Applicable Systems
Modicon M221
Modicon M241
Modicon M251
Modicon M340
Modicon M580
Altivar
Symptoms
Auto-restart fault: auto-restart failed.
Possible Causes
- Auto-restart attempts exhausted
- Fault persists after restart
- Auto-restart misconfigured
Troubleshooting Steps
- Step 1: Check fault history
Identify recurring fault - Step 2: Resolve root cause
Fault does not recur - Step 3: Verify auto-restart settings
Settings correct
How to Reset
Reset via control panel after resolving root cause.
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Source: Schneider Electric ATV320 Programming Manual
Category: PLC & VFD
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