: Disconnect all PV (solar) input and loads. The inverter should be powered only by the battery Hardware Connection
Click 'Update' or 'Start'. The inverter fans may spin at high speed, and the screen might go blank or show "UPDT." Verify Success: easun firmware update
: You must completely exit WatchPower or other monitoring software to release the COM port for the reflash tool. Execute the Update : Open the Reflash/Update tool . : Disconnect all PV (solar) input and loads
Usually an RJ45-to-RS232 (Serial) cable or a USB-B to USB-A cable, depending on your model. depending on your model.