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.
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.
Udgivet til: Schneider Electric Danmark
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