Fronius Primo GEN24

The AC grid voltage at the inverter's connection point is too high, exceeding the permitted limits for the Fronius Primo GEN24 208-240 inverter. This condition can lead to the inverter disconnecting from the grid to protect itself and the system.

The AC grid voltage at the inverter's connection point has fallen below the permitted limits for the Fronius Primo GEN24 208-240 inverter. This can cause the inverter to disconnect from the grid, preventing proper power feed-in.

This status code, indicated by a flashing red operating LED on the Fronius Primo GEN24 inverter, signifies that a device within the Wired Shutdown (WSD) chain has interrupted the signal line. This can occur if a surge protection device (SPD) has tripped, the factory-installed bypass has been removed, or a trigger device is not properly installed.

The frequency of the AC grid at the inverter's connection point has exceeded the maximum allowable limit for the Fronius Primo GEN24 208-240 inverter. The inverter will disconnect from the grid to ensure stability and protection.

The frequency of the AC grid at the inverter's connection point has dropped below the minimum allowable limit for the Fronius Primo GEN24 208-240 inverter. This condition will cause the inverter to disconnect to prevent damage or improper operation.

The Fronius Primo GEN24 208-240 inverter has detected an overcurrent condition on its AC output, meaning the current flowing into the grid is higher than permitted. This fault indicates a potential short circuit or overload condition in the AC connection or grid.

The Fronius Primo GEN24 208-240 inverter has detected a general failure in the AC grid, such as a blackout or complete loss of grid voltage, preventing it from feeding power. The inverter will automatically disconnect from the grid for safety and will attempt to reconnect once grid conditions normalize.

The Fronius Primo GEN24 208-240 inverter has detected an unspecified general failure in the AC grid, which could encompass various grid instability issues beyond simple voltage or frequency deviations. The inverter will disconnect from the grid as a protective measure.

This status code is displayed on the user interface of the Fronius Primo GEN24 inverter if the measured insulation value drops below the configured "Threshold for the insulation warning". This indicates a potential insulation fault within the PV array or DC wiring. The insulation warning can be activated or deactivated, and the measurement mode (Exact/Fast) and threshold (100000 - 10000000 Ω) are configurable parameters.

The Fronius Primo GEN24 208-240 inverter has detected that the connected grid type is not supported or that no AC grid is connected. This prevents the inverter from synchronizing and feeding power.

Service message 1177 indicates that the Fronius Primo GEN24 inverter has reached the maximum number of automated restart attempts in backup power mode. This limit is set by the "Backup power restart attempts" parameter (range 1-10). Once this limit is reached, the inverter will not automatically restart backup power mode until the service message is manually acknowledged. This typically occurs after repeated shutdowns due to unstable backup power conditions.

The Fronius Primo GEN24 208-240 inverter has detected an insulation fault (ground fault) on the PV generator (PV1 string). This means there is an unintended electrical path between the PV array's DC conductors and ground, posing a safety risk and preventing power production.

The Fronius Primo GEN24 208-240 inverter has detected an insulation fault (ground fault) on the PV generator (PV2 string). This indicates an unintended electrical path between the PV array's DC conductors and ground, which is a safety hazard and stops power generation.

The Fronius Primo GEN24 208-240 inverter has detected a general insulation fault (ground fault) on the entire PV generator. This implies an unintended electrical path between the PV array's DC conductors and ground, which can be a safety risk and prevents inverter operation.

The Fronius Primo GEN24 208-240 inverter is unable to establish communication with the connected Fronius Smart Meter. This prevents accurate energy monitoring and management functions that rely on meter data.

The Fronius Primo GEN24 208-240 inverter cannot establish communication with the connected battery system. This prevents the inverter from managing battery charging, discharging, and monitoring, rendering the battery inoperable.

The Fronius Primo GEN24 208-240 inverter, configured for operation with a Smart Meter, has lost communication with the device. This fault specifically refers to configurations where a Smart Meter is essential for the operating mode, thus halting normal inverter function.

The Fronius Primo GEN24 208-240 inverter, configured to operate with a battery, has lost communication with the battery system. This prevents any battery charging or discharging, effectively disabling the energy storage function.

