¶ Problem Description
The Touchscreen displays a -30℃ or abnormally high nozzle temperature.
¶ Possible Causes
- The thermistor of the hot end is broken.
- The quick-release cable is broken.
- The 3D Printing Module is malfunctioning.
¶ Solution
- Check whether all pins of the quick-release cable (the one that is connected to the hot end) are intact and whether they are shrink.
- Refer to this video to replace the hot end.https://drive.google.com/file/d/16lLntfp-3V-j48pP_-aeRtADg49mSnek/view
If replacing the hot end does not solve the problem, please kindly submit a support ticket through https://snapmaker.formcrafts.com/support-ticket and share your troubleshooting results with some pictures/videos.
Our dedicated support team will be more than willing to assist you in resolving the issue.