Applicable Systems
Modicon M221
Modicon M241
Modicon M251
Modicon M340
Modicon M580
Altivar
Symptoms
Internal power supply fault detected.
Possible Causes
Internal power supply circuit failure.
Troubleshooting Steps
Replace control board or power supply module.
How to Reset
Replace control board
Common Replacement Parts
- Control board
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Source: Schneider ATV630 fault manual
Category: Electrical
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