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7.7.1 Booting
Status LED: ashes green
Status message Description
Irradiation too low The solar irradiation or rather the available output is too low for
mains operation.
Startup… The inverter checks the internal hardware and software compo-
nents before connecting to the mains.
Restart delay The inverter delays connection to the grid (after a disconnection
from the grid or when starting up).
7.7.2 Mains operation
The status LED lights up green.
Status message Description
Maximum power The inverter limits the in-feed power to the maximum permissible
value. This may occur if the PV generator is oversized.
Mains operation The inverter is in feed mode.
Idc limitation The inverter limits the PV generator current to the maximum
permissible value. This may occur if the PV generator is designed
such that the current at Maximum Power Point (MPP) exceeds the
maximum permissible input current of the inverter.
Iac limitation The inverter limits the output current to the maximum admissible value
(where the PV generator is oversized).
Restart limitation Following an external output limitation the inverter increases the
active power with a dened progression (Pac progression and/or
Soft Start).
Frequency limitation The inverter temporarily limits the active power owing to an active
frequency-dependent power reduction.
External limitation The inverter's fed-in active power is limited by external output
control.
Temperature limitation The output power is temporarily reduced in order to limit the
inverter‘s temperature.
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