LED Color Status Remarks Description
for 0.1s and then
o for 1.9s)
Abnormal If the duration is
longer than 1 min,
the 4G parameter
settings are incorrect.
Reset the parameters.
Blinking at long
intervals (on for 1s
and then o for
1s)
Normal The dial-up
connection is set up
successfully (duration
< 30s).
Abnormal If the duration is
longer than 30s, the
settings of the
management system
parameters are
incorrect. Reset the
parameters.
Steady on Normal Successfully
connected to the
management system.
Blinking at short
intervals (on for
0.2s and then o
for 0.2s)
The inverter is
communicating with
the management
system through the
Dongle.
Red Steady on Abnormal The Dongle is faulty.
Replace Dongle.
Blinking at short
intervals (on for
0.2s and then o
for 0.2s)
The Dongle has no
SIM card or the SIM
card is in poor
contact. Check
whether the SIM card
has been installed or
is in good contact. If
not, install the SIM
card or remove and
insert the SIM card.
SUN2000-(8KTL-20KTL)-M2
User Manual 6 Commissioning
Issue 11 (2023-02-07) Copyright © Huawei Technologies Co., Ltd. 75
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