Resolves random error codes (such as Error 09 or Error 32), screen freezes, and Wi-Fi disconnection issues.
Right-click the flashing executable file and select . 5. Configure the Software In the flashing tool interface:
Symptom: The Update Froze halfway through (Progress Bar Stopped) easun firmware update
Connect the Ethernet end to the located on the bottom of the remote panel. 2. Identify the COM Port
You gain features (like Pylontech CAN bus V2.0), but you lose Easun-specific fan curves. The Benefit: Axpert firmware is updated quarterly. Easun firmware might be years old. Resolves random error codes (such as Error 09
Completely exit WatchPower or any monitoring software from the system tray to free the COM port. Launch Reflash Tool: Open the manufacturer-provided update executable (often a file within a zipped folder). Load Firmware: Select the appropriate update file (typically ending in or similar). Initiate Flash:
Resolving issues like fans running at high speed continuously even without load. Configure the Software In the flashing tool interface:
: Once finished, disconnect the cable, turn the inverter switch to OFF for 30 seconds, then back to ON to initialize the new software. Troubleshooting Communication Failed
Turn off the DC breaker connecting your solar panels to the inverter. Fluctuating solar voltage during a flash can cause a critical error.
Extract the firmware ZIP folder directly onto your laptop’s C:\ drive or Desktop. Ensure the folder pathway contains no special characters or spaces. Inside, you should see an executable file (e.g., Reflash.exe ) and a hex data file (e.g., firmware.hex or *.bin ). 4. Run the Flash Tool