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Check and clear of the faults history
PROTECTIVE FUNCTIONS
81
4
4.3 Check and clear of the faults history
The operation panel stores the fault indications which appears when a protective function is activated to display the fault
record for the past eight faults. (Faults history)
Check for the faults history
When an overcurrent trip occurs by an instantaneous overcurrent, the monitored current value saved in the faults history may be lower than the
actual current that has flowed.
The cumulative energization time and actual operation time are accumulated from 0 to 65535 hours, then cleared, and accumulated again from
0.
Faults history mode
Monitor mode Parameter setting mode Function mode
[Operation for displaying faults history]
Eight past faults can be displayed with the setting dial.
(The latest fault is ended by ".".)
When there is no faults
history, "E0" is displayed.
Latest fault
First fault in past
Seventh fault in past
Faults history1
Output frequency
Flickering Flickering
FlickeringFlickering
Flickering Flickering
FlickeringFlickering
Cumulative
energization time ∗2
Faults history number
Faults history number
Faults history number
Output current ∗1
Output voltage
Faults history2
Faults history8
Press the
setting dial.
Press the
setting dial.
Press the
setting dial.
Time
Day
Month
Year