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슈나이더 일렉트릭 코리아 웹사이트에 방문해 주셔서 감사합니다.

슈나이더 일렉트릭 코리아 웹사이트 방문자 분들 모두 환영합니다.
FAQ 검색
What can cause an SLF3 fault on the Altivar Process Drive?
Issue:
SLF3 fault on the Altivar Process Drive

Product Line:
ATV630 ATV930

Environment:
All serial numbers

Cause:
HMI Lost Communications with the VFD

Resolution:
This is a communication fault between the control board and the graphic display terminal.  This fault can only occur when the start command or the speed reference is processed by the graphical keypad (HMI).
If the communication is interrupted for a short time (2s), the trip message will be displayed.
Check the connection of the graphical keypad.
If remote mounted, verify the cable length does not exceed 20m or 65 ft.
If the graphical keypad is disconnected, reconnect the keypad and power cycle the drive to clear the fault.

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