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What causes an ATV320 to display an OBF fault?
Issue:
OBF fault on a ATV320
Product Line:
Altivar 320
Environment:
All
Cause:
OBF fault on drive display
Resolution:
Possible causes:
• Braking too sudden or driving load.
• Supply voltage too high.
Remedies:
• Increase the deceleration time.
• Install a braking resistor if necessary.
• Activate the [Dec ramp adapt.] (brA) function page 172, if it is compatible with the application.
• Check the supply voltage.
OBF fault on a ATV320
Product Line:
Altivar 320
Environment:
All
Cause:
OBF fault on drive display
Resolution:
Possible causes:
• Braking too sudden or driving load.
• Supply voltage too high.
Remedies:
• Increase the deceleration time.
• Install a braking resistor if necessary.
• Activate the [Dec ramp adapt.] (brA) function page 172, if it is compatible with the application.
• Check the supply voltage.
Released for:Schneider Electric Vietnam
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