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7 Operating status
7.1 Status messages and status LED
The status message in the graphics display describes the current operating status of the
inverter. Each inverter status message belongs to one of the ve possible operating sta-
tuses. The status LED always displays one of these operating statuses through a variety
of colours. In addition to the status messages, the inverter can also display warnings.
Warnings result from device errors or external failures which, however, do not affect the
mains operation of the inverter. Losses of yield are possible, however.
Warnings have no relation to the operating status and are displayed on the graphics dis-
play alternately with the current status message.
The status messages of the “Failure”, “Error”, and “Blocked” operating statuses, as well
as the warnings, usually require certain measures to be taken, see Section 8.2.
LED status Operating status Description
Off -
Inverter is switched off → grid disconnection
Flashing green – – – Booting
Inverter starts → grid disconnection
Green
Mains operation Grid feed-in (normal operation)
Flashing
orange – – –
-
Warning → no grid disconnection
Orange
Failure
External failure → grid disconnection
Red
Error
Internal device error → grid disconnection
Flashing red – – – Blocked
Inverter is blocked → grid disconnection
7.2 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.
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