This article applies to the following model and module. Please take note when referencing:
Model: U1
The U1 cannot recognize the toolhead heating command and displays error code: 0003-0523-0000-0006.
The set extruder temperature exceeds the allowable range and displays error code: 0003-0523-0000-0036.
A compatibility issue exists between the slicing software and the U1.
The temperature settings in the G-code file are abnormal.
After following the troubleshooting steps, if you find it difficult to resolve your issue, kindly submit a support ticket through https://snapmaker.formcrafts.com/u1-troubleshooting-request 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.