Huawei SUN2000-75KTL Series User Manual page 118

SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series
User Manual
● Before cleaning the system, connecting cables, and maintaining the grounding
● If you need to open the maintenance compartment door in rainy or snowy
Table 8-1 Maintenance list
Check Item
Cleanness of air
intake and
exhaust vents,
and fans
System running
status
Cables
connections
Grounding
reliability
Issue 11 (2021-11-10)
CA UTION
reliability, power off the system and ensure that the all DC switches on the
solar inverter are OFF.
days, take protective measures to prevent rain or snow from entering the
maintenance compartment. If unavoidable, do not open the maintenance
compartment door.
Check Method
● Check whether there is dust on
● Check whether the fans produce
● The solar inverter is not
● The solar inverter operates with
● All solar inverter parameters are
● Cables are securely connected.
● Cables are intact, and in
● Check whether the sealing caps
● Unused terminals and ports are
Ground cables are securely
connected.
Copyright © Huawei Technologies Co., Ltd.
the air intake and exhaust vents.
If necessary, remove the baffle
of the air intake vent and clean
the dust.
abnormal sounds during
operation.
damaged or deformed.
no abnormal sound.
correctly set. Perform this check
when the solar inverter is
running.
particular, the parts touching
the metallic surface are not
scratched.
of idle DC input terminals fall
off.
locked by watertight caps.
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.
109