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Coast stop in the event of momentary power failure: If a momentary power failure occurs
during operation, the inverter coast stops forcibly. When operation is stopped, the
message “a-06” is displayed (alternately) on the keypad. After the forced coast stop, the
inverter remains static until you put off the operation command momentarily.
NO. Parameter Name Setting Range
Default
f419 Forced fire-speed control function 0~1 0
0: Disabled.
1: Enabled.
To enable forced speed mode, set f419 to 1,and allocate input terminal function 33 to a
input contact terminal. If f419 is set to 1 and intput terminal function 33 is ON, the
inverter will run at the frequency set by f730. At this time,
Put OFF the input terminal function 33 will not stop the inverter.
The following inverter trip will not make it stop, but automatic restart is performed.: e-01 ,
e-04, e-11 , e-21, e-22, e-23, e-24.
When the inverter is under local running mode, the inverter can only be stopped by
powering off.
Note 1: The motor running direction is forward and the inverter runs according to the
frequency command of the set point of f730.
Note 2: The following operations will not make the inverter or motor stop: disabling
function 33, press STOP key or light trip occurs.
NO. Parameter Name Setting Range
Default
f420
Detection of output short-circuit during
start-up
0~3 0
0: Each time (standard pulse)
1: Only one time after power is turned on (standard pulse)
2: Each time (short-time pulse)
3: Only one time after power is turned on (short-time pulse)
Note 1: when the phase resistor of the motor is small（motor capacity is large, short-
time pulse is recommended.
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General