Fronius · Primo GEN24 Operating Instructions
An arc has been detected within the PV system, and the maximum number of automatic switch-ons within a 24-hour period has been reached. This indicates a persistent arcing fault, and the inverter will disconnect from the grid for safety reasons, displaying the code for approximately 4 seconds.
Click steps to track your progress.
Before confirming the status, thoroughly check the entire photovoltaic system for possible damage to wiring, connectors, and modules.
Engage qualified personnel to repair any damaged components detected in the PV system.
Do not reset the inverter until the source of the arc fault has been identified and safely rectified.