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

Related Schneider Fault Codes

Source: Schneider ATV630 fault manual

Category: Electrical