Hi,
I wired the motors for the 3 axis, and they worked good, but the extruder motor didn't work. The extruder heater warms good, but when I click the button for extrusion (Control Manual panel) the motor doesn't respond.
I wired the same Pololu driver and the extruder motor in the X axis block of my RAMPS 1.4, and they work without troubles.
Could you please help me?