@sneakyferret a cat6e should do the trick aswell more than proberly shielded. another thing ive noticed is you also use v rollers as your movement system on your axis. i know it is a dumb question but did you make sure all of them properly engage with the extrusions they are runnning in ive had to clean my extrusions quite a lot with some isapropanol and properly engage every single V-Roller. I`ve also dissambled, cleaned and relubed them in order to get a smooth motion system had a lot of pinched rollers.

@leprint said in (wasn't sure if allowed) Selling my HE3D Duet3d hardware printer:

Hi, had similar issues with a predator i converted by myself to use a Duet2 Wi-Fi and a Smart Effector plus Haydns Magball Arms what did it for me was calibrating the correct z=0 and trigger height sounds to easy to be true but it worked and saved the build for me.
So if you are sure everything runs smooth and is properly build, belts are not over tightened try this:

Basically I’ve used a sticky note to determine the right z=0 afterwards i basically followed the tutorial you can find online to determine the right trigger height. With that done I preheat my buildplate (ultrabase pro by anycubic) to 60C and run the delta auto calibration. And all of a sudden it prints perfect first layers, small changes I also had to do: change back from those Chinese fake high flow nozzles with copper inserts to a normal .4 brass nozzle and use a fresh roll of pla used quite an old roll of pla and couldn’t get it to stick. If you already did all of that I’m sorry to waste your time by writing an essay

I’ve just checked in your bed.g you run a 7 factor calibration i only use 6 factors as recommended by the guys at Duet with 12 points 1 directly below each tower 1 point opposite each tower at the outer circumference of the bed and then i just go smaller and smaller diameter circles and the final point is spot on in the middle of the bed.
Also I’ve used slower diving speeds one the probe motion itself in order to not false trigger it.

Hi, had similar issues with a predator i converted by myself to use a Duet2 Wi-Fi and a Smart Effector plus Haydns Magball Arms what did it for me was calibrating the correct z=0 and trigger height sounds to easy to be true but it worked and saved the build for me.
So if you are sure everything runs smooth and is properly build, belts are not over tightened try this:

Basically I’ve used a sticky note to determine the right z=0 afterwards i basically followed the tutorial you can find online to determine the right trigger height. With that done I preheat my buildplate (ultrabase pro by anycubic) to 60C and run the delta auto calibration. And all of a sudden it prints perfect first layers, small changes I also had to do: change back from those Chinese fake high flow nozzles with copper inserts to a normal .4 brass nozzle and use a fresh roll of pla used quite an old roll of pla and couldn’t get it to stick. If you already did all of that I’m sorry to waste your time by writing an essay

Hey just realised I didn’t read your description well you have really long cables running to your effector and they are not shielded in any way have u tried using cat 7 cables or something like that they seem quite long for unshielded non twisted cables. Another problem I first had was not enough slack in the cable so my tool head ever so slightly was pulled inwards creating a problem with probing.