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Check And Clear Of The Fault History - Mitsubishi Electric FR-CS84-012 Instruction Manual

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6.3

Check and clear of the fault history

The PU stores the past eight fault records which appears when a protective function is activated (fault history).
 Checking the fault history
Output frequency monitor
Hz
A
Operation mode switchover/
Frequency setting
Hz
A
Faults history mode
Fault record number
Latest fault
Fault record number
Second latest fault
*1
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.
*2
The cumulative energization time and actual operation time are accumulated from 0 to 65535 hours, then cleared, and accumulated again from 0.
208
6. PROTECTIVE FUNCTIONS
6.3 Check and clear of the fault history
Output current monitor
Output voltage monitor
Hz
A
Parameter setting
Hold set
Fault record number
Eighth latest fault
When the fault history is
empty, "E 0" is displayed.
Hz
A
Output frequency
Hz
A
Blinking
Cumulative
energization time ∗2
Hz
A
Blinking
[Operation for displaying faults history]
The past eight faults can be displayed.
&&When
(any one from 1 to 8) is displayed, the initial
screen of the fault history mode appears.
[Faults history number]
&&The number is counted from the latest fault.
Output current ∗1
Hz
A
Blinking
Output voltage
Hz
A
Blinking
is pressed while a fault record

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