SUN2000-(25KTL, 30KTL)-US
User Manual
8 Maintenance
Issue 03 (2017-04-01)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
88
8
Maintenance
8.1 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
6.2 Powering Off the SUN2000
) and ensure that the
DC SWITCH on the inverter 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 checklist
Check
Item
Check Method
Maintenance
Interval
System
cleaning
Check periodically that the heat sinks are free from
obstacles or dust.
Semiannually to
annually.
System
running
status
Check that the SUN2000 is not damaged or
deformed.
Check for normal sound emitted during operation
of the SUN2000.
Check that all SUN2000 parameter settings are
correctly set during operation.
Semiannually.
Electrical
Connectio
ns
Check that cables are securely connected.
Check that cables are intact and the parts in
contact with a metallic surface are not scratched.
Check that the idle RS485 and USB ports are
covered by waterproof caps.
Half a year after the
initial commissioning,
and semiannually to
annually afterwards.