Fronius Primo GEN24 Operating Instructions

This code indicates that the AC voltage supplied by the public grid is excessively high. The inverter will temporarily disconnect from the grid but will automatically attempt to resume energy feeding once grid conditions return to the permissible range.

This code indicates that the AC voltage supplied by the public grid is too low, preventing the inverter from feeding energy into the grid. The inverter disconnects but will attempt to reconnect once grid conditions improve.

This code indicates that the AC grid frequency is excessively high, causing the inverter to disconnect from the grid to comply with standards. The inverter will monitor the grid and resume operation automatically once the frequency returns to the permissible range.

This code indicates that the AC grid frequency is too low, leading the inverter to disconnect from the grid to comply with standards. The inverter will monitor the grid and resume operation automatically once the frequency returns to the permissible range.

This code indicates a complete absence of an AC grid connection, preventing the inverter from feeding energy. The inverter will automatically attempt to connect again once an AC grid is detected.

This code indicates that the inverter has detected a stand-alone operation condition, meaning it is isolated from the main public grid. The inverter disconnects to comply with grid codes and safety regulations.

This code indicates an error within the Residual Current Monitoring Unit (RCMU). This component is crucial for detecting fault currents to ground, ensuring safety and compliance. This error prevents the inverter from operating safely.

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.

An arc has been detected in the PV system, and this code is displayed immediately after code 240. The inverter disconnects from the grid for safety. This code signifies an ongoing safety-critical arcing fault that requires manual intervention.

An arc has been detected in the PV system, and this code is displayed after status code 241 has been reset. The inverter will then attempt to resume feeding energy into the grid. This suggests a temporary arc that has been cleared and acknowledged.

An arc has been detected on the PV system. This code indicates a transient or minor arcing event that does not require immediate manual intervention. The feed-in mode will automatically restart after 10 minutes.

The arc detector, a safety critical component, has failed its internal self-test. This failure indicates a malfunction of the arc detection circuitry, and the inverter will immediately disconnect itself from the grid to ensure safety.

This code indicates an overcurrent condition on the AC side of the inverter. This typically causes a short-term interruption in energy feeding, after which the inverter will attempt to resume its startup routine.

This code indicates an overcurrent condition on the DC input side of the inverter, typically from the PV strings. This causes a short-term interruption in energy feeding, after which the inverter will attempt to resume its startup routine.

This code indicates that the DC module within the inverter has reached an excessively high temperature. This leads to a short-term interruption in energy feeding, after which the inverter will resume its startup routine once temperatures normalize.

This code indicates that the AC module within the inverter has reached an excessively high temperature. This causes a short-term interruption in energy feeding, after which the inverter will resume its startup routine once temperatures normalize.

This code indicates that the inverter's internal relay is closed, but no power is being fed into the grid. This suggests a potential issue in the power path even though the switching element is engaged, causing a short-term interruption before the inverter attempts to restart.

This code indicates that the photovoltaic output power is insufficient for the inverter to begin or continue feeding energy into the grid. This is often displayed routinely during periods of low sunlight, such as early morning or evening, and does not necessarily indicate a fault.

This code indicates that the DC input voltage from the PV strings is too low for the inverter to feed energy into the grid. This status code is commonly displayed in conditions of low solar irradiation, such as early morning or evening, and is not usually indicative of a fault.

This code indicates that the intermediate DC bus voltage within the inverter has exceeded its permissible upper limit. This causes a short-term interruption in energy feeding, after which the inverter will attempt to resume its startup routine.

This code indicates that the DC input voltage from the PV string connected to Maximum Power Point Tracker 1 (MPPT 1) is too high. This triggers a short-term interruption in energy feeding, and the inverter will attempt to resume its startup routine.

This code indicates that the polarity of one or more DC strings connected to the inverter has been reversed. This is a critical wiring error that causes a short-term interruption in energy feeding, preventing proper operation and potentially damaging the inverter.

This code indicates that the DC input voltage from the PV string connected to Maximum Power Point Tracker 2 (MPPT 2) is too high. This triggers a short-term interruption in energy feeding, and the inverter will attempt to resume its startup routine.

This code indicates a timeout occurred during the current sensor calibration routine. This suggests an issue with the inverter's internal current measurement circuitry or its calibration process, leading to a short-term interruption.

This code indicates an error with the AC current sensor. This sensor is crucial for measuring the current being fed into the grid and for protective functions. An error in this sensor causes a short-term interruption in energy feeding.

This code indicates a failure during an internal interrupt check. This suggests a critical error in the inverter's control or processing system, leading to a short-term interruption in operation before it attempts to resume startup.

This code indicates an overtemperature condition detected in the inverter's connection area. This suggests excessive heat at the terminals or wiring, causing a short-term interruption in energy feeding before the inverter attempts to restart.

This code indicates an error with Fan 1, one of the inverter's internal cooling fans. A fan malfunction can lead to insufficient cooling and subsequent overtemperature conditions, causing a short-term interruption in energy feeding.

This code indicates an error with Fan 2, one of the inverter's internal cooling fans. A fan malfunction can lead to insufficient cooling and subsequent overtemperature conditions, causing a short-term interruption in energy feeding.

