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
- Step 1: Reload parameters from backup
Parameters load correctly - Step 2: Verify backup integrity
Backup valid - Step 3: Replace backup memory if faulty
New memory stores parameters
How to Reset
Reset via control panel after parameter backup is restored.
Source: Schneider Electric ATV320 Programming Manual
Category: PLC & VFD