Sun2000 Power-On - Huawei SUN2000-3KTL-M1 User Manual

SUN2000-(3KTL-10KTL)-M1
User Manual

6.2 SUN2000 power-on

Important Notes
Before turning on the AC switch between the SUN2000 and the power grid, check
that the AC voltage is within the specified range using a multimeter.
Procedure
Step 1 If a battery is connected, turn on the battery switch.
Step 2 Turn on the AC switch between the SUN2000 and the power grid.
If the DC is on and the AC is off, the SUN2000 reports a Grid Failure alarm. The
SUN2000 starts normally only after the fault is automatically rectified.
Step 3 (Optional) Remove the locking screw from the DC switch.
Figure 6-1 Removing the locking screw from a DC switch
Step 4 Turn on the DC switch (if any) between the PV string and the SUN2000.
Step 5 Turn on the DC switch at the bottom of the SUN2000.
Step 6 Wait for about 1 minute and observe the LED indicators on the SUN2000 to check
its running status.
Table 6-2 LED indicator description
Category Status
Running LED1
indication
Steady green
Issue 02 (2020-11-20)
NO TICE
NO TICE
LED2
Steady green
Copyright © Huawei Technologies Co., Ltd.
Meaning
N/A
The SUN2000 is operating in grid-
tied mode.
6 Commissioning
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