This is the hardest part. Easun’s official website often lags behind community repositories. Here is the hierarchy of safety:
To ensure a seamless update experience and minimize potential issues:
Go to the LCD menu on your inverter and find the U1 (Main CPU) and U2 (Secondary/Remote CPU) versions. You must match these versions exactly. easun firmware update
What is the of your Easun inverter? (e.g., ISolar SMG II 5.6K, IGrid SV IV)
As a user of Easun products, I recently had the opportunity to update my device's firmware using the Easun firmware update process. In this review, I will share my experience with the update process, highlighting its ease of use, features, and overall performance. This is the hardest part
Before updating the firmware:
Obtain the exact firmware file tailored to your specific model (3 kW, 5 kW, 8 kW, or 11 kW) and version. You must match these versions exactly
Switch the battery breaker back on first, followed by the PV and AC lines.
Monitor the progress bar on your laptop screen. The process typically takes 2 to 7 minutes.
After a successful , the EEPROM data is misaligned.