YASKAWA VS-606V7 Series Instruction Manual page 37

Fault history display method
When U-09 is selected, a four-digit box is displayed. The three digits from the right
show the fault description, and the digit on the left shows the order of fault (from one to
four). Number 1 represents the latest fault, and 2, 3, 4, in ascending order of fault
occurrence.
(Example)
• Switching fault history
Order of the fault history can be changed by or
• Clearing fault history
Set parameter n001 to 6 to clear fault history. Display returns to n001 after
completion of 6 setting.
Note: parameter initialize (n001 = 10, 11) clears the fault history.
Setting and referring parameters
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(Refer to page 126 for details.)
key.