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Hotend Heat Up Intermittent Lag


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Posted · Hotend Heat Up Intermittent Lag

Hi guys,

I have a UM1 and am facing an issue with hotend:

--When i start print, I manually push up the temperature to 200c (controlled via laptop).

--However, it usually takes sometime before it actually starts heating up. So on the temperature graph in cura, there will be a long flat line (at room temperature), then suddenly / randomly it will heat up.

Sometimes everything will be fine. I raise the temp in CUra, and it heats up immediately.

What's the best way I can I can trouble shoot to see what the problem is?



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