Check And Clear Of The Faults History - Mitsubishi Electric FR-A820-00046 (0.4K) Instruction Manual

6.3

Check and clear of the faults history

The operation panel stores the fault indications which appear when a protective function is activated to display the fault record
for the past eight faults. (Faults history)
 Check for the faults history
Monitor mode
Faults history mode
Faults history 1
Faults history 2
Faults history 8
When there is no faults
history, "E0" is displayed.
*1 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.
*2 The cumulative energization time and actual operation time are accumulated from 0 to 65535 hours, then cleared, and accumulated again from 0.
740
6. PROTECTIVE FUNCTIONS
6.3 Check and clear of the faults history
Parameter setting mode
[Operation for displaying faults history]
Eight past faults can be displayed with the setting dial.
(The latest fault is ended by ".".)
Press the
setting dial.
Faults history number
Latest fault
Faults history number
First fault in past
Press the
setting dial.
Faults history number
Seventh fault in past
Press the
setting dial.
Function mode
Output frequency
Blinking
Time
Blinking
Day
Blinking
Month
Blinking
Output current ∗1
Blinking
Output voltage
Blinking
Cumulative
energization time ∗2
Blinking
Year
Blinking