8 Maintenance
8.1 System Power-O
Precautions
● If two inverters share the same AC switch on the AC side, power o the two
inverters.
● After the inverter powers
o, the remaining electricity and heat may still cause
electric shocks and body burns. Therefore, put on personal protective
equipment (PPE) and begin servicing the inverter
fteen minutes after power-
o.
Procedure
Step 1 Run a shutdown command on the SUN2000 app, SmartLogger, or network
management system (NMS).
For details, see the user manual of the corresponding product.
Step 2 Turn
o the AC switch between the inverter and the power grid.
Step 3 Set the three DC switches to OFF.
----End
8.2 Power-O for Troubleshooting
Context
To prevent personal injury and equipment damage, perform the following
procedure to power o the solar inverter for troubleshooting or replacement.
SUN2000-(196KTL-H0, 200KTL-H2, 215KTL-H0)
Series
User Manual 8 Maintenance
Issue 07 (2021-07-08) Copyright © Huawei Technologies Co., Ltd. 83
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