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3: During operation.
4: At start-up and during operation.
5: Detection of cutoff on output side.
f406=0: No tripping.
f406=1: With the power on, the phase failure detection is enabled only at the start of the
first operation. The inverter will trip if the Phase failure status persists for one second or
more.
f406=2: The inverter checks for output phase failures each time it starts operation. The
inverter will trip if the Phase failure status persists for one second or more.
f406=3: The inverter checks for output phase failures during operation. The inverter will
trip if the Phase failure status persists for one second or more.
f406=4: The inverter checks for output phase failures at the start of and during operation.
The inverter will trip if the Phase failure status persists for one second or more.
f406=5: If it detects an all-phase failure, it will restart on completion of reconnection. The
inverter does not check for output phase failures when restarting after a momentary
power failure.
Note1: A check for output phase failures is made during auto-tuning, regardless of the
setting of this parameter.
Note2: Set f406=5 to open the motor-inverter connection by switching commercial power
operation to inverter operation. Detection errors may occur for special motors such as
high-speed motors.
NO. Parameter Name Setting Range
Default
f407 Small current trip/alarm selection 0~1 0
0: Alarm only. A small current alarm can be put out by setting the output terminal
function selection parameter.
1: Tripping. The inverter will trip if a current below the current set with f408 flows for the
period of time specified with f410. Trip information is displayed as "e-06".
NO. Parameter Name Setting Range
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General