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9.2 Booting
Status message Description
Irradiance 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
components before connecting to the grid.
Restart delay The inverter has disconnected itself from the grid and is
delaying re-connection to the grid.
9.3 Mains operation
Status message Description
Mains operation The inverter has been switched to the grid and is feeding power
into the grid.
Maximum power The inverter limits the output power to the maximum permissible
level. Limiting the power can occur when the PV generator has
been oversized or in the event of high irradiation.
Idc limitation The inverter limits the DC input current to the maximum permissi-
ble value. This can occur if the PV generator was designed so that
the current in the MPP is higher than the maximum permissible DC
current of the inverter.
Iac limitation The inverter limits the fed-in mains current to the maximum
permissible value. This can occur in response to major uctuations
in irradiation, low mains voltage or due to an over-dimensioned PV
generator.
Restart limitation The inverter increases the active power after the conclusion of an
external limitation with a dened progression (Pac progression
and/or Soft Start).
Frequency limitation The inverter temporarily limits the active power due to an active
frequency-dependent reduction in power - P(f) mode.
External limitation The output power of the inverter is limited by a remote command.
9.4 Communications activity
The communications activity of the inverter is displayed via two different symbols on the
graphics display.
Symbol Description
This symbol is displayed when the inverter sends or receives data
(via RS485 or Ethernet).
This symbol appears when there is an Ethernet connection (corresponds with
the “Link” display on network cards).
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