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Apr 2016
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rogerm
Apr '16

I’m having trouble with my 3D printer it is the Ctc clone of the replicater2 the right nozzle heats up but the screen shows not so the print will not start it then says check connections ,i have checked all connections but they appear ok I’m new to 3D printing and would like some help

Rob_Lee
Apr '16

Sounds like the thermocouple is bed, I have to replace my left few month back. You can move the left thermocouple to the right nozzle and preheat it again, see if the temperature show on the LCD screen then you know for sure.