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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.

rOM.E

ROM Anomaly (Remote Display)

Schneider Electric · Altivar 312 Variable Frequency Drive

What does rOM.E mean?

This error indicates that the remote display terminal has detected an internal Read-Only Memory (ROM) anomaly, typically identified by a checksum calculation failure. This points to a critical internal hardware malfunction within the display terminal's firmware storage. The terminal's basic functionality may be compromised.

Common Causes

  • Internal Read-Only Memory (ROM) data corruption within the remote display unit, often detected by a checksum failure.
  • Manufacturing defect in the ROM chip of the display unit, causing data integrity issues from initial power-up.
  • Electromagnetic discharge (ESD) damage to the display's internal circuitry, affecting the ROM's integrity.
  • Prolonged exposure to extreme operating temperatures or humidity beyond the display's specified environmental limits.
  • Critical internal hardware malfunction within the display's memory components.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    1. Perform a power cycle of the remote display unit by physically disconnecting it from the drive for at least 30 seconds and then reconnecting.

  2. 2

    2. Ensure the remote display unit is operating within its specified environmental conditions (temperature, humidity); remove it from adverse conditions if identified.

  3. 3

    3. If accessible, attempt to perform a factory reset of the remote display's settings via its menu options, which might re-initialize some memory sectors.

  4. 4

    4. Check if any firmware update options are available for the remote display, as a re-flash could potentially restore corrupted ROM data (though often indicates hardware failure).

  5. 5

    5. Given this is a critical internal hardware error, prepare for replacement of the remote display unit as the most probable resolution.

Browse all codes in this manual (31)
Verified technical data. Last updated: April 2026

Related Faults

A-17Alarm Button (Remote Display)CFFIncorrect ConfigurationCFIInvalid Configuration
Source: Schneider Electric Altivar 312 Variable Frequency Drive
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