C2 problem

[myxpykalix]

I just finished doing a 3d carving finishing pass in mdf and went to do a C2 after inserting a vbit for some text and went and clipped my alligator clip on as usual put the aluminum plate down pressed C2 and the Z lowered and kept pressing down till it defaulted and crapped out. I tried putting the clip in various places with the same result.

I thought maybe mdf dust was making it so i was not getting good contact but i cleaned all places.

When i take the al plate and touch the router bit the light on the control panel lights up so it is making contact and a complete circuit. I decided to shut everything down and start over incase their are gremlins in the control box, Any ideas what to do to fix this?:confused:

[jerry_stanek]

Have you checked in your shopbot setup that you have a z zero plate.

[bleeth]

Make sure you didn't "bump" your e-stop.

[myxpykalix]

I have had to hit my E stop a couple times lately but once you hit the reset button that clears it up. I also have had my proximity switch go past the bolt because the doublestick tape is failing and it hits the mechanical stop and craps out, and i have to reset.

In a sense they are related because they are all proximity switches but this is solely on the Z when i try to C2 it just keeps going till it bottoms out.

[loriny]

Sounds like Z-zero prox is turned off if the light come on but it doesn't stop.
Lorin

[ken_rychlik]

Jack, Have you "upgraded" your sb3 lately?

When I put 3.6.20 on my machine, it started doing the same thing.

I went and got an old copy of the z zero routine from an older version and it works fine now.

[myxpykalix]

I have an older version something like 3.5x It is a version or 2 back. I haven't upgraded lately or changed or done anything lately. It worked fine on the previous cut, then it did it on this cut. I am going out now to try it again so i'll see if it is doing the same thing.

[knight_toolworks]

could be as simple as gunk on the tip. I have had that happen. sometimes the software just glitches out too.

[myxpykalix]

I found the source of the problem. When i opened up the control box several of these jumped out and ran around the shop till i was able to catch one and see what it was.

I did a google search and found out that it is a gremlin named "rarry" that likes to feast off of the silicon material in computer chips. Lucky i found them before they did much damage but the others got away so i'll be on the look out....

So its works now...back to normal