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Check and clear of the faults history
4
PARAMETERS
4.24 Check and clear of the faults history
(1) 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.
When the operation panel is used, the time is displayed up to 65.53 (65530h) in the indication of 1h = 0.001, and thereafter, it is added up from 0.
Faults history
Monitor/frequency setting
[Operation panel is
used for operation]
Parameter setting
[Parameter setting change]
[Operation for displaying the faults history]
Eight past faults can be displayed with the setting dial.
(The latest fault is ended by ".".)
When no fault exists, i is displayed.
Flickering
Rotation speed
Output current ∗1
Flickering
Flickering
Flickering
Flickering
Press the
setting dial.
Press the
setting dial.
Press the
setting dial.
Faults history number
(The number of past faults is displayed.)
Hz
A
Output voltage
Flickering
Energization time ∗2
Flickering
Hz
A