8 Maintenance
8.1 Shutdown and Power-O
Context
● If two SUN2000s share the same AC switch on the AC side, power o the two
SUN2000s.
● After the SUN2000 powers o, the remaining electricity and heat may still
cause electric shocks and body burns. Therefore, put on protective gloves and
begin servicing the SUN2000 15 minutes after the
power-o.
Procedure
Step 1 Run a shutdown command on the SUN2000 app, SmartLogger, or NMS.
For details, see 7 Man-Machine Interactions, or the SmartLogger or NMS user
manual.
Step 2 Turn
o the AC switch between the SUN2000 and the power grid.
Step 3 Set all 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-(100KTL, 110KTL, 115KTL)-M2
User Manual 8 Maintenance
Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd. 87
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