CPF07
Terminal Board Connection Error
Yaskawa · Drive Fault Codes
What does CPF07 mean?
An error related to the connection of the drive's terminal board, which provides external input/output connections (e.g., digital inputs, analog outputs). This can lead to loss of external control signals or incorrect feedback, causing operational issues.
Common Causes
- Loose or improper connection of the terminal board to the main control board
- Damage to the terminal board connectors or the ribbon cable connecting it to the main board
- Physical damage to the terminal board itself, affecting its electronic components.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Power down the drive and inspect the terminal board's connections to the main board for secure seating.
- 2
Check the ribbon cable or interconnecting wiring for damage (e.g., cuts, pinched wires) or proper seating.
- 3
Verify that no foreign objects are shorting contacts on the terminal board or its connector.
Verified technical data. Last updated: March 2026
Related Faults
Source: Yaskawa Drive Fault Codes