Shapeoko XXL CM 5.12 Wont jog Z below Zero

I had a quick project I wanted to cut. I turned on my Shapeoko XXL, initialized, inserted a #302 bit, went to BitSetter and router returned to front center. My project was already on the spoil board so I jogged over to it to set zeros. The HDZ will not jog below zero. The HDZ will jog up but as soon as on t he screen the Z reaches zero it stops and will not go down any further.

I sent the default config for an XXL, BitSetter and BitRunner with HDZ. I did that twice and the machine reinitialized each time but still will not jog below what CM says is zero. The bit is still about 2 inches from the spoil board.

I sent the $$ command on the MIDI and here are the results:

$$
$0=10
$1=255
$2=0
$3=2
$4=0
$5=0
$6=0
$10=255
$11=0.020
$12=0.010
$13=0
$20=0
$21=0
$22=1
$23=0
$24=100.000
$25=2000.000
$26=25
$27=3.000
$30=1000
$31=0
$32=0
$100=40.000
$101=40.000
$102=320.000
$110=10000.000
$111=10000.000
$112=1300.000
$120=500.000
$121=500.000
$122=100.000
$130=845.000
$131=850.000
$132=150.000
ok
$#
[G54:0.000,0.000,0.000]
[G55:0.000,0.000,0.000]
[G56:0.000,0.000,0.000]
[G57:0.000,0.000,0.000]
[G58:0.000,0.000,0.000]
[G59:0.000,0.000,0.000]
[G28:0.000,0.000,0.000]
[G30:0.000,0.000,0.000]
[G92:0.000,0.000,0.000]
[TLO:0.000]
[PRB:-25.100,-788.800,-104.359:1]
ok
$G
[GC:G0 G54 G17 G21 G90 G94 M5 M9 T0 F50 S0]
ok

Any suggestions to fix this?

If you mean CM521 what do you have set for Travel Dimension for the Z-axis?

If 95mm, change to 140 or 150mm.

Sorry I am sometimes bass ackards it is CM 521. So I changed to 140 and it worked. Now what I dont understand is I choose default, selected XXL and HDZ and hit ok, then sent configuration. So why did the default config pick 95mm and not 140/150MM for an XXL/HDZ. Does Carbide3d not know the defaults of their machines?

It’s a bug/oversight. Hopefully @robgrz will fix it in the next version.

Thanks Will, a bug makes sense.

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