118
1x7
No grid voltage detected
Behavior As soon as the grid conditions have returned to ad-
missible range, Fronius IG Plus resumes feeding
power into the grid
Remedy Check grid connections and fuses;
If the status code does not disappear you should
contact your electrical contractor
108
Islanding detected
Behavior As soon as grid frequency has returned to admissible
range, Fronius IG Plus resumes feeding power into
the grid
Remedy Check grid voltage;
If the status code does not disappear you should
contact your electrical contractor
109
General grid error
This error is always displayed first for grid errors. After reviewing all power
stage sets, the grid error is specified with more detail: 1x1 / 1x4 or the
display remains at ‘109’ (e.g. when 2 phases report ‘104’ and one phase
‘101’)
Behavior Grid conditions are thoroughly tested and as soon as
they are again within the permissible range, the Froni-
us IG Plus will resume feeding power into the grid.
Remedy Check grid connections and fuses
If this status message keeps recurring, contact your
system installer
The first reaction of your Fronius IG Plus unit is to disconnect from the
grid. Subsequently, the grid will be checked for the duration of the obser-
vation period stipulated. If after the end of this period no further defect is
identified, your Fronius IG Plus unit resumes operating and feeding power
into the grid.
Important The 2nd position x defines the exact network point for the
following status messages:
0 = several / all 3 phases
1= L1
2= L2
3= L3
Class 2 Status
Codes
Status codes of class 2 are typically
temporary. Their cause lies in the
grid.
Class 1 Status
Codes
(continued)
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