¶ Fault Phenomenon:
After turning on the printer power, an error message immediately appears on the touchscreen or in Fluidd:
¶ Fault Cause:
Firmware not provided by Elegoo has been installed. The Neptune 4 series printers use a customized version of Klipper firmware. Firmware updated via Fluidd that is not provided by Elegoo may brick the printer. Installing third-party firmware can also cause this issue.
¶ Tools Required for Troubleshooting:
eMMC adapter
USB drive formatted as FAT32 with a capacity of less than 16GB
TF card formatted as FAT32 with a capacity of less than 32GB
TF card reader
2.0mm hex screwdriver
¶ Troubleshooting Steps:
¶ 1.Update the fix pack, motherboard firmware, and touchscreen firmware
Firmware download link:
https://www.elegoo.com/pages/download
How to update the fix pack/motherboard firmware/touchscreen firmware for Neptune 4 Plus & Max:
https://wiki.elegoo.com/neptune/neptune-4-plus-max-how-to-use-motherboard-and-touch-screen-firmware
How to update the fix pack for Neptune 4 & 4 Pro:
https://wiki.elegoo.com/neptune/load-fix-pack
How to update the motherboard firmware and touchscreen firmware for Neptune 4 & 4 Pro:
https://wiki.elegoo.com/neptune/motherborad-and-touch-screen-firmware-update
Video of the touchscreen and motherboard firmware update procedure:
https://www.youtube.com/watch?v=TC-Y0lonv74
¶ 2.Update the image file
Please refer to the link below to update the image file:
https://wiki.elegoo.com/machines/neptune/maintenance/neptune-4-series/image-installation-methods