
67
DOCR 070366-B
Insulation and grounding failures
Insulation and grounding failures are logged and displayed when this failure occurs. When an
insulation or graounding failure is indicated, the failure has to be corrected by the installer before
the inverter will restore power production.
8.1.3 Display of the current operating state
The software denes which events trigger a warning and which events trigger a failure.
The actual operating state is indicated via LEDs. A short message is also shown in the fourth line
of the 411 Current overview menu.
The 411 Current overview menu is automatically displayed when a new message arrives.
LED status Message category Display text in menu 411
Green
<ON>
Normal operation
Normal operation
Red
<OFF>
Yellow
<OFF>
Green
<ON>
Limited operation
e.g. Self-test
Red
<OFF>
Yellow
<OFF>
Green
<ON>
General warning
messages
For external events: External events
Red
<OFF>
For internal failures: Warning ### (3-digit
number)
Yellow
<Flash>
Green
<OFF>
General failure
messages
For external events: External events
Red
<OFF>
For internal failures: Failure ### (3-digit
number)
Yellow
<ON>
Green
<OFF>
Insulation or
grounding failure
Insulation
Red
<ON>
Yellow
<OFF>
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