¶ Issue Description
The extruder motor is installed in the center of the toolhead and is responsible for driving the extrusion gear. It contains a built-in position sensor.
The printer monitors the status of the extruder motor sensor both during startup and while printing:
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If an error is detected during startup: The issue must be resolved before any print job can begin.
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If an error is detected during printing: The print job will be paused. You must fix the issue and restart the printer before resuming.
Possible causes:
- Loose connection between the extruder motor cable and the TH board
- Loose connection between the extruder motor cable and the motor itself
- Sensor failure inside the extruder motor
Extruder Motor Communication Diagram
¶ Troubleshooting
¶ Tools, Equipment and Materials
- H2.0 hex screwdriver
- H1.5 hex screwdriver
¶ Fault Isolation Process and Solutions
¶ Troubleshooting Steps
Users may adjust the order of the following steps as needed.
¶ Step 1. Disassemble the Toolhead to Expose the TH Board and Check the Motor Cable Connection
Refer to the Wiki guide: Replace the H2S Extruder Unit）, Steps 1–3, to expose the TH board.
Carefully inspect whether the extruder motor cable is securely connected to the TH board. If any looseness is found, reinstall the cable to ensure a firm connection.
¶ Step 2. Replace the Extruder Motor
If the cable connection is confirmed to be secure but the issue persists, follow the Wiki guide: Replace the H2S extrder motor to replace the extruder motor.
If the above steps do not resolve your issue, please submit a ticket and upload your printer logs
¶ Conclusion
We hope this guide will provide you with useful information and help you solve problems.
To ensure that you operate safely and effectively, if you have any doubts or questions about any steps in the guide, please contact our Customer Support team before starting the operation.
We are always happy to answer your questions and provide support.
Click here to contact online technical support (service hours 9:00-21:00)