Z Axis Homing Head Crash

Attached is the Configuration.h

I have a RepRap Prusa Mendel i3, and every time I home the Z axis again after I calibrate it, the head will crash into the bed. The Z Steps/mm setting of 4000 has worked before, but now it suddenly doesn't?

Edited 1 time(s). Last edit at 07/31/2015 06:11PM by hhbhagat.

connect your printer to your host and type in g-code M119

that will show the status of your endstops and if they are triggered or not

if it isnt being triggered when you home that axis, the head will crash.

if M119 shows that endstop isnt being triggered check to see if there are broken wires from your endstop to your board.

ut is also possible that your endstop is in the wrong port. raise the axis way up, and then on its way down go and manually trip all of the other end stops to see if they do anything.

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Master Tinkerer