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3.2.3 Alarm mode
When an abnormal condition occurs, the protective function is invoked to issue an alarm, and the
inverter automatically enters Alarm mode. At the same time, an alarm code appears on the LED
monitor.
Releasing the Alarm and Transferring the Inverter to Running Mode
Remove the cause of the alarm and press the
key to release the alarm and return to Running
mode. The alarm can be removed using the
key only when the current alarm code is displayed.
Displaying the Alarm History
It is possible to display the most recent 3 alarm codes in addition to the one currently displayed.
Previous alarm codes can be displayed by pressing the
or key while the current alarm code is
displayed.
Displaying the Status of Inverter at the time of Alarm
If an alarm occurs, you may check various running status information (output frequency and output
current, etc.) by pressing the
key when the alarm code is displayed. The item number and data
for each running information is displayed in alternation.
Further, you can view various pieces of information on the status of the inverter using the
or
key. The information displayed is the same as for Menu #6 "Alarm information" in Programming
mode. Refer to Table 3.19 in Section 3.2.2 [6] "Reading alarm information."
Pressing the
key while the status information is displayed returns the display to the alarm codes.
When the status information is displayed after removal of the alarm cause, pressing the
key twice will take you back to the display of the alarm code, and then the inverter will be
released from the alarm state. If a run command has been received by this time, the moto
will start running.
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