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Post by chrisn on Jun 20, 2018 14:39:20 GMT -5
So it happens more frequently now. But the Zero Z function crashes into the Puck and tries to continue in -Z direction. I have checked the Cable and the screw and the little connector. it happens about 1 in 20. Enough to make me worry every time. When it does that it really messes with all to XYZ positions. Which gets expensive.
Any ideas?
Chris
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Post by chrisn on Jun 20, 2018 14:41:59 GMT -5
I'll open the panel and check those connections after lunch. I have the machine OFF right now and resting in X=0 Y=0. I'll try again after lunch. Maybe with a 1" block of foam under the puck to lessen the beating when it tries to continue down.
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Post by chrisn on Jun 20, 2018 16:15:16 GMT -5
Maybe there was a little hunk of plastic or sawdust on the tip. I'll keep a wire brush handy and report back.
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Post by gerry on Jun 20, 2018 17:22:29 GMT -5
You could have a broken wire on the puck. Flexing could break the connection. Put a meter on the cable from the puck surface to the end of the puck cable and see what happens when you wiggle it around. Same thing with the puck female connector. Could also be a bad connection in the puck. As delivered there is not a good strain relief on the puck.
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Post by chrisn on Jun 20, 2018 18:42:59 GMT -5
Ahh yes I have that tool.. Great Idea. Thanks
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Post by gerry on Jun 20, 2018 18:48:54 GMT -5
If you have an analog meter (not digital), it works great for checking these types of problems. It's easier watching for a needle to dip than it is watching a digital display change. I've kept my old one just for this type of problem.
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grg
Junior Member
Posts: 140
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Post by grg on Jun 21, 2018 10:11:19 GMT -5
You can also use the continuity tester function of a reasonably quality digital multi-meter. They typically will beep when a circuit is closed. Connect the probes to the touch pad and to where the wiring lands in the control enclosure and listen for the constant "beeeep" to be interrupted or crackle as you wiggle and move wires and connections.
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Post by chrisn on Jun 21, 2018 18:17:31 GMT -5
Gerry and Grg.
Thanks. Bad wire. Just like you suspected.
All fixed and I used the thicker insulation as a strain relief. Then even added a little bead of hot glue to add to the relief.
Thanks!
Chris
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Post by gerry on Jun 21, 2018 19:34:15 GMT -5
I also added a strain relief to mine.
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