293

CPU FROM and EPROM Software Version Match

Fanuc · αi series AC Servo Motor

What does 293 mean?

The software version between the FROM on the CPU and the EPROM is identical, which indicates an anomalous or misconfigured state, as these should typically differ or be distinct components.

Common Causes

  • Identical software versions detected on the CPU's FROM and the EPROM.

Repair Steps

  1. 1

    Remove the EPROM.

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Verified technical data. Last updated: March 2026
Source: Fanuc αi series AC Servo Motor
Fanuc Error 293: CPU FROM and EPROM Software Version Match — Troubleshooting Guide | ErrorLib