What is happening?

I was test running some code and it was running as expected. A friend showed me something on the settings tab and I shut mach 3 down.

I later restarted it and test ran my code. It now operates differently. After a tool change and spindle start, the axis go to zero slowly, one at a time.

What did we do to change this behavior?

Thanks in advance.

Do you just do a manual tool change? If so maybe you turned on the auto toolchange option on General Config page.
Hood

Do you just do a manual tool change? If so maybe you turned on the auto toolchange option on General Config page.
Hood

I have it set to Ignore Tool Change to test run the code -- disconnected from a system.

To clarify: X axis slowly goes to zero, then Y, then Z. Only one axis moves at a time.

attach your xml and a piece of code that gives you the problem and I will try and replicate it.
Hood

If I remove the M3 word, all works normally.

Why would M3 (Spindle Direction) cause the axis to zero?

I am new to MACH. What do you mean when you say xml? The Mach3mill.xml file?

yes the Mach3Mil.xml  is correct if you are using the standard mill profile.

Not sure why M3 would do that unless your M3 macro has changed somehow. Do a test and just M3 from the MDI line.
Hood

M3 from the MDI causes a zero.

I looked at the m3 macro. it got stepped on...somehow has:

X = PARAM1()
Y = PARAM2()
Z = PARAM3()

CODE "G1 X"&
CODE "Y"&-Y
CODE "Z"&Z

No clue how it got changed.

Looked at m4, it reads : DoSpinCCW()

Assumed m3 should read: DoSpinCW()

Testing...

Yes, looks like you or someone changed your M3 by accident, the DoSpinCW() is what it should be for a standard setup.
Hood