SUN2000-63KTL-JPH0
User Manual
8 Maintenance
Issue 04 (2019-06-30)
Copyright © Huawei Technologies Co., Ltd.
104
8.3 Checking Spot-check Terminals
Figure 8-1
Spot-check terminal definitions
Table 8-2
Spot-check terminal definitions
No.
Silk Screen
Description
Port Function
1,8
PV1/2+, PV1/2-
PV string input
spot-check port
Measures the resistance of PV
string input to ground.
2,9
PV3/4+, PV3/4-
3,10
PV5/6+, PV5/6-
4,11
PV7/8+, PV7/8-
5,12
PV9/10+, PV9/10-
6,13
PV11/12+,
PV11/12-
7,14
PCS+, PCS-
SUN2000 spot-check
port
Measures the resistance of the
SUN2000 to ground.
8.4 Troubleshooting
Alarm severities are defined as follows:
Major: The inverter is faulty. As a result, the output power decreases or the grid-tied
power generation is stopped.
Minor: Some components are faulty without affecting the grid-tied power generation.
Warning: The inverter works properly. The output power decreases or some authorization
functions fail due to external factors.