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ErrorLib — Industrial Fault Code Library

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25

OverSpeed Limit

Allen-Bradley · PowerFlex 700

What does 25 mean?

Functions like Slip Compensation or Bus Regulation have attempted to add an output frequency adjustment greater than that programmed in [Overspeed Limit]. This occurs when the drive tries to exceed its configured maximum speed due to an external force (overhauling load) or control algorithm, potentially leading to instability.

Common Causes

  • Motor speed exceeds the configured overspeed limit (e.g., P3-02).
  • Runaway motor condition due to loss of control.
  • Incorrect encoder feedback indicating higher speed than actual.
  • External control signal commanding excessive speed.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Remove excessive load or overhauling conditions on the motor.

  2. 2

    Increase the value of the [Overspeed Limit] parameter.

Browse all codes in this manual (49)
Verified technical data. Last updated: April 2026

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100Parameter Checksum Error101UserSet1 Chksum102UserSet2 Chksum
Source: Allen-Bradley PowerFlex 700
Open Manual (Page 87)Search more codes in this manual