Cause : Control Fault comes when motor parameters are set incorrectly Correctly set the motor parameters and do Auto-Tuning again.

1. When A1-02 = 4 [Control Method Selection = Advanced Open Loop Vector], the drive takes long to ramp to stop because of these settings:
   • The torque limit setting is too low.
   • L3-11 = 1 [Overvoltage Suppression Select = Enabled].
   • d5-01 = 1 [Torque Control Selection = Torque Control].
2. When Rotational Auto-Tuning changes or the installation environment changes, make sure that you do Line-to-Line Resistance Tuning and set L8-20 = 0 [Control Fault & Step Out Detect = Disabled].
3. The torque limit setting is too low. Adjust L7-01 to L7-04 [Torque Limit].
4. The load inertia is too large.
5. Adjust C1-02, C1-04, C1-06, and C1-08 [Deceleration Times].
6. Set the frequency reference to the minimum output frequency, and stop the Run command when the drive stops deceleration.
7. The drive is trying to ramp to stop a machine that cannot do ramp to stop or on a machine for which deceleration is not necessary.
8. Line-to-line Resistance Tuning is not done.
9. Do Stationary Auto-Tuning for Line-to-Line Resistance.