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What can cause an InF4 or internal error 4 on the ATV630 and ATV930 Process drives?

Published date: 11 January 2019

Issue:
InF4 or internal error 4 on the ATV630 and ATV930

Product Line:
ATV630, ATV930, ATV660, ATV960

Environment:
All 

Cause:
Read fault access to Indus zone Eeprom (EEPROM APP & EEPROM MC) or EEPROM fault access.

Resolution:
• Factory reset (RAZI: 256 Factotry setting / 512 First power up)
• Replace the control block.
 

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