SUN2000-(33KTL, 40KTL)-JP
User Manual
9 Maintenance
Issue 07 (2019-06-30)
Copyright © Huawei Technologies Co., Ltd.
105
9
Maintenance
9.1 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 off the system (see
) 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 9-1
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 inverter is not damaged or
deformed.
Check that the running sound of the inverter
is normal.
When the inverter is running, check that all
inverter parameters are correctly set.
Once six months
Cable
connections
Check that cables are securely connected.
Check that cables are intact, in particular, the
parts touching the metallic surface are not
scratched.
Check that the idle COM, USB, and AC
OUTPUT ports are locked by waterproof
The first inspection is
half a year after the
initial commissioning.
From then on, perform
the inspection once six
months to a year.
