Two Ender 7 + Sonic Pad - One Working perfect

General Discussion
1

Basic Information:

Ender 7
Printerboard: Creality 3D Ender 7 Motherboard_v2.4.S1_32 bit_MS35775_STM32F103RET6
SBC : Creality Sonic Pad
klippy.log

Hello people !

I am quiet new on klipper and i would like to ask for help from people who know much more than me.

I have one problem with one of my Ender 7… Let me tell you problem and i will also provide all files, videos and infos, cos i am really interested to solve this problem.

I have 2 Ender’s 7, One of them is with Cr Touch and Other one With Bl Touch, with them i also got one brand new Creality Sonic Pad, and since i am using few K1 Max printers on klipper i wanted to switch Enders 7 on klipper too.

To be honest i was researching on forums, googled aboud Ender 7 and Sonic Pad, and i didnt get possitive feelings about doing that but i wanted to do it anyway…

So first of all both of Enders had some wierd firmware, touch screen wasn’t responding well, and i couldn’t flash klipper on printer at all…after i spend hours researching i found Stock Ender7 Marlin Firmware, and i flashed both of Enders. After it was done they both worked perfectly, touch screen was faster, they were very silent.

And than i tried to flash KLIPPER and i sucess on both of them, tested benchy’s, and they were perfect.

I started second print ( the same one other Ender is printing in the moment) and after 1 hours problem starts.

One of enders is still printing like i show on the video, working really nice, but the other one get wierd LOUD grinding, blocking noise and started to moving x and y axes so wierd.

I tried to find on google if anyone had same problem but nothing. After that i have take off cover, check all bearings, oil them carefully, check belt tension ( thats why they’re loose on video, ) everything seems fine…

When i was flashing KLIPPER on him i made same copy of files for both, and one is working perfect, other one have this problem, and i am desperate.

PRINTER CFG:

[stepper_x]

step_pin: PC2

dir_pin: PB9

enable_pin: !PC3

microsteps: 32

rotation_distance: 32

endstop_pin: ^PA5

position_endstop: 0

position_max: 260

homing_speed: 80

[stepper_y]

step_pin: PB8

dir_pin: !PB7

enable_pin: !PC3

microsteps: 32

rotation_distance: 32

endstop_pin: ^PA6

position_endstop: 260

position_max: 260

homing_speed: 80

[stepper_z]

step_pin: PB6

dir_pin: PB5

enable_pin: !PC3

microsteps: 16

rotation_distance: 8

endstop_pin: ^PA7

position_endstop: 0.0

position_max: 300

[extruder]

pressure_advance : 0.520

max_extrude_only_distance: 1000.0

step_pin: PB4

dir_pin: !PB3

enable_pin: !PC3

microsteps: 16

rotation_distance: 22.84

nozzle_diameter: 0.400

filament_diameter: 1.750

heater_pin: PA1

sensor_type: EPCOS 100K B57560G104F

sensor_pin: PC5

control: pid

tuned for stock hardware with 200 degree Celsius target

pid_kp: 19.028

pid_ki: 0.919

pid_kd: 98.472

min_temp: 0

max_temp: 265

[heater_bed]

heater_pin: PA15

sensor_type: EPCOS 100K B57560G104F

sensor_pin: PC4

control: pid

tuned for stock hardware with 50 degree Celsius target

pid_kp: 74.146

pid_ki: 1.521

pid_kd: 903.658

min_temp: 0

max_temp: 130

[bed_screws]

screw1: 25, 33

screw2: 230, 33

screw3: 230, 230

screw4: 25, 230

[fan]

pin: PA0

[fan_generic extruder_partfan]

pin: PC6

[mcu]

serial: /dev/serial/by-id/usb_serial_3

restart_method: command

[input_shaper]

shaper_type_x = 2hump_ei

shaper_freq_x = 118.8

shaper_type_y = mzv

shaper_freq_y = 59.4

[filament_switch_sensor filament_sensor]

pause_on_runout: true

switch_pin: !PA4

[printer]

kinematics: corexy

max_velocity: 500

max_accel: 5000

max_z_velocity: 10

max_z_accel: 1000

square_corner_velocity: 5.0

[bltouch]

sensor_pin: ^PB1

control_pin: PB0

x_offset: -56

y_offset: -22

z_offset: 3.57

speed: 20

samples: 1

sample_retract_dist: 8.0

[include timelapse.cfg]

[gcode_arcs]

#resolution: 1.0

[gcode_macro G29]

gcode:

G28

bed_mesh_calibrate

G1 X0 Y0 Z10 F4200

Does anyone have any idea?

klippy (1).log (108.9 KB)

Video 1 : Watch 1006 | Streamable

2

Hello @virtualhrca !

Sorry to say: We do not support the Sonic Pad.

3

I understand that, i am curious about sounds only, not sonic pad…

4

Problem is, your klippy.log doesn’t help. You may read about that here. So, no point to help.

I would suggest, dump the Sonic Pad. Sorry.

1 Like
5

I have readed now and i understand, but i have also realise that my problem is not klipper problem seems, cos i flash stock marlin again but i still get wierd blocking noise…dunno if motors are broken or what, can you watch video please

6

Too much acceleration and/or not enough current.
Can the head be moved freely when the motors are off?

7

Yes but its not going smoothly… when I want to move front back its going bit easier than left right… I checked all bearings, all screws, tried to play with belts tension but still when I press home it have this noise and vibrating/blocking weird movements…

And this happend in the middle of perfect print on klipper… other Ender 7 is working fine, 1 hour to finish print, working perfect with sonic pad and klipper

8

Please guys help me? Any idea where this noise come from? … i have install stock firmware again but its the same

9

Unfortunately, it is quite hard to diagnose such topics without physical access to the machine.
From your description, it seems evident that your issue is either mechanical or electrical in nature and not a software / firmware / settings issue.

Possible reasons include but are not limited to:

  • Defect in stepper or stepper driver
  • Defect in the wiring to the stepper, e.g. broken or nearly broken
  • Improper alignment of the frame, axes, linear rails that are leading to binding effects
  • Defect of some linear motion components, e.g. linear rails

The only way to really diagnose, e.g. binding axes is to decouple them from the stepper motor and then check if they can be freely moved in both directions.