5 Operating the Inverter
49
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 most
recent fault, and numbers 2, 3, 4 represent the other faults, in ascending
order of fault occurrence.
Example:
yyyyyy 4-digit number
: Order of fault (1 to 4)
: Fault description
"---" is displayed if there is no fault.
(Refer to Chapter 8 Fault Diagnosis for details.)
Switching Fault History Records
The fault that is displayed can be changed using the or key.
Clearing the Fault History
Set constant n001 to 6 to clear the fault history. The display will return
to n001 after 6 is set.
Note: Initializing the constants (n001=12, 13) also clears the fault history.
Setting and Referencing Constants
The following diagram shows how to select and change constants.
REMOTE/LOCAL
selection
Constant
No./
data
n003
Operation
reference
selection
Factory setting: 0
Operator reference
Set to 1
Control circuit
terminal reference
(flashing when changing)
Data set
Return to
constant No.
display after
1 second
• Setting n003 (Run Command selection)
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