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I’m really disappointed with Sofar Solar right now.
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Attempt SD Card Firmware Recovery If the unit shows signs of life (e.g., lights blink, fans turn on, but no screen or erratic behavior), you may be able to flash it via the Micro SD card slot.
- Format SD Card: Use a small (e.g., 2GB-8GB) Micro SD card, formatted strictly to FAT32.
- Create Folders: Create a folder named
ME3000Firmwareon the root of the card. - Use Proper Files: Ensure the folder contains all required files (often 3 .bin and 3 .hex files or, in some cases, .bin files with different versioning).
- Re-flash Procedure: Power off the unit, insert the card, and turn it back on. The screen should display the upgrade process. This may take a few attempts.
- Try Version 3.02: If newer versions fail, many users have reported success downgrading back to 3.02 or 2.50 to restore functionality.
6.4kWp (16 * 400Wp REC Alpha) facing ESE + 5kW Huawei inverter + 10kWh Huawei battery. Vaillant Arotherm Pro 7kW heat pump.0
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