CPF24
Drive Unit Signal Fault
Yaskawa · Drive Fault Codes
What does CPF24 mean?
A general fault indicating an issue with an internal signal within the drive unit, possibly related to data integrity or synchronization between different drive sub-systems. This points to an internal electronic malfunction affecting reliable operation.
Common Causes
- Internal signal integrity compromise due to severe electrical noise or electromagnetic interference
- Faulty internal wiring or communication pathways within the drive unit
- Malfunctioning internal sensor or signal generator component.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Cycle power to the drive to reinitialize internal signals and reset the control system.
- 2
Check for stable and clean input power supply to the drive, minimizing voltage fluctuations.
- 3
If the fault persists, request internal drive diagnostics or component replacement by a qualified technician.
Verified technical data. Last updated: March 2026
Related Faults
Source: Yaskawa Drive Fault Codes