Maintenance; System Power-Off - Huawei SUN2000 Series User Manual

SUN2000-(8KTL-20KTL)-M2
User Manual

8.1 System Power-Off

Precautions
● After the SUN2000 powers off, the remaining electricity and heat may still
● Before maintaining the optimizers and PV strings, power off the system by
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 8-1 Installing a locking screw for the DC switch
Issue 01 (2020-07-02)
WARNING
cause electric shocks and body burns. Therefore, put on protective gloves and
begin operating the SUN2000 five minutes after the power-off.
performing the following steps. Otherwise, the PV strings may be energized,
resulting in electric shocks.
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Maintenance

8 Maintenance
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