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What can cause an INF8 or Internal 8 error on the ATV630 and ATV930 Process drives?

Issue:
What can cause an INF8 or Internal 8 error on the ATV630 and ATV930 Process drives?

Product Line:
ATV630 and ATV930 Process drives

Environment:
All 

Cause:
The internal 24vdc power supply is not correct or the 13v, 5v or 24vdc control voltage is not ok. 

Resolution:
The supply Power (24V) and Control (13V-5V-24V) are not correct
Priciple
The internal power supplies of the control block are monitored, if one is out of range the INF8 fault occurs.
Remedies
- Check with SoMove which power supply
- Change control block
- Change power board


 
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