System Power-On - Huawei SUN2000-2KTL-L1 User Manual

SUN2000-(2KTL-5KTL)-L1
User Manual

6.2 System Power-On

Prerequisites
Before turning on the AC switch between the SUN2000 and the power grid, use a multimeter
to check that the AC voltage is within the allowed range.
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Procedure
Step 1 If the battery port of the SUN2000 is connected to a battery, turn on the auxiliary power
switch of the battery and then the battery switch.
Step 2 Turn on the AC switch between the SUN2000 and the power grid.
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 between the PV string and the SUN2000 if there is any.
Step 5 Turn on the DC switch at the bottom of the SUN2000.
Step 6 Observe the LEDs to check the SUN2000 operating status.
Table 6-2 LED indicators 1
Category
Running indicator
Issue 01 (2020-04-17)
If the DC power supply is connected but the AC power supply is disconnected, the
SUN2000 will report a Grid Loss alarm. The SUN2000 can start properly only after the
power grid recovers.
If the AC power supply is connected but the battery is not connected, the SUN2000 reports
a Battery Abnormal alarm.
If the SUN2000 is connected to batteries, turn on the DC switch within 1 minute after the
AC switch is turned on. Otherwise, the SUN2000, connected to the power grid, will shut
down and start again.
Status
LED1
Copyright © Huawei Technologies Co., Ltd.
6 System Commissioning
LED2
Description
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