● Do not open the host panel for maintenance if the solar inverter is emitting
odor or smoke, or has obvious exceptions.
● If the solar inverter does not emit odor or smoke and is intact, repair or restart
it based on the alarm handling suggestions. Do not stand in front of the solar
inverter during the restart.
----End
8.3 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, and maintaining the cable connections and
grounding reliability, power o the system (see 8.1 Powering O the
SUN2000) and ensure that the two DC switches on the SUN2000 are OFF.
● If you need to open the maintenance compartment door in rainy or snowy
days, take protective measures to prevent rain and snow entering the
maintenance compartment. If it is impossible to take protective measures, do
not open the maintenance compartment door in rainy or snowy days.
Table 8-1 Maintenance list
Item Check Method Maintenance
Interval
System
cleanliness
Check periodically that the heat
sinks are free from obstacles or
dust.
Once six months to a
year
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 six months
SUN2000-(90KTL, 95KTL, 100KTL, 105KTL) Series
User Manual
8 Maintenance
Issue 11 (2020-08-30) Copyright © Huawei Technologies Co., Ltd. 98
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