119
2x2
Grid voltage exceeds admissible limits
Behavior As soon as the grid voltage has returned to admissi-
ble range, Fronius IG Plus resumes feeding power
into the grid
Remedy Check grid voltage; if the status code persists you
should contact your electrical contractor
2x3
Grid voltage below admissible limits
Behavior As soon as the grid voltage has returned to admissi-
ble range, Fronius IG Plus resumes feeding power
into the grid
Remedy Check grid voltage, if the status code persists you
should contact your electrical contractor
207
No grid voltage detected
Behavior As soon as the grid conditions have returned to
admissible 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
Class 3 Status
Codes
Class 3 comprises status codes
that may appear during operation
of feeding power supply, that do not
cause a permanent interruption of
the operation of feeding power into
the grid.
Class 2 Status
Codes
(continued)
After automatic disconnection from the grid and waiting for its conditions
to return to those stipulated, your Fronius IG Plus unit will try to resume
feed-in operation.
301
Over-current (AC)
Behavior Short interruption of power feeding into the grid,
caused by overcurrent
Fronius IG Plus returnes to startup phase
Remedy automatically
Should the status code persist, you should contact
your electrical contractor