Routine Maintenance - Huawei SUN2000-50KTL-ZHM3 User Manual

SUN2000-(50KTL-ZHM3, 50KTL-M3)
User Manual
Figure 8-1 Installing the locking screw for the DC switch
Step 5 Turn on the DC switch between the PV string and the SUN2000 if there is any.
----End

8.2 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, connecting cables, and ensuring the grounding reliability, power
off the system.
Table 8-1 Maintenance checklist
Check Item
System
cleanliness
System operating
status
Electrical
connection
Issue 01 (2022-07-29)
Check Method
Check periodically that the heat sinks are
free from obstacles and dust.
Check that the SUN2000 is not damaged

or deformed.
Check that the SUN2000 operates with

no abnormal sound.
Check that all SUN2000 parameters are

correctly set during operation.
Check that cables are secured.

Check that cables are intact, and that in

particular, the parts touching the metallic
surface are not scratched.
Copyright © Huawei Technologies Co., Ltd.
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
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