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Al Strelbicki at Parts and Smarts in Burlington, WI stocks them. Here's the link. Parts & Smarts Inc. Products. And here is his phone number 262 206 4848. Al is very knowlegable about these...

I dislike leaving questions unanswered, and this post is for future inquiries that are experiencing a similar problem.

I'll try to make a long trip down Alice's rabbit hole short. I couldn't get...

My problem lies with a Tree Journeyman 310 Mill equiped with a Dynapath Delta 20 control.

When I use the Positioning Mode (Mode 0) the mill advances to the X,Y coordinates and freezes up from...

My problem lies with a Tree Journeyman 310 Mill equiped with a Dynapath Delta 20 control.

When I use the Positioning Mode (Mode 0) the mill advances to the X,Y coordinates and freezes up from...

I'm not familiar with your particular mill. However, if it's like earlier Tree mills the battery will be on one of the PC boards insided the controller case. Happy Hunting!

I'm in possession of aTree Journeyman 310 Mill with a Dynapath Delta 20 control along with the control manual. And while the manual is quite thorough, it is more of a "Reference Manual" and not...

I have a "CHECKSUM ERROR DETECTED ON PROM PAIR 1" on startup on my Delta 20 control. Any thoughts or suggestions?

Dynapath still sells the manuals so selling a copy would be stepping on their toes (copyright). And yes, they do pay attention. I know the Delta 10/20 manual sells for about $210.00; pricey but...

Sending the control to Al Strelbicki at Parts and Smarts is what I did when I had similar problems. They fixed several problems, including a faulty DC power supply, and reset the machine parameters...

If you have a lot of patience and $210.00 you can teach yourself by reading (and rereading many times) the Original manual which is still available from Dynapath. I highly recommend the manual,...

Without knowing the series of the control I will assume it's 10/20 vintage and assume that you are using one of the circular canned cycles which will want to lift the cutter up the z axis, and...

ice9er,
Welcome to the world of Dynapath controllers! You are correct, they're quirky by today's standards. But they are a great foundation machine. I own a Dynapath 20 control on a Tree mill. ...

If all else fails order one from Dynapath. They are $210.00, but worth every penny in the end.

Elnerdo: Yes, the error is in both directions. The hardware is all original. But thanks for the offer of a pulley. After talking with Al Strelbicki at Parts & Smarts, the answer is yes, it's a...

On the Z axis a 0.100" jog results in a 0.127" move. That's considerable. Sound like a messed up parameter setting?

I have a Tree Journeyman 310 Mill with a Dynapath 20 Control. The Z axis moves a greater distance that the controller instructs it to (programed or jog). How is this properly corrected? Is it a...

Well, I sent my whole Delta 20 controller for repair to Al Strelbicki at Parts & Smarts in WI. They diagnosed a faulty DC power supply as the culprit. They also reloaded the machine parameters,...

I've been told that the trouble usually starts with the DC power source on old Delta 10/20 controllers. AC "ripple" effect, and dried out capacitors (old age) being most common. Check the Dynapath...

Given the timing of your post and the condition of your machine, I have to ask; did you buy this machine on eBay from Reliable Tools? I'm curious because I recently bought it's "sister" from R.T....

This just gets more interesting by the post. It just takes the right explanation, and a little while to get my mind wrapped around the ideas, for it to begin to make sense. Thanks for your input...

I count eleven terminals on the DC power supply for the controller. So which voltages go to which terminals?

And, what is the "Watch Dog Timer" (WDT) and what purpose does it serve?

Actually,...

Well, digging even deeper I have discovered that some of the output terminals on the DC voltage supply to the controller have no voltage whatsoever. This could be the problem,no? Does anyone have...

Thank you Donnelson and Kwhizz for your suggestions. But they didn't work. On closer inspection I discovered that a couple of red LEDs are lighting up inside the controller. On the "PIC" board...

I've just acquired a Tree Journeyman 310 Mill with a Dyanapath Delta 20 Controller. When I start it up I get the usual E-Stop error which I can clear. That is followed by instructions to "Reference...