I was using the Universe G-code sender and hit the return to zero when I was trying to set the current location as zero. It first tried to push the bit into the waste board but then stopped within a few seconds and then raised the bit and moved to the center of work area.
After that it started sounding like it was moving one step at a time and the Z- axis just flashes as it does this(fast rate). It does not actual move the Z motor at all. It also seems to be in a cycle. after a short while it sounds almost like it is trying to make one big move then starts again. If I send a command to the Z motor to either raise or lower you will see the motor try to move but just does not have enough power to do so. The other axis all work fine.
I have hit the rest on the G-shield and everything stops for a second but then starts right up again. have powered down the whole system and rebooted the laptop and as soon as the laptop powers back up and provides power to the Arduino the same thing starts to happen again.
The console just shows the following over and over again.
I am not sure how to get it to stop what it is doing and start operating again. any help would be great.