Home › Evil Mad Scientist Forums › Egg-Bot › Nothing happens when trying to calibrate pen up/ pen down › Re: Nothing happens when trying to calibrate pen up/ pen down
April 19, 2013 at 2:42 am
#21322
Windell Oskay
Keymaster
Usually, this means that the power supply is not plugged in or is not working.
Check that the lights on the EBB still light up when you disconnect the USB cable.