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

OH: Overheat

Cause:
1) The cooling fan is not working.
2) Ambient temperature is high.
3) The vent of the cooling fan is blocked.
4) Other heat generating units are nearby.

Clearing:
1) Check for debris blocking fan blades and ensure the fan can spin freely.
2) Replace if the cooling fan still does not work during run.
3) Lower the ambient temperature. Reset after the inverter cools down.
4) Make sure the vent of the cooling fan is not blocked by dust or debris.
5) Place other heating generating units away from the inverter.

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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