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ErrorLib — Industrial Fault Code Library

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OPE02

Constant Data Out of Range

Yaskawa · E7 Drive

What does OPE02 mean?

An Operator Programming Error indicating a parameter has been set above its allowable range. The Drive will not operate until the parameter is set correctly.

Common Causes

  • A drive parameter (e.g., acceleration time C1-01, maximum frequency C0-01) has been manually entered with a value exceeding its defined upper limit.
  • A calculated parameter (e.g., resulting from other interconnected parameter settings) has inadvertently pushed a dependent parameter out of its valid range.
  • An incorrect parameter group (e.g., 'Standard' vs 'Advanced') or drive mode selection is active, causing parameter ranges to shift unexpectedly.
  • Attempting to restore parameters from a backup file that was created on a different drive model or firmware version.
  • Firmware corruption or an internal memory error causing the drive to misinterpret parameter limits.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    1. Identify the specific parameter causing the fault (often displayed on the operator or in diagnostic logs). Refer to the parameter manual.

  2. 2

    2. For the identified parameter (e.g., C1-01), verify its allowable minimum and maximum setting range in the drive's parameter manual.

  3. 3

    3. Adjust the parameter value to be strictly within its specified valid range. Save the parameter change.

  4. 4

    4. If the faulty parameter is not explicitly displayed, perform a factory reset (e.g., A1-03 = 2220) and re-enter all parameters carefully from scratch.

  5. 5

    5. Check if the drive is operating in a specific mode (e.g., PLC mode, custom control mode) that might affect parameter ranges; switch to a standard mode for troubleshooting.

Browse all codes in this manual (64)
Verified technical data. Last updated: April 2026

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Source: Yaskawa E7 Drive
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