LED Indicator Status Remarks Description
Blinking red
and green
alternately
Blinking slowly
(on for 1s and
o for 1s)
No communication with the
inverter:
– Remove and then insert
the Smart Dongle.
– Check whether the
inverter matches the
Smart Dongle.
– Connect the Smart
Dongle to another
inverter.
Check whether the
Smart Dongle is faulty or
the USB port of the
inverter is faulty.
----End
SUN2000-(12KTL-25KTL)-M5 Series
User Manual 6 Commissioning
Issue 10 (2024-05-14) Copyright © Huawei Digital Power Technologies Co., Ltd. 53