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ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

293

CPU FROM and EPROM Software Version Match

Fanuc · Alpha i 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 & Checklist

Click steps to track your progress.

  1. 1

    Remove the EPROM.

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

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000Power-Down Required Parameter011Zero Feedrate Specified013Maximum Feedrate Zero
Source: Fanuc Alpha i series AC Servo Motor
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