Indicator Remarks Description
Blinking red and
green
alternatively
Blinking slowly
(red for 1s and
green for 1s)
No communication with the inverter
● Remove and insert the Smart Dongle.
● Check that the inverter matches the
Smart Dongle.
● Connect the Smart Dongle to another
inverter. Check whether the Smart Dongle
or the USB port of the inverter is faulty.
Blinking fast (red
for 0.2s and then
green for 0.2s)
Normal The Smart Dongle is being upgraded locally.
FusionSolar Smart PV Management System
Connection
User Manual (Inverters + SDongleA) 4 System Power-On and Commissioning
Issue 02 (2021-11-25) Copyright © Huawei Technologies Co., Ltd. 24
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