SUN2000-(55KTL, 60KTL) Series
User Manual
8 System Maintenance
Issue 02 (2017-07-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
92
8
System 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
6.4 Powering Off the SUN2000
) and ensure that the
two DC switches 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 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.
The first inspection is
half a year after the
initial commissioning.
From then on, perform
the inspection once six