Mainsail Tuning Ringing frequency on Ender 3 v2

General Discussion
1

Basic Information:

Printer Model: Ender 3 v2 / CR-Touch / 4.2.7 Main Board
MCU / Printerboard: Creality 4.2.7
Host / SBC: Raspberry Pi 4
klippy.log: https://www.dropbox.com/scl/fi/0uu8mo5v86ajmsfbyah3y/klippy.log?rlkey=4dm5r0966l2vn0dvj8bf0ivkk&dl=0

Describe your issue:

I am following the guide for Tuning Resonance using Klipper documentation at the following link: Resonance Compensation - Klipper documentation

While performing the instructions for Tuning and entering the following commands
before printing the test shape

SET_VELOCITY_LIMIT MINIMUM_CRUISE_RATIO=0
SET_PRESSURE_ADVANCE ADVANCE=0
SET_INPUT_SHAPER SHAPER_FREQ_X=0
TUNING_TOWER COMMAND=SET_VELOCITY_LIMIT PARAMETER=ACCEL START=1500 STEP_DELTA=500 STEP_HEIGHT=5

Then printing the ringing tower.stl shape, I noticed commands in the console window does not increase the acceleration when printing the ringing tower.
Have i missing something.?

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Any help anyone?

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I also hit this issue, most probably it’s because your start-up sequence is doing some Z-moves up and down, and this is resetting TUNING_TOWER sequence.

just repeat same TUNING_TOWER command while first layer is already printing

TUNING_TOWER COMMAND=SET_VELOCITY_LIMIT PARAMETER=ACCEL START=1500 STEP_DELTA=500 STEP_HEIGHT=5

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