MOTOR_ERROR_MODULATION_IS_NAN on sensorless mode

Hello

I’m challenging to spin bldc motor with sensorless mode.

The motor spin for second time but, stop suddenly.

And dump_errors(odrv0)

MOTOR_ERROR_MODULATION_IS_NAN

I don’t know what is this error caused.

The sensorless_ramp params are below:
accel: 1000.0 (float)
current: 1.0 (float)
finish_distance: 100.0 (float)
finish_on_distance: False (bool)
finish_on_enc_idx: False (bool)
finish_on_vel: True (bool)
ramp_distance: 3.140000104904175 (float)
ramp_time: 0.4000000059604645 (float)
vel: 3000.0 (float)

thanks.
9McZ6Gf1TwqVjcxlsr3Z1642034965-1642034989

This usually means you’re trying to spin too fast for your system voltage.

1 Like

@Wetmelon
Thank you for your reply.
I changed the voltage.
It works well.