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Light and power switches analogue

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Hi, Can any one tell me where the wires from the stepper switch go. I have converted to analogue from digital and steppers will not move, laser works OK.  There is nothing showing these or where they go. Many thanks


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Hi Mike,

I've never heard of a 'stepper switch', and the photos look like an it's an older model k40?

If you've plugged in the stepper motor cables directly to the Mini Gerbil, the former wiring to the stepper switch shouldn't do anything.

If you have a multimeter/voltmeter, are you able to confirm that 24V is getting to the controller?

Also, please send a photo of your installed Mini Gerbil controller board.




I call it a stepper switch because I turn it off to move axis by hand? Any way followed your article regarding changing from digital to analogue, laser fires as it should but motors do not move. I did look through the article again and saw in a photo that you have not used this switch. I have 24v at the PSU going into the mini gerbil but no movement on steppers, no power is getting to them. I am using Lightburn, the K40 is about 3 months old. Attached some photo hope you can understand them as I am no electrician!

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Thanks Mike,

I noticed your main white plug doesn't look too secure in the last photo? If you can ensure that's 100% seated onto the board, like this image, then we can discount the connection as the cause. If you need to push firmly to seat the plug onto the board, please put a wooden spoon or similar underneath while doing so, to support the board so it doesn't flex.

If it still doesn't work, please email me directly and I'll organise a replacement.




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Hi Dan, tried to clip it in as suggested but it will not go. What is your email? Also G+ has been taken off google now and a few of your links are to G+

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