The YF08E is the level shifter IC used on the VanMoof S3 and X3 smart cartridge PCB.
A failed YF08E chip can cause communication problems inside the cartridge and may result in Error 44, even when the e-shifter itself is fully functional.
Replacing this IC restores normal signal levels between the processor and the communication circuitry when the original chip has failed.
This product is intended for board-level electronic repair.
Symptoms
This chip may be defective if:
- Error 44 is present.
- The e-shifter has already been tested and confirmed to be working.
- Wiring harness and connectors have been ruled out.
- Diagnostic measurements indicate a faulty level shifter.
Replacing this chip will not repair Error 44 caused by:
- defective e-shifter
- damaged cartridge PCB
- wiring harness faults
- connector corrosion
- firmware or software issues
Compatibility
Compatible with:
- VanMoof S3
- VanMoof X3
Not compatible with S1, S2, X2, S5 or A5.
Specifications
- Part number: YF08E
- Function: Logic level shifter IC
- Package: SMD
- Condition: New
Installation
Professional soldering equipment and experience with SMD rework are required.
This component is intended for technicians experienced in PCB repair.
Incorrect installation may permanently damage the cartridge.
Package contents
- 1 × YF08E level shifter IC
Disclaimer
This component is supplied as a replacement electronic part only.
Successful repair depends on correct diagnosis. Error 44 can have multiple causes, and replacing this IC is only appropriate when the original level shifter has been confirmed to be defective.