This code indicates a loss of communication between the inverter's control system and its power stage set. This prevents proper operation, but the inverter will automatically attempt to re-establish communication and resume feeding energy into the grid.

This code indicates a fault with the temperature sensor monitoring the AC module for phase L1. A faulty sensor can lead to inaccurate temperature readings, potentially causing the inverter to operate outside safe thermal limits or prevent feed-in.

This code indicates a fault with the temperature sensor monitoring the AC module for phase L2. A faulty sensor can lead to inaccurate temperature readings, potentially causing the inverter to operate outside safe thermal limits or prevent feed-in.

This code indicates that an excessively high DC current component has been measured in the AC grid. Such a condition can indicate a fault within the inverter's power conversion stages or an external grid disturbance, typically causing the inverter to disconnect for safety.

This code indicates a configuration error where 'Fixed voltage mode' has been selected instead of 'MPP voltage mode,' and the configured fixed voltage value is either too low or too high for proper operation. This prevents the inverter from efficiently extracting power from the PV array.

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.

This code indicates a failure in communication between the inverter's power stage set and its control system. This prevents normal operation, but the inverter will automatically attempt to re-establish communication and resume feeding energy into the grid.

This code indicates a problem with the inverter's internal hardware ID. This can occur, for example, after a PC board replacement, signifying an incompatibility or recognition issue. The inverter will attempt to reconnect and resume feeding if possible.

This code indicates a conflict with the inverter's unique ID. This typically occurs in multi-inverter installations or after component replacement, where the system detects duplicate or invalid unique identifiers, potentially disrupting communication or operation.

This code indicates a loss of communication between the inverter and the Fronius Datamanager. This means data logging, monitoring, and remote control functionalities via the Datamanager are currently unavailable.

This code indicates an HID (Hardware ID) range error, suggesting an issue with the identification or compatibility of an internal hardware component. This can stem from incorrect component installation or a data integrity issue.

This code indicates a loss of communication between the inverter's control system and its power stage set. This prevents proper operation, but the inverter will automatically attempt to re-establish communication and resume feeding energy into the grid.

This code indicates a possible internal hardware fault within the inverter. Such a fault can encompass various components and may prevent proper operation or energy feeding.

This code indicates a possible internal hardware fault within the inverter. Such a fault can encompass various components and may prevent proper operation or energy feeding.

This code indicates a possible internal hardware fault within the inverter. Such a fault can encompass various components and may prevent proper operation or energy feeding.

This code indicates a software problem within the inverter, which prevents it from feeding energy into the grid. This could be due to a corrupted operating system, an unexpected program state, or a bug.

This code indicates a functional incompatibility between one or more PC boards within the inverter, often occurring after a component replacement. This prevents the inverter from operating correctly, but it will attempt to reconnect and resume feeding if possible.

This code indicates a general problem with the inverter's power stage set. This critical component is responsible for power conversion and grid interaction, and a problem here will prevent the inverter from feeding energy into the grid.

This code indicates a functional incompatibility between one or more PC boards within the inverter, typically after a component replacement. This prevents the inverter from operating correctly, but it will attempt to reconnect and resume feeding if possible.

This code indicates that the intermediate DC bus voltage is either too low or asymmetric, preventing the inverter from feeding any energy into the grid. This can compromise the stability and efficiency of the power conversion process.

This code indicates a compatibility error, possibly due to a replaced PC board, or an invalid configuration of the power stage set. Either issue prevents the inverter from feeding energy into the grid, requiring a firmware update or configuration check.

This code indicates a general insulation fault detected within the photovoltaic system or the inverter itself. An insulation fault means there's an unwanted electrical connection between an active conductor and ground, which is a critical safety issue, causing the inverter to stop feeding energy.

This code indicates that the neutral conductor is not correctly connected. For certain grid configurations, a missing neutral connection is critical for proper operation and safety, preventing the inverter from feeding energy into the grid.

This code indicates that a critical internal 'Guard' component or function cannot be found or is not responding. This is a severe internal error, likely preventing any inverter operation and grid feeding.

This code indicates that a memory error has been detected within the inverter's internal memory. This can affect system stability and data integrity, but the inverter will automatically attempt to reconnect and resume feeding if possible.

This code indicates a communication error between the inverter's internal processors. This is a critical internal fault that prevents the control system from functioning correctly and will halt energy feeding.

This code indicates an incompatibility between the detected grid voltage and the configured power stage set. This mismatch prevents the inverter from safely or correctly feeding energy into the grid.

This code indicates an incompatibility between the detected grid frequency and the configured power stage set. This mismatch prevents the inverter from safely or correctly feeding energy into the grid.

This code indicates that the anti-islanding function, a critical safety feature that prevents the inverter from operating when disconnected from the main grid, is no longer functioning correctly. This will typically cause the inverter to disconnect from the grid.

This code indicates a fault with the internal grid voltage relay. This relay is essential for connecting and disconnecting the inverter from the grid, and its malfunction prevents the inverter from feeding any energy.

This code indicates an error during the recording of a general measuring signal within the inverter. This suggests an issue with an internal sensor or its data acquisition pathway, preventing accurate measurements crucial for energy feeding.