-1 Maintenance checklist
Item Check Method Maintenance
Frequency
System
cleanliness
Periodically check that the heat
sinks are free from obstacles or
dust.
Once every six to
twelve months
System running
status
● Check that the SUN2000 is not
damaged or deformed.
● Check that the running sound of
the SUN2000 is normal.
● When the SUN2000 is running,
check that all SUN2000
parameters are correctly set.
Once every six
months
Electrical
connections
● Check that cables are securely
connected.
● If clamps are used for AC cable
connections, check that they are
secured with a torque of 35
N·m.
● Check that cables are intact, in
particular, the parts touching
the metallic surface are not
scratched.
● Check that the unused COM,
USB, and RESERVE ports are
covered by watertight caps.
The rst inspection is
six months after the
initial commissioning.
From then on, the
interval can be six or
twelve months.
Grounding
reliability
Check that ground cables are
securely connected.
The rst inspection is
six months after the
initial commissioning.
From then on, the
interval can be six or
twelve months.
8.2 Alarm Reference
For details about alarms, see the Inverter Alarm Reference.
SUN2000-(50KTL, 60KTL, 65KTL)-M0
User Manual 8 Maintenance
Issue 11 (2024-02-02) Copyright © Huawei Technologies Co., Ltd. 103
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