This article applies to the following models and modules. Please pay attention to the details when referring to it:
2.1 If the abnormal hot end issue persists after changing the hot end, it is likely related to a module issue. Follow these steps for troubleshooting:
2.1.1 Inspect the hot end board’s gold fingers for any signs of deformation or damage.
2.2 If the abnormal hot end issue disappears after replacing the hot end, it is likely related to a hot end issue. Follow these steps for troubleshooting:
2.2.1 Measure the resistance of the hot end's heating tube and PT100 temperature sensor. The normal values should be around 14Ω and 110Ω:
Reference: PT100 Resistance table
Reference Video: Testing Cable Looseness on Dual Extruder Hot End
Additionally, check the other end of the 5P cable to ensure it is securely plugged in and inspect for any bent pins.
Please refer to the below video to take out the inner module from the shell and locate the 5P cable.
After following the troubleshooting steps, if you find it difficult to resolve your issue, 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.