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  1. My Voron 2.4 running Klipper had been running great for a while but the afterburner assembly was starting to show weakness. I thought it was a good time for an upgrade so I installed a new Orbiter 2.0 with filament detector on my Voron 2.4 and the problems began...... witht he Orbiter 2.0 installed i have not been able to get my rotation distance anything like close to accurate. last print had massive over extrusion with lots of noise from the extruder. To statrt isolating the problem /as an experiment I ran 50mm (requested) filament through the extruder body only (no lower nozzle assempbly) and got about 250mm of filament instead. Fortunately the awful noise stopped. Ergo i think my initial problem is that the over extrusion i jsut discovered was overwhelming the nozzle and jamming. easy so far. On to the print config..... And incredible frustration as any and all changes to the print config file make no measurable difference in the amount of over feed. here is the code after a lot of trial and error and no change (i suspect there are a number of settings that i have turned off or on to see what if anything would happen- no change.). here is the code- ##################################################################### # Extruder ##################################################################### ## Connected to MOTOR_6 ## Heater - HE0 ## Thermistor - T0 [extruder] step_pin: PE2 dir_pin: PE3 enable_pin: !PD4 ## Update value below when you perform extruder calibration ## If you ask for 100mm of filament, but in reality it is 98mm: ## rotation_distance = <previous_rotation_distance> * <actual_extrude_distance> / 100 ## 22.6789511 is a good starting point #Bondtech 5mm Drive Gears AfterBurner ## 34.37086 for Bondtech 8mm gears (Galileo ## rotation_distance: 4.637 for Orbiter 2.0 rotation_distance: 4.637 ## Update Gear Ratio depending on your Extruder Type ## Use 50:17 for Afterburner/Clockwork (BMG Gear Ratio) ## Use 80:20 for M4, M3.1 # orbiter motor LDO-36STH20-1004AHG(XH) # gear_ratio: 7:1 microsteps: 16 full_steps_per_rotation: 200 #200 for 1.8 degree, 400 for 0.9 degree # max_extrude_only_distance: 500 # max_extrude_only_velocity: 120 # <- for orbiter motor LDO-36STH20-1004AHG(XH) # max_extrude_only_accel: 800 # <- for orbiter motor LDO-36STH20-1004AHG(XH) nozzle_diameter: 0.400 filament_diameter: 1.75 heater_pin: PA2 ## Validate the following thermistor type to make sure it is correct ## See https://www.klipper3d.org/Config_Reference.html#common-thermistors for additional options sensor_type: SliceEngineering 450 sensor_pin: PF4 min_temp: 10 max_temp: 270 max_power: 1.0 min_extrude_temp: 170 # control = pid # pid_kp = 26.213 # pid_ki = 1.304 # pid_kd = 131.721 ## Try to keep pressure_advance below 1.0 pressure_advance: 0.025 ## Default is 0.040, leave stock pressure_advance_smooth_time: 0.030 ## E0 on MOTOR6 ## Make sure to update below for your relevant driver (2208 or 2209) [tmc2209 extruder] uart_pin: PE1 interpolate: False run_current: 0.85 hold_current: 0.100 sense_resistor: 0.11 stealthchop_threshold: 0 # driver_TBL: 0 # driver_HEND: 6 # driver_HSTRT: 7 # driver_TOFF: 4 ###################################################################################################### ## I haven't made any changes above or below these lines so i the problem MAY be in here################################## ###################################################################################################### All of which leads me to my theory - incorrect wiring of the ldo-36st17-1004ahg to the tcm2209. Now i am very new to electronics and the instructions for wiring the Orbiter 2.0 to the V2.4 are yet to be found by me (if anybody has them, please share) so it would be an easy mistake. i feel like this is some sort of reversed polarity issue and leaves me with no idea where to begin with figuring this out. anybody got any ideas?
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