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Prusa i3 & Reprap board 1.4.3 X not Homing

Posted by comarius 
Prusa i3 & Reprap board 1.4.3 X not Homing
May 09, 2017 05:26PM
Hi,
This is a continuation for forums.reprap.org/read.php?406,760304

I replaced my faulty Sanguinololu board with Repraps Arduino mega last weekend.
I burn th latest github Marlin firmware.

I followed mainly [www.instructables.com] after several attempts on different places.
I also installed the UI Pronterface app for linux.

I still have some symptoms:

From the knob menu pressing Home it homes only Z(vertical) and Y(the bed). X Does not home.
If I switch the X motor with Y motor, to validate the motor functionality, the Y doe snot home.
If I switch the power modules, to check the modules, between X and Y, still X does not home.

Though:
I checked the end stops They are NC (closed when not home / opened when homed)
I checked the wiring and they are switching properly when the switch is hit by the associated axis carriage.
The motors move using the pronterface as:
Y moves on both depending where I do click +/- 0.1/1/10 mm
Z moves on both depending where I do click +/- 0.1/1/10 mm
X moves only on left (towards home). Sometime it moved right too, but I cannot find a pattern / when and why (between powers ups/downs, weird...).

I tried to print the testcube 2cm after I homeit it on X manually, and it start printing off bed, about
X half off the bed, and Y in the middle

Thank you.

Edited 1 time(s). Last edit at 05/09/2017 05:39PM by comarius.
Re: Prusa i3 & Reprap board 1.4.3 X not Homing (Solved), Still Problems
May 11, 2017 10:57AM
The X Home Max was reporting triggered.
Long story short: I jump-ered the X min stopper, and plugged the left X switch stopper to Max x stopper,
and now Home homes to left (X), bottom (Z), forward (Y).
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