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Hot end fluctuates temperature during heat up

Posted by Tonyjr17 
Hot end fluctuates temperature during heat up
March 15, 2020 12:42PM
Hey guys, beginner here. I have an aurora z605 with ramps 1.4 and running on the repetier host. The hot end wouldn't heat up at all, so I replaced it. Now it does have heat, but during heat up the temperature will rise and fall. The graph doesn't look smooth like the heated bed, and other graphs I've seen. It gets stuck somewhere between 80 and 110 degrees celsius, and just rises and falls while in that range. Does anyone have any ideas on what could be going wrong? Any advice would be appreciated.

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