Thank you so much for all your help!
How do I switch to driver 4? Which port on the board is driver 4? What needs to change in my config file?

@droftarts Hello again, just wanted to see if you got my last post.

@droftarts Thanks for your help!

config.g

M115: FIRMWARE_NAME: RepRapFirmware for Duet 2 WiFi/Ethernet FIRMWARE_VERSION: 3.4.5 ELECTRONICS: Duet WiFi 1.02 or later + DueX5v0.11 FIRMWARE_DATE: 2022-11-30 19:36:12

The stepper motor is an LDO-42STH25-1404MAC, and it's the extruder motor. I checked the motor operation by plugging it into another duet board, and checked the wiring by connecting the motor into the problem board with another working LDO stepper motor cable.

My printer was working with no problems, but suddenly, the extruded motor stopped working with the error “Driver 3 error: phase B short to ground”.

Checked the stepper motor, and it works fine, how can I troubleshoot the driver issue?