Download the upgrade package and decompress the files onto your PC.
versions often focus on enhancing the communication speed between the inverter and the SDongleA-05. How to Update Your Firmware
: Typically takes about two minutes for the inverter to restart and complete the process. 2. Local USB Upgrade Used when remote access is unavailable: Preparation : Download and decompress the upgrade package from the Huawei Technical Support Website to the root directory of a USB drive. sun2000-6ktl-m1 firmware
: Review release notes for common optimizations, such as improved energy storage low power functions, load tracking, or alarm mechanism refinements. 3. Upgrade Procedure (Step-by-Step)
A typical production software release is formatted as: SUN2000MA V100R001C00SPCXXX Download the upgrade package and decompress the files
Method 1: Remote Upgrade via FusionSolar SmartPVMS (Recommended)
While exact version numbers change rapidly, typical release families for the M1 series look like: or alarm mechanism refinements.
If the SUN2000 app prompts that your inverter version is old, your system is missing critical stability patches. Solution: Proceed with the updates immediately, ensuring your DC side is powered on.
Access the Huawei FusionSolar portal using your installer or owner credentials.
However, Huawei distinguishes between "Installer" firmware and "User" firmware. Many advanced features (like changing grid codes or PID recovery settings) are locked behind firmware that requires . This means that the full power of the inverter is intentionally hidden behind a digital gate, requiring a certified engineer to unlock the device's true potential via a firmware handshake.
: Once the upgrade is initiated, do not disconnect power. You can monitor the progress through the device upgrade log. 4. Post-Upgrade Validation SUN2000MA V100R001C00SPC172 Release Documents - Huawei