LCD Firmware Update Guide for EG4 18KPV Hybrid Inverter

Quick guide from the manual

This document provides instructions for updating the LCD firmware on the EG4 18KPV Hybrid Inverter. The process involves preparing a USB flash drive, downloading the firmware, and performing the update via the communications board port.

Formatting the USB flash drive

Before starting, ensure your USB drive is correctly formatted:

• Plug the USB drive into your computer.
• Open File Explorer, right-click the USB drive, and select Format.
• Set Capacity to 2, 4, 8, or 16GB if not detected automatically.
• Set File system to FAT32.
• Set Allocation unit size to 4096 bytes.
• Deselect the Quick Format checkbox and click Start.

Downloading and preparing firmware

• Download the EG4-18kPV-LCD-Firmware.zip file from eg4electronics.com.
• Right-click the downloaded file and unzip it to your desktop.
• Open the unzipped folder; it should contain two folders and one PDF.
• Copy the DWIN_SET folder.
• Paste the DWIN_SET folder onto the root directory of your USB drive.
• Safely remove the USB drive from your computer.

Installing the update

• Power off the inverter.
• Insert the USB drive into the USB2 port located on the communications board.
• Power on the inverter. The update will begin automatically and display a start-up screen for approximately 3 minutes.
• Once the screen restarts and returns to the home screen, the update is complete.
• Remove the USB drive from the communications board.

Verification

To confirm the update was successful, check the LCD version number displayed in the lower-right corner of the physical display.