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

OH2: External thermal trip

Cause:
An external thermal trip signal is input.

Clearing:
Trace external thermal trip signal and verify cause. Additionally check that the motor is not overloaded.
Discussion
This signal would typically come from a hardwired discrete input from an external thermal trip contact. Recommend tracing control logic wired into terminal strip to find thermal trip signal source.

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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