LCD Firmware Update Guide for EG4 12kPV Hybrid Inverter

Quick guide from the manual

This document provides instructions for updating the LCD firmware on the EG4 12kPV Hybrid Inverter. The process involves formatting a USB flash drive, downloading the firmware from the EG4 website, and installing it via the communications board USB2 port. Ensure your USB flash drive is 16GB or smaller for compatibility.

Formatting the USB Flash Drive

Before starting the update, the USB flash drive must be prepared correctly:

• Plug the USB flash drive into a Windows computer.
• Open File Explorer and locate the USB drive.
• Right-click the drive and select Format.
• Ensure the Capacity is set to 2, 4, 8, or 16GB.
• Set File system to FAT32.
• Set Allocation unit size to 4096 bytes.
• Deselect the Quick Format checkbox.
• Select Start to begin formatting.

Downloading and Unzipping Firmware

Follow these steps to prepare the firmware files:

1. Navigate to the 12kPV Hybrid Inverter product page on the official EG4 website.
2. Download the 12kPV LCD Version 18 Firmware file from the Firmware tab.
3. Right-click the downloaded file and unzip it to your desktop.
4. Open the unzipped folder.
5. Copy the DWIN_SET folder.
6. Paste the DWIN_SET folder directly onto the USB drive.
7. Safely remove the USB drive from the computer.

Installing the Update

Once the USB drive is prepared, perform the following steps to update the inverter:

1. Power off the inverter.
2. Plug the flash drive into the USB2 port on the communications board.
3. Power on the inverter. The update will begin automatically, and the screen will display a start-up screen for several minutes.
4. After approximately 3 minutes, the screen will restart and return to the standard home screen.
5. Remove the USB flash drive from the communications board.

Verification

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