Check And Clear Of The Fault History - Mitsubishi Electric A800-GF Instruction Manual

4.3

Check and clear of the fault 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. (Fault history)
Check for the fault history
Monitor mode
Fault history mode
[Operation for displaying fault history]
Eight past faults can be displayed with the setting dial.
(The latest fault is ended by ".".)
Fault history1
Fault history2
Fault history8
When there is no fault
history, "E0" is displayed.

When an overcurrent trip occurs by an instantaneous overcurrent, the monitored current value saved in the fault 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.
Parameter setting mode Function mode
Press the
setting dial.
Fault history number
Latest fault
Fault history number
First fault in past
Press the
setting dial.
Fault history number
Seventh fault in past
Press the
setting dial.
Check and clear of the fault history
Output frequency
Flickering
Time
Flickering
Day
Flickering
Month
Flickering
PROTECTIVE FUNCTIONS
Output current ∗1
Flickering
Output voltage
Flickering
Cumulative
energization time ∗2
Flickering
Year
Flickering
89
4