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Related Information
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OL3: Overload (IGBT)

Cause:
1) While operating the low-speed range (15 Hz or less) with high carrier frequency, overload occurred.
2) Momentary power failure occured, and tried to start the rotating motor.

Clearing:
1)
• Reduce the load.
• Lower the carrier frequency[F300:Carrier Frequency]. Or set [F316: Carrier frequency control] to "Valid decrease".
• Increase the output frequency.
•Reduce the level of [F601: Stall prevention level 1] or [F185:Stall protection level 2].
2) Set [F301: Auto-restart]. Depending on the characteristic of the application, [F302: Regenerative power ridethrough] = "1" is also effective.

Please reference latest AS3 Instruction Manual more details or latest information.

AS3 fault codes, descriptions, symptoms and suggested remedies can be found in the below links. Each fault code can also be linked to directly from the AS3 by accessing the QR code on a mobile device while the AS3 is currently experiencing the fault.

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