CPF08

Terminal Board Connection Error

Yaskawa · Drive Fault Codes

What does CPF08 mean?

Similar to CPF07, this indicates a connection issue with the drive's terminal board. This could be a specific type of connection error or related to a different terminal board than CPF07, impacting specific external I/O functions.

Common Causes

  • Loose connection of the terminal board or a specific I/O module attached to it
  • Corrosion or damage to the connectors on the terminal board interface
  • Physical damage to the terminal board or its components leading to communication failure.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Power down the drive and visually check all connections to and from the terminal board for integrity.

  2. 2

    Inspect the terminal board for any visible damage or signs of overheating on components.

  3. 3

    Reseat the terminal board connectors firmly to ensure good electrical contact.

Browse all codes in this manual (60)
Verified technical data. Last updated: March 2026

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