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Re: Unusual stepper ratings - vref settings for new Melzi

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Sorry - I thought I'd replied to your post Cefiar but it seems I didn't!

I will check what you've suggested tonight all being well. Have had a very busy few days, however I did make some progress last night.

I took the printer to my friend's house to sit it beside his one, and compare. It seems my other friend that I bought it from (nearly complete but not quite) had made a few mistakes when assembling it, so I corrected these things and got it mechanically at least how it should be set up.

Currently, the issues I've got can be summarised as below:
1) The extruder motor is not responding to manual commands in either direction (even after the nozzle is over 170 and it's 'enabled'). Not sure why.
2) Non of the end stops are functioning. Pressing them appears to make no difference to the movement in either direction of any axis.
3) The bed doesn't heat, and states that it is at -33c at ambient temperature. Already covered, above.

So I'll look at the bed issue tonight and see what I can find out from there.

No idea on why the extruder is being ignorant to its instructions, but the end stops not working is I presume something that needs tweaking in the config file.

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