20
7. (Optional) Observe the LED to check the operating status of the Smart Dongle
.
LED
LED
Description
Color
Status
Yellow (blinking
green and red
simultaneously)
Steady on
The Dongle is secured and
powered on.
Red
Blinking at short
intervals (on for 0.2s
and then off for 0.2s)
The parameters for connecting
to the router are to be set.
Green
Blinking at long
intervals (on for 0.5s
and then off for 0.5s)
Connecting to the router
Green
Steady on
Successfully connected to the
management system.
Green
Blinking at short
intervals (on for 0.2s
and then off for 0.2s)
The inverter is communicating
with the management system
through the Dongle.
WLAN-FE Smart Dongle
LED
LED
Description
Color
Status
Yellow (blinking
green and red
simultaneously)
Steady on
The Dongle is secured and
powered on.
Green
Blinking in a 2-second
cycle (on for 0.1s and
then off for 1.9s)
Dialing (duration < 1 min)
Green
Blinking at long intervals
(on for 1s and then off
for 1s)
The dial-up connection is set up
successfully (duration < 30s).
Green
Steady on
Successfully connected to the
management system.
Green
Blinking at short
intervals (on for 0.2s and
then off for 0.2s)
The inverter is communicating
with the management system
through the Dongle.
4G Smart Dongle
6
Commissioning
•
The screenshots are for reference only. The actual screens may vary.
•
Obtain the initial password for connecting to the solar inverter WLAN from the label on the
side of the solar inverter.
•
To ensure account security, change the password periodically and keep the new password in
mind. Not changing the password may cause password disclosure. A password left
unchanged for a long period of time may be stolen or cracked. If a password is lost, devices
cannot be accessed. In these cases, the user is liable for any loss caused to the PV plant.
•
Before maintaining the optimizers and PV strings, turn off the AC switch and set the DC
switch to OFF. Otherwise, the PV strings may be energized, resulting in electric shocks.
