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EN-US
Class 2 Status
Codes
*) If status code persists: Contact a Fronius-trained service technician
**) Fault is corrected automatically. If this status code keeps recurring, contact your system
installer
Class 3 Status
Codes
Class 3 comprises status codes that may appear during feed-in operation and that do not
cause a permanent interruption of the operation of feeding energy into the grid.
After automatic disconnection from the grid and waiting for its conditions to return to those
stipulated, your inverter will try to resume feed-in operation.
Code Description Behavior Remedy
212 Overvoltage on L1
Grid conditions are being test-
ed and as soon as they are
within the permissible range
again, the inverter will resume
feeding energy into the grid.
Check grid connections;**)
213 Undervoltage on L1
222 Overvoltage on L2
223 Undervoltage on L2
232 Overvoltage on L3
233 Undervoltage on L3
240 Arc detected
The status code is displayed
for approx. 4 seconds
-
241 Arc detected
Status code 241 is displayed
immediately after 240. The in-
verter disconnects from the
grid for safety reasons.
Before an inverter can be reset
following a detected electric
arc, check the entire affected
photovoltaic system for dam-
age.
Reset the status code by
pressing the "Enter" key.
242 Arc detected
Status code 242 is displayed
immediately after status code
241 is reset.
Reset the status code by
pressing the "Enter" key.
The inverter restarts feeding
energy into the grid.
**)
245 Arc Detector self-test failed
The inverter disconnects from
the grid.
Carry out AC reset;
The test is repeated. *)
247
Arc Detector current sensor
faulty
The inverter disconnects from
the grid.
*)
249 Arc Detector faulty
Code Description Behavior Remedy
301 Overcurrent (AC) Short interruption of grid power
feed operation.
The inverter returns to the
startup phase.
*)
302 Overcurrent (DC)
303 Overtemperature DC module Short interruption of grid power
feed operation.
The inverter returns to the
startup phase.
Purge cooling air open-
ings and cooling ele-
ments; **)
304 Overtemperature AC module
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