2004 Switching Motor Unit - H2C/H2D Pro/H2D
Compact stepper motor (with pre-installed hall sensor board) mounted on the extruder rear cover of dual-nozzle toolheads; it drives the mechanism that switches between the left and right hotend/filament channels. If it fails, the printer cannot change active nozzles and dual-material printing stops. This 2004 Switching Motor Unit is a genuine Bambu Lab replacement part for the Bambu Lab H2D, H2D Pro and H2C.
Installation
Learn more about the replacement of 2004 Switching Motor Unit on Bambu Lab Wiki.
When to Replace
- HMS error: extruder switching motor working abnormally
- Printer fails to switch between left and right nozzle
- Grinding or stalling noise during nozzle changeover
- Hall sensor open/short circuit errors for the switching motor
Compatible With
- H2D
- H2D Pro
- H2C
Product Details
- Dimensions: 120 x 82 x 65 mm
- Weight: 0.113 kg
