Browse FAQs

ATV71: Why is the drive tripping on an INF8 code, (internal power supply fault)?

Published date: 20 May 2020

INF8 code, (internal power supply fault) on ATV71

Product Line: 
Altivar ATV61 and ATV71

All types

The control supply voltage is to incorrect.

Check the control supply voltages between +24vdc and com or +24V and 0V. 
If using an external supply check +24Vdc supply connect between P24 and 0V, and insure the voltage is greater than 19Vdc and does not exceed 30vdc.

Was this helpful?

What can we do to improve the information ?

Can't find what you are looking for?

Reach out to our customer care team to receive information on technical support, assistance for complaints and more.