The Fronius Primo GEN24 208-240 inverter has detected an excessive current flowing from the PV1 string on the DC side. This indicates a potential short circuit within the PV1 array or an incorrect string configuration.

The Fronius Primo GEN24 208-240 inverter has detected an excessive current flowing from the PV2 string on the DC side. This suggests a potential short circuit within the PV2 array or an improper string configuration.

The Fronius Primo GEN24 208-240 inverter has detected an excessive current flowing to or from the connected battery system on the DC side. This indicates a potential short circuit in the battery DC wiring or an issue with the battery itself.

The Fronius Primo GEN24 208-240 inverter has detected an excessively high voltage from the PV1 string on the DC side, exceeding its maximum input voltage rating. This can lead to inverter damage.

The Fronius Primo GEN24 208-240 inverter has detected an excessively high voltage from the PV2 string on the DC side, exceeding its maximum input voltage rating. This poses a risk of damage to the inverter's DC-DC stage.

The Fronius Primo GEN24 208-240 inverter has detected an excessively high voltage from the connected battery system on the DC side, exceeding its maximum input/output voltage rating. This could indicate a battery management system (BMS) fault or an incompatible battery.

The Fronius Primo GEN24 208-240 inverter has detected that the DC voltage from the PV1 string is too low for operation. This means there is insufficient voltage to start or maintain power conversion, often due to low irradiance or issues with the PV array.

The Fronius Primo GEN24 208-240 inverter has detected that the DC voltage from the PV2 string is too low for operation. This indicates insufficient voltage for power conversion, often caused by low sunlight or problems within the PV array.

The Fronius Primo GEN24 208-240 inverter has detected that the DC voltage of the connected battery system is too low. This indicates the battery is deeply discharged or has an internal fault, preventing it from supplying power or being charged.

The Fronius Primo GEN24 208-240 inverter has detected a fault with its internal cooling fan. This can lead to insufficient cooling and subsequent overheating if not addressed, potentially reducing performance or causing shutdown.

The Fronius Primo GEN24 208-240 inverter has detected an internal temperature exceeding its safe operating limits. This protective measure prevents damage to internal components and will cause the inverter to reduce power or shut down.

The Fronius Primo GEN24 208-240 inverter has lost communication with one or more of its critical internal components. This indicates an internal hardware issue, preventing the inverter from functioning correctly.

The Fronius Primo GEN24 208-240 inverter has detected a general internal fault that prevents it from operating safely or correctly. This is a broad error indicating an unspecified hardware or software malfunction within the inverter itself.

The Fronius Primo GEN24 208-240 inverter has detected an internal fault specifically related to its communication module or other critical internal components. This prevents data exchange and potentially affects overall inverter operation.

The Fronius Primo GEN24 208-240 inverter has detected an internal fault, specifically indicating an issue with one of its internal sensors. This can lead to incorrect measurements, improper control, or a complete shutdown for protection.

The Fronius Primo GEN24 208-240 inverter has detected an internal fault, likely related to its main control board. This is a critical error indicating a severe hardware malfunction that prevents any normal operation of the inverter.

The Fronius Primo GEN24 208-240 inverter has detected an internal fault, specifically related to its software. This can lead to unexpected behavior, incorrect operation, or a complete system halt.

The Fronius Primo GEN24 208-240 inverter has detected an internal fault related to its hardware protection circuits. This is a critical error, indicating that a safety mechanism has been triggered due to a potentially dangerous condition within the inverter, preventing further operation.

The Fronius Primo GEN24 208-240 inverter has detected an internal fault specifically concerning a temperature sensor. This can lead to inaccurate temperature monitoring, improper fan control, or a safety shutdown to prevent overheating or damage.

The Fronius Primo GEN24 208-240 inverter has detected an internal fault related to its DC measurement circuitry. This means that the inverter cannot accurately measure the DC voltage or current from the PV strings or battery, leading to improper operation or shutdown.

The Fronius Primo GEN24 208-240 inverter has detected an internal fault related to its AC measurement circuitry. This prevents the inverter from accurately measuring AC voltage, current, or frequency, leading to an inability to synchronize with the grid or feed power.

The Fronius Primo GEN24 208-240 inverter has detected an internal fault within its internal power supply unit. This means that critical internal circuits are not receiving stable or correct power, leading to general malfunction or complete shutdown.

