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How do I change the speed reference from AI3 to AI1 on an ATV312?


Issue:

 How do I change the speed reference from AI3 to AI1 on an ATV312?
Product line:
Altivar ATV312 
Environment:
All models, all serial numbers 
Cause:
The speed reference has changed from AI3 back to AI1.      
Resolution:
Go into the CTL control menu enter
Find Fr1 enter
Change Fr1 from AI3 to AI1 enter
Refer to the ATV312 Programming manual BBV46385

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