Bambu Lab A1 Mini Toolhead Board (FAE009) – TH Board Replacement
Genuine Bambu Lab A1 Mini Toolhead Board (FAE009) replacement. The main circuit board connecting all toolhead components.
When to Replace
- Toolhead Not Responding – Communication errors with mainboard
- Hotend Issues – Heating or temperature reading failures
- Extruder Problems – Motor not responding
- Fan Failures – Fans not controllable
- Physical Damage – Visible damage or burnt components
Compatibility
Compatible Printers:
Note: Full-size A1 uses a different toolhead board. |
Specifications
| Bambu Part Number | FAE009 |
| Function | Toolhead board for A1 Mini (connects toolhead components). |





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