Internal communication error in the toolhead TH board, resulting in inability to retrieve the switching motor hall information. If this error occurs multiple times, replace the TH board.
H2.0 Allen key
H1.5 Allen key
Tweezers
Users may adjust the order of these solutions as needed.
Restart the printer. If the error persists multiple times, proceed to Step 2 to replace the TH board.
Refer to this Wiki Disassemble the H2D toolhead to replace the TH board.
Note: If the TH board is replaced, perform a toolhead switching calibration after assembling the toolhead.
The following HMS codes represent the same type of issue.
| HMS Code | Description |
|---|---|
| 07FE-8100-0001-0003 | The hall signal of the Extruder Switching Motor is abnormal, possibly due to internal communication failure in the Toolhead module. |
| 07FF-8100-0001-0003 | The hall signal of the Extruder Switching Motor is abnormal, possibly due to internal communication failure in the Toolhead module. |
| 18FE-8100-0001-0003 | The hall signal of the Extruder Switching Motor is abnormal, possibly due to internal communication failure in the Toolhead module. |
| 18FF-8100-0001-0003 | The hall signal of the Extruder Switching Motor is abnormal, possibly due to internal communication failure in the Toolhead module. |
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