Applicable Systems
Modicon M221
Modicon M241
Modicon M251
Modicon M340
Modicon M580
Altivar
Symptoms
Auto-tune fault: motor auto-tuning failed.
Possible Causes
- Motor parameters incorrect
- Auto-tune procedure interrupted
- Motor not connected during tuning
Troubleshooting Steps
- Step 1: Verify motor is connected
Motor connected - Step 2: Check motor nameplate data
Data correct - Step 3: Retry auto-tune
Tuning completes successfully
How to Reset
Reset via control panel after auto-tune succeeds.
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Source: Schneider Electric ATV320 Programming Manual
Category: PLC & VFD
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