CPF14

Control Circuit Error

Yaskawa · Drive Fault Codes

What does CPF14 mean?

A control circuit error indicating a malfunction within the drive's internal control logic or hardware. This fault often points to damaged internal components that necessitate power cycling and potential hardware replacement, affecting the drive's core functionality.

Common Causes

  • Internal hardware malfunction on the control board due to component failure
  • Transient electrical noise or severe disturbance affecting the control circuit's operation
  • Degradation or failure of internal electronic components over time.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Perform a power cycle by disconnecting and reapplying input power to the drive completely.

  2. 2

    Visually inspect the control board for signs of damage or burn marks on components.

  3. 3

    If the fault persists, replacement of the drive control board or the entire drive unit may be necessary.

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

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