Centroid Community CNC Support Forum

not sure what happened instaled THC last saturday and have been trouble shooting ever sence. Is there a way to redisable/uninstall thc to prove that is were the problem is? if i un wire i get an error code i have to b missing something simple

Can you create a report and attach the report .zip so we can look at the settings.


To create a report go to the CNC12 F7 Utility menu. This is also where you load the license.

Turn THC to not installed in the Profile manager's THC config menu. If the THC config menu is set to installed without the THC actually installed then the encoder error will result.

sorry i dident even think of that thanks for the help

Bak, I'm not seeing anything alarming from the report, I'm not sure what your table looks like but 300ipm max rate and .5 accel/Decell nothing to fast.

Can I see the cabinet and the Table your working with? You can attach pictures but a Google photo album would be best.
What kind of motors and drive are you running? Can you post some pictures of each axis drive system?


What type of Plasma cutter are you using? Your THC plots had some interference when the torch wasn't on but clears up when the torch is on.
THC plots I saw when the torch was running looked pretty good.

In this plot the Target voltage looked to be way off from the actual voltage and the THC lowered the torch into the material I'm guessing.
But at least the THC voltage reading was clean. Thats a good start

Nena 34s idk any more about them they came with the table dm556t drivers Hypertherm sync 65 I can take better pics when I get home

More Pictures will be great.

Make sure the Hypertherm Communication lines are shielded and not running a long side other cables.

is there anything imperticular u want pictures of
the hypertherm cable is not shielded i talked to them and they dident think it would matter but now i will definitely change that
thanks agan for all the help

All of Hypertherm's communication cables are all shielded cables with grounds.

Try a rapid test of each axis.

Mark the starting point for each axis before starting the test.

Rapid back and forth and see if you lose position.
At the end of the job when you return to that axis zero position. If that position has moved from where you marked, then you know you're losing steps.
This is a good way to test to see if it's the torch interference or not.

G0 is a rapid move done at the max rate
For example to test X use a G Code like so

G0 X 20
G0 X 0
G0 X 20
G0 X 0
G0 X 20
G0 X 0

i can scribe parts and come back to starting point just did the rapids and came back to stars also
i also have all the cable as far apart as i can and had torch cable out of energy chain trying to find were the interfierence is

Sounds like your not loosing steps when the HYPERTHERM is off


Have you tried cutting with the Torch cable out of the energy chain?