131

Dual Port Failure

Allen-Bradley · PowerFlex 700

What does 131 mean?

A dual port failure has occurred within the drive's control hardware. This indicates an internal communication or memory issue, likely on the control board, which can lead to system malfunction.

Common Causes

  • Failure in the dual-port RAM communication mechanism within the drive.
  • Data corruption during inter-module communication.
  • Hardware fault on the communication interface.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Cycle power to the drive.

  2. 2

    Replace the Main Control Board.

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Verified technical data. Last updated: March 2026

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