Class 2 status
codes
Code Description Behaviour Remedy
240
ArcContinuousFault
An arc was detected on
the PV system and the
maximum number of auto-
matic switch-ons within 24
hours was reached.
The status code 240 is dis-
played for roughly 4
seconds.
CAUTION!
Danger from damaged
components of the
photovoltaic system
This can result in severe
personal injury/damage to
property.
▶
Before the status
"240 - ArcContinu-
ousFault" is con-
firmed, the entire
photovoltaic system
in question must be
checked for possible
damage.
▶
Have damaged com-
ponents repaired by
qualified personnel.
241
ArcContinuousFault
An arc was detected on
the PV system.
The status code 241 is dis-
played directly after 240,
the inverter disconnects
from the grid for safety
reasons.
Before resetting the in-
verter after a detected arc,
check the entire photovol-
taic system in question for
any damage!
Reset the status code by
pressing the Enter key.
242
ArcContinuousFault
An arc was detected on
the PV system.
The status code 242 is dis-
played after resetting the
status code 241.
Reset the status code by
pressing the Enter key.
The inverter resumes feed-
ing energy into the grid.
**)
244 ArcDetected
An arc was detected on
the PV system.
The status code 244 is dis-
played.
No action required. Feed-
in mode is started again
automatically after 10
minutes.
245
Arc Detector self-test
failed
The inverter disconnects
itself from the grid.
Perform AC reset;
the test is repeated. *)
*) If the status code is displayed all the time: Notify a Fronius-trained service en-
gineer
**) Fault is rectified automatically. If this status code is displayed all the time,
contact your system fitter
Class 3 status
codes
Class 3 includes status codes that may occur while feeding energy into the grid,
but generally do not cause the process to be interrupted for any length of time.
102
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