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Discussion Starter · #1 ·
Hi everyone, this is my first time using this CNC Machine. The purpose of buying this machine is that i wanted to mill my own PCB using the CNC3018 Pro. But i am having this problem for a few days and i have been searching online but with no result. The problem I encounter is that whenever i try to do the z-probe or the heightmap for my PCB, I will always get and alarm status on my candle GRBL software, and in the console it doesn't mention what is the error. So my question is :

1) Is there anything i need to do before i started doing the heightmap? ( I have already connected the crocodile clip to the A5 pin of the controller board and also when doing the heightmap, i have connected the crocodile clip with the engraving bit and my copper clad)

2) Do I have to set up the homing position before i started doing the heightmap?

3) I really think that i have miss some important step for doing the hrightmap ( I am new to this CNC world)

Extra Info:
1) The result from the $$ command
$1=0 (step idle delay, msec)
$2=0 (step port invert mask:00000000)
$3=1 (dir port invert mask:00000001)
$4=0 (step enable invert, bool)
$5=0 (limit pins invert, bool)
$6=0 (probe pin invert, bool)
$10=3 (status report mask:00000011)
$11=0.010 (junction deviation, mm)
$12=0.002 (arc tolerance, mm)
$13=0 (report inches, bool)
$20=0 (soft limits, bool)
$21=0 (hard limits, bool)
$22=0 (homing cycle, bool)
$23=0 (homing dir invert mask:00000000)
$24=25.000 (homing feed, mm/min)
$25=500.000 (homing seek, mm/min)
$26=250 (homing debounce, msec)
$27=1.000 (homing pull-off, mm)
$100=400.000 (x, step/mm)
$101=400.000 (y, step/mm)
$102=400.000 (z, step/mm)
$110=1500.000 (x max rate, mm/min)
$111=1500.000 (y max rate, mm/min)
$112=1500.000 (z max rate, mm/min)
$120=10.000 (x accel, mm/sec^2)
$121=10.000 (y accel, mm/sec^2)
$122=10.000 (z accel, mm/sec^2)
$130=320.000 (x max travel, mm)
$131=195.000 (y max travel, mm)
$132=45.000 (z max travel, mm)

2) I dont know what to provide anymore, if u need anything just let me know and i will try to provide it.

Thanks for anyone who are willing to help this newbie solving this issue. Much appriciated.

Super Moderator
6,962 Posts
Hello and welcome to the router forum, Jack
Sorry I am unable help but we have a lot member that use CNC’s that can

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