The Fronius Primo GEN24 208-240 inverter has detected an internal fault related to the communication with its display unit. While the inverter itself might be operating, the display may not show correct information or any information at all.

The Fronius Primo GEN24 208-240 inverter has detected an internal fault associated with its integrated DC disconnector. This indicates a potential malfunction of the disconnector or its internal sensing, preventing safe and reliable operation.

The Fronius Primo GEN24 208-240 inverter has detected an internal fault related to its surge protection device (SPD). This indicates that the SPD may have failed, potentially due to a voltage surge, compromising the inverter's protection against transient overvoltages.

The Fronius Primo GEN24 208-240 inverter has detected an internal fault within its system monitoring module. This can prevent the inverter from accurately tracking its performance, logging data, or providing status updates.

The Fronius Primo GEN24 208-240 inverter has detected an internal fault within its residual current monitoring unit (RCMU). This unit is crucial for detecting ground faults and ensuring safety. A fault here means the inverter cannot safely operate and will shut down.

The Fronius Primo GEN24 208-240 inverter has detected an internal fault within its arc fault detection (AFCI) or Arc Guard circuit. This system is essential for detecting dangerous electrical arcs in the PV array and shutting down for safety. A fault means this protection is compromised.

The Fronius Primo GEN24 208-240 inverter has detected an internal fault within its Maximum Power Point Tracker (MPPT) for the PV strings. This means the inverter cannot efficiently extract maximum power from the PV array, leading to reduced energy yield or complete shutdown.

The Fronius Primo GEN24 208-240 inverter has detected an internal fault related to its battery charging or discharging circuitry. This prevents the inverter from effectively managing the flow of power to and from the connected battery system.

The Fronius Primo GEN24 208-240 inverter has detected an internal fault during its startup sequence. This means the inverter is unable to complete its initialization process and begin normal operation.

The Fronius Primo GEN24 208-240 inverter has detected an internal fault related to one of its output relays. These relays are crucial for safely connecting and disconnecting the inverter from the grid. A fault here prevents proper grid connection.

The Fronius Primo GEN24 208-240 inverter has detected a general internal hardware fault that is not covered by more specific error codes. This indicates a broad malfunction within the inverter's electronic components, preventing normal operation.

The Fronius Primo GEN24 208-240 inverter's Arc Fault Circuit Interrupter (AFCI) has detected a dangerous electrical arc in the PV array. This is a critical safety feature that shuts down the inverter to prevent fire hazards.

The Fronius Primo GEN24 208-240 inverter's Arc Fault Circuit Interrupter (AFCI) has failed its internal self-test. This means the AFCI function, a critical safety feature, is not working correctly, and the inverter cannot operate safely.

The Fronius Primo GEN24 208-240 inverter is unable to switch to or maintain backup power operation (PV Point or Essential Backup). This means the system cannot provide emergency power to critical loads during a grid outage.

The DC voltage from the battery is too low to initiate or sustain backup power operation with the Fronius Primo GEN24 208-240 inverter. This indicates the battery is either critically discharged or faulty.

The Fronius Primo GEN24 208-240 inverter has detected an overcurrent condition on the backup power circuit. This means that the loads connected to the backup power output are drawing more current than the inverter or battery can safely supply, leading to a shutdown.

The Fronius Primo GEN24 208-240 inverter has lost communication with the connected battery system while operating in backup power mode. This critical failure prevents the inverter from managing battery power, leading to a backup power shutdown.

The Fronius Primo GEN24 208-240 inverter has detected a grid failure specific to the PV Point backup power function. This implies that while the main grid might be active, the specific conditions required for the PV Point to operate are not met, or there's a problem with the transfer to PV Point.

The Fronius Primo GEN24 208-240 inverter has detected that there are too many inverters configured or connected within the Essential Backup system. This can lead to instability or an inability to properly manage power in backup mode. The Essential Backup system typically supports a limited number of inverters.

This status code indicates that the Fronius Primo GEN24 inverter has stopped backup power mode due to excessive loads connected to the PV Point (OP) terminal. The total power demand from connected appliances has exceeded the inverter's maximum continuous output, which is specified as 1560 W at 120V (13 A AC continuous current). Transient overloads up to 35% are tolerated for a maximum duration of 5 seconds.