Fronius · Primo GEN24 Operating Instructions
This code indicates that a safety cut-out mechanism, either via an installed option card or the RECERBO system, has been triggered. This critical safety event causes the inverter to immediately stop feeding energy into the grid.
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If the status code is displayed continuously, notify a Fronius-trained service engineer for diagnosis.
Identify and check the status of any connected option cards or the RECERBO system for their activation cause.
Verify external safety inputs to the inverter for their operational status and reset if tripped.