Maintenance; System Power-Off - Huawei SUN2000-15KTL-50KTL-M3 Series User Manual

Replacing SUN2000-(15KTL-50KTL) Series with
SUN2000-(15KTL-50KTL)-M3 Series
User Manual

9.1 System Power-Off

Precautions
After the SUN2000 powers off, the remaining electricity and heat may still cause electric
shocks and body burns. Therefore, put on protective gloves and begin operating the SUN2000
five minutes after the power-off.
Procedure
Step 1 Send a shutdown command on the app.
Step 2 Turn off the AC switch between the SUN2000 and the power grid.
Step 3 Turn off the DC switch at the bottom of the SUN2000.
Step 4 (Optional) Install the locking screw for the DC switch.
Figure 9-1 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.
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Issue 01 (2021-04-05) Copyright © Huawei Technologies Co., Ltd.
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Maintenance

9 Maintenance
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