Powering On The System - Huawei SUN2000 Series User Manual

SUN2000-(3KTL-10KTL)-M0
User Manual

6.2 Powering On the System

Precautions
Before turning on the AC switch between the SUN2000 and the power grid, use a multimeter
set to the AC position to check that the AC voltage is within the specified range.
Procedure
Step 1 Turn on the AC switch between the SUN2000 and the power grid.
If you perform
starts normally only after the fault is automatically rectified.
Step 2 If there is a DC switch between the PV string and the inverter, turn on the DC switch.
Step 3 Set the DC SWITCH at the bottom of the SUN2000 to the ON position.
Step 4 Wait for about 1 minute, and then observe the LED indicators of the inverter to check the
running status.
Table 6-2 LED indicator description
Category
Running
indication
Issue 04 (2019-10-18)
Step 3 before Step 1, the SUN2000 reports a Grid Loss alarm. The SUN2000
Status
LED 1
Steady green
Blinking green at
long intervals (on
for 1s and then
off for 1s)
Blinking green at
long intervals (on
for 1s and then
off for 1s)
Off
Off
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Meaning
LED 2 N/A
Steady green The SUN2000 is operating in
grid-tied mode.
Off The DC is on and the AC is
off.
Blinking green at The DC is on, the AC is on,
long intervals (on and the SUN2000 is not
for 1s and then exporting power to the power
off for 1s) grid.
Blinking green at
DC is off and AC is on.
long intervals
Off DC and AC are both off.
6 Commissioning
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