13
Description of LED main interface
When work normally, LED indicator lights indicates:
Illumination
No illumination
Flash
LED 1 (green)
At least one PV input
PV input voltage is less than 200 V
Unused
LED 2 (green)
The inverter is connected to the
grid
The inverter is not connected to the
grid
Unused
LED 3 (green)
Unused
RS485 communication interruption
RS485 communication
normal
LED 4 (red)
When the inverter is in the state
of self-test, standby, sleep and
shutdown
The system is in the grid-connected
state, and no fault alarm
When the system has
fault alarm
When insert U disk, carry out USB-related operations:
LED 1
(
green)
LED 2
(
green)
LED 3
(
green)
LED 4
(
red)
Description
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Flashes 5 times, U disk is inserted or
pulled out
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Loading file
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No U-disk operation
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Exporting history
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Cleaning history
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Loading firmware upgrade file
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Operation fails
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Operation succeed
☆
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DSP1 is in the process of upgrade
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DSP1 upgrade fails
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DSP2 is in the process of upgrade
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DSP2 upgrade fails
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CPLD is in the process of upgrade
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CPLD upgrade fails
● LED indicator is illuminated
○ LED indicator is not illuminated
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LED indicator flashes
5.2 View alarm information
User can follow the tips of LED indicator lights to view the inverter fault information.
Export history with U disk.
Connect monitoring and control software via RS485/NET communication to view running information of the
equipment.
Connect APP via Wi-Fi / GPRS (optional) communication devices to view running information of the system.
