Fronius · Solar Energy
This fault signifies an error within the device's internal memory system. This could be related to RAM or other internal storage, impacting program execution and data processing, potentially leading to system instability or crashes.
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Verify stable DC input voltage from the solar array and AC grid voltage at the inverter terminals are within specified operating ranges.
Inspect cooling fans and heatsinks for proper operation and obstructions, ensuring adequate thermal dissipation within the device.
Check the system's event logs and diagnostic menus for any additional fault codes or recurring patterns associated with the internal memory error.
Verify the installed firmware version and compare it against the latest stable release from Fronius; perform a firmware update if a newer version is available and recommended for memory stability issues.