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9.2 Mains operation
Status-LED: Green
Status message Description / Cause
Maximum power The inverter limits the output to the maximum power of the device.
This may happen if the solar generator is oversized.
Mains operation The inverter is connected to the mains and is operating in feed
mode.
Idc limitation The inverter limits the solar generator current to the maximum
permissible value. This may occur if the solar generator is
designed such that the current at MPP exceeds the maximum
permissible input current of the inverter.
Iac limitation The inverter limits the mains current to the maximum permissible
value. This can happen when there are strong uctuations in irradi-
ance or with an oversized solar generator.
Restart limitation The inverter increases the active power after the conclusion of an
external limitation with a de ned progression (Pac progression).
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.
9.3 Display of the communications activity
The inverter’s communications activity is indicated by the glowing of two different
symbols in the upper part of the 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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