Operation Indicator Color Indicator
Status
Remarks Description
Red Blinking fast
(on for 0.2s
and then o
for 0.2s)
The parameters for connecting to
the router are to be set.
Red Steady on Abnormal Replace the Smart Dongle because
it has an internal fault.
Blinking red and
green
alternatively
Blinking
slowly (red
for 1s and
then 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.
Upgrading
the Smart
Dongle
Blinking red and
green
alternatively
Blinking fast
(red for 0.2s
and then
green for
0.2s)
Normal The Smart Dongle is being
upgraded locally.
Setting an
inverter's
connection
to a router
Green Blinking
slowly (on for
0.5s and then
o for 0.5s)
Normal Connecting to the router
Red Blinking fast
(on for 0.2s
and then o
for 0.2s)
Abnormal Failed to connect to the router.
Check whether the parameters for
connecting the Smart Dongle to
the router are properly set. If not,
set the parameters correctly.
Set
parameters
in the
manageme
nt system
Green Steady on Normal Successfully connected to the
management system.
Red Blinking
slowly (on for
1s and then
o for 1s)
Abnormal Failed to connect to the
management system. Check
whether the parameters for
connecting inverters to the
management system are properly
set. If not, set the parameters
correctly.
Green Blinking fast
(on for 0.2s
and then o
for 0.2s)
Normal The inverter is communicating with
the management system through
the Smart Dongle.
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. 22
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