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Related Information
Simplified Operations  |  Parameter Setting  |  Monitoring the Operation Status  |  Trip Information and Remedies  |  Connection Equipment  |  Specifications  |  Warranty Registration

OL1: Overload (Inverter)

Cause:
1) Sudden acceleration occurs (such as a load fluctuation) or the acceleration time is too short.
2) [Pt: V/f Pattern] does not match the machinery.
3) Momentary power failure occured and tried to start the rotating motor.
4) The DC braking amount is large.
5) The load is too large for the inverter capacity.

Clearing:
1) Increase the acceleration time. [ACC: Acceleration time 1], etc.
2) Adjust [Pt: V/f Pattern] according to the type of machinery.
3) Set [F301: Auto-restart] to allow ASD to catch a spinning motor. Depending on the characteristic of the machinery [F302: Regenerative power ridethrough] = "1" is also effective.
4) Set [F251: DC braking current] smaller and [F252: DC braking time] shorter.
5) Change the inverter to a larger capacity.

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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