Applicable Systems
Modicon M221 Modicon M241 Modicon M251 Modicon M340 Modicon M580 Altivar

Symptoms

Parameter backup fault: backup memory error.

Possible Causes

  • Backup EEPROM failure
  • Backup parameter corruption
  • Backup battery low

Troubleshooting Steps

  1. Step 1: Reload parameters from backup
    Parameters load correctly
  2. Step 2: Verify backup integrity
    Backup valid
  3. Step 3: Replace backup memory if faulty
    New memory stores parameters

How to Reset

Reset via control panel after parameter backup is restored.

Related Schneider Electric Fault Codes

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Source: Schneider Electric ATV320 Programming Manual

Category: PLC & VFD