Home / Forum / Troubleshooting / (bump because I need an answer) extruder not heating / Reply To: (bump because I need an answer) extruder not heating
If everything is wired correctly, then there is something wrong with your thermistor or your firmware. Is the hotend temperature being displayed in your printer control software? It should be somewhere around 21C for room temperature. If you could post your configuration.h file, that would be helpful.