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ErrorLib — Industrial Fault Code Library

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3-94

I/O module RPI update overlap

Allen-Bradley · Logix 5000

What does 3-94 mean?

The current RPI (Requested Packet Interval) update of an I/O module overlaps with its previous RPI update. This indicates that the update rate is too fast for the module to handle, potentially causing data integrity issues.

Common Causes

  • The current RPI update of an I/O module overlaps with its previous RPI update

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Set the RPI rate of the I/O modules to a higher numerical value.

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

Related Faults

00D0No block-transfer response (timeout)00D1Checksum mismatch in read response00D2Read/Write request/response mismatch
Source: Logix 5000
Open Manual (Page 158)Search more codes in this manual