Improved Operating Efficiency
6-37
 Hunting-prevention Function
The hunting-prevention function suppresses hunting when the motor is operating with a light load. This func-
tion can be used in V/f without PG and V/f with PG.
Related Parameters
Parameter
 Number
Name
Description
Setting 
Range
Factory 
Setting
Change 
during 
Operation
Control Methods
Display
V/f 
V/f 
with 
PG
Open
Loop
Vector
1
Flux
Vector
Open
Loop
Vector
2
n1-01
Hunting 
Prevention 
Selection
If the motor vibrates while lightly 
loaded, hunting
prevention may reduce the 
vibration.
0: Disabled
1: Enabled
0 or 1 1 No A A No No No
Hunt Prev 
Select
n1-02
Hunting 
Prevention 
Gain Setting
Sets the gain for the Hunting 
Prevention Function.
If the motor vibrates while lightly 
loaded and n1-01=1, increase the 
gain by 0.1 until vibration ceases.
If the motor stalls while n1-01=1, 
decrease the gain by 0.1 until the 
stalling ceases.
0.00 
to 
2.50
1.00 No A A No No No
Hunt Prev Gain
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