EN
85
• After the wizard procedure is completed, the inverter changes the
behaviour of the “Power” and “Alarm” LEDs (08), in relation of the
input voltage value:
Input
voltage
LED
Status
Description
Vin < Vstart
Power = Flashing
Alarm = OFF
The input voltage is
not sufficient to enable
connection to the grid.
Vin > Vstart
Power = Flashing
Alarm = ON
The input voltage is sufficient
to enable connection to the
grid: the inverter waits for the
grid voltage to be present
to make the connection to
the grid.
• Depending of the supply source used to complete the installation
wizard steps, close the disconnect switch of missing voltage
sources: In case of missing AC source close the AC switch
downstream of the inverter (and AC disconnect switch (09) for the
-S2, -SX2, SY2 wiring box version); In case of missing DC source
close the DC disconnect switches (15).
• When the input voltage is sufficient to allow the connection to the
grid, the inverter will check the grid voltage, measure the isolation
resistance of the photovoltaic field with respect to ground and
performs other auto-diagnostic checks. During the preliminary
checks on the parallel connection with the grid, the “Power”
LED keeps flashing, the “Alarm” and “GFI” LEDs are OFF. The
inverter will ONLY connect to the grid if all parameters fall within
the ranges foreseen by current regulations.
• If the outcome of the preliminary checks to grid synchronization
are positive, the inverter connects and starts to export power to
the grid. The “Power” LED remains fixed on while the “Alarm” and
“GFI” LEDs are OFF.
NOTE – D To address any problems that may occur during
the initial stages of operation of the system and to ensure
the inverter remains fully functional, you are advised to check
for any firmware updates in the dedicated section of web
user interface (“SERVICE TOOLS menu”), via Installer for
Solar Inverters APP or in the download area of the website
www.fimer.com or at https://registration.solar.fimer.com
(refer to ““Registration website” and “Admin Plus
token”” paragraph).
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