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Why ASF LED Indication is On in Altivar Process Drive

ASF LED Indicates that the safety function is activated. Status of LED at different events is as follows:



Possible causes are exceeded delay between STOA and STOB signals > 1 s and internal hardware detected error. Please Verify the wiring of the digital inputs STOA and STOB.

For more details on safety function of ATV630/650 please refer the Safety Function Manual. You can download it from the Following Link:

http://www.schneider-electric.com/en/download/document/EAV64334/

http://www.schneider-electric.com/en/download/document/NHA80947/






 
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