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What causes an EFF fault on the ATV28 drives?

Issue:
What causes an EFF fault on the ATV28 drives?

Product Line:
Altivar ATV28

Environment:
All

Cause:
EEPROM fault on the Main control board

Resolution:
EFF means internal or EEPROM fault on the main control board.  If you get this fault and it will not clear you will have to replace the drive with a new ATV312 unit.

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