SUN2000-(12KTL, 15KTL, 17KTL, 20KTL)-M0 
User Manual 
 
Copyright © Huawei Technologies Co., Ltd. 
 
7 Maintenance 
7.1 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, connecting cables, and maintaining the grounding reliability, 
power off the system. 
Table 7-1 Maintenance list 
Check the heat sink for foreign matter or the 
overall health of the SUN2000. 
Annual or every time an 
abnormality is detected 
Check the SUN2000 for damage or 
deformation. 
 
Cables are securely connected. 
 
Cables are intact, in particular, the parts 
touching the metallic surface are not 
scratched. 
The first inspection is 6 
months after the initial 
commissioning. From 
then on, the interval can 
be 6 to 12 months. 
Check whether the ground terminal and 
ground cable are securely connected. 
Check whether all terminals and ports are 
properly sealed.