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Post by flatom on Oct 14, 2018 14:24:33 GMT -5
When I hit home command the X (-) position hits end of mechanical travel and then continues to try to run the step motor. There is 24 vdc coming too the sensor but no led light on when sensor comes to metal sensing bar. Anyone replace a sensor yet?cost ? The contacts are Normally open.
Thanks for any info on trouble shooting.
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jrg
New Member
Posts: 32 
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Post by jrg on Oct 15, 2018 10:21:21 GMT -5
You can normally find them on Amazon or EBay for around 5 or 6 bucks. I've designed and built several CNCs using these proximity switches and have never had any issues. You should be able to find a direct replacement by typing in the model information and doing a search on Google.
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grg
Junior Member
Posts: 140
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Post by grg on Oct 16, 2018 13:51:45 GMT -5
Check that the signal wire from the proximity switch isn't cut or making a bad connection. A light coming on the sensor itself usually indicates that the sensor is OK. However, it doesn't mean that the signal is getting back to the controller. I would look for a broken cable or bad connection where it terminates on the controller.
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