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ratos-support

fix-my-print

fix-my-printer

fix-my-resonance

fix-my-mesh

german-support

DRT_AdV8ntage

1/14/2025

Configuration Bug Einsy

Hello, I tried to configure an old Einsy board for Klipper. I've done the bootloader stuff, and it worked out. Upon starting the Ratos Configuration, the first issue, though a minor one, was Ratos not being able to query the board successfully, but since the usb-connection is known to work, and you can skip this, I didnt give it much thought. During the printer configuration, I specced a basically standard mk3, except for a triangle labs bmg 3:1 extruder. For the part cooling and hotend fans I chose Input voltage pwm. When I wanted to complete the setup, it threw an error, that i can't circumvent. Changing the board settings to digital pwm for testing did nothing. It's worth mentioning, that I also got an error, when I tried to set X and Y Accelerometer to "none", however switching to host connected accelerometer solved that issue for now. I did WinSCP into the pi to see if the Pins are specced in the configfile, and there was a set pin for the fan. ...

bbaydar

1/13/2025

Nozzle expansion offset gets reset by an order of magnitude at the start of a print. VC4/500

I've gone through all the Beacon calibration and it comes back with a sane number. (e.g. T0 expansion coefficient 0.069375) and then when starting a print the Z offset will be wildly off either + or - by millimeters. So the prime blob will start in mid air, or in this case, it drove the nozzle into the textured PEI and the extruder was clicking because it was trying to extrude inside the PEI surface. I haven't tried setting the expansion to false yet. ...

Solution:

Doing the double "SAVE_Z_OFFSET" in the console while the print was going actually seems to have worked.

fredbeauchamp

1/13/2025

Rat Pack

well when I put 1% the fan runs at full speed and when I put the maximum power it runs at idle? do you have that too?

Solution:

you have to reverse the PD14 and put !PD14

andrep

1/13/2025

RATOS SSID keeps appearing after some time

I had a bad wifi reception so I bought an external access point -> ALFA Network AWUS036ACHM. In order to force the connection exclusively with the new interface, I added 'denyinterfaces wlan0' and now ratos only uses the new wlan1 interface. All works great after a reboot but after sometime , usually 30min, I loose the connection with the printer and the defaut SSID 'ratos' appears. Can somebody help me understand what is happening?...

Solution:

Yeah don't do that. Use the configurator to set the WiFi

soap

1/12/2025

Changes to Start_Print and End_Print

Hi, I would like to know what and how to make changes to G-code or printer config in order to accomplish a few things: 1) In End Print: keep bed heater on x amount of minutes after the print is finished. I often will start a print after one ends and have to reset the bed temp to make sure it's not losing heat before the next print. 2) In Start Print: Do not turn the hot end down to 150C prior to print if it is already at a higher temp (i.e. from a filament change between prints)....

Champ180

1/12/2025

Prime blow messing nozzle

I have just upgraded to the latest RatOS. I have always used my own Start_Print macro but I wanted to use the default one now as it is much better. The issue I have is the prime blob. The nozzle is too deep into the blob & when the prime blob is finished the nozzle is covered in plastic. Is there a way to adjust the height of the nozzle for the prime blob without messing up the whole start_print macro?...

Decorum

1/11/2025

Move exceeds maximum extrusion (0.2mm nozzle)

I'm getting this error after swapping to 0.2mm nozzle: "Move exceeds maximum extrusion"... The nozzle diameter doesn't seem to be set in the printer.cfg - it's 0.2mm set in the printer config wizard. All the settings used to be in the printer.cfg - but since upgrading to RATOS v2.1 things seems to be done differently - unless I have set things up incorrectly? I have set the 0.2mm nozzle in the slicer. Never seen this message before....

O Six

1/11/2025

How should I configure a usb accelerometer for Ratos2.1

I don't know how to configure a USB accelerometer, is there anyone who can help me

michaelaswood

1/10/2025

RatOS Core: Configurator & Configuration Error

Hello, I tried updating the repositories via the update manager and I am getting the following issue.... Any guidance would be very much appreciated....

AdrianJ

1/10/2025

Overriding Pins

I want to make pin PE5 (BTT SKR Pro 1.2) the signal pin for a digital servo. I referenced the pin in my servo macro, however I received the error “pin PE5 is an alias for fan_toolhead_cooling_pin. How do I make this pin available in the USER OVERRIDES?

DZisky

1/10/2025

RatOS invalid recovery fails

When I powered the machine today and tried to update it, the RatOS failed to update and got into invalid state. Both soft and hard recovery fails with the attached error

Solution:

ssh to the pi and running "ratos doctor" fixed it ✅

Coeus

1/8/2025

Upgrade RatOS from 2.0 to 2.1

I am interested in upgrading my 3.1 300 from RatOS 2.0.1 to 2.1. I usually give RCs some time to let the biggest issues settle out. I have not seen any descriptions or documentation on the upgrade path taking a system to 2.1 from 2.0.x. Other than going through the full motions of a brand new install, is this possible? I would like to keep/transfer the settings as easily as possible. I would also like to keep the operating statistics for runtime/maintenance, etc. So, how to port all of those over from 2.0.x? I am also seeing in some of the other forums that KIAUH is not supported. I have Klipper-Backup installed since I had an SD card fail over the summer - and who doesn't like having to go through a full SW setup for no reason out of the blue... [FOLLOW UP] I eventually did complete this update over the few days after this post. It wasn't tremendously painful, but did take a bit of persistence....

evilC

1/8/2025

Override virtual_sdcard ? (Move gcodes folder somewhere else)

I wish to move my gcodes folder to another partition. Mainsil.cfg is read only within the configurator I could edit it via SSH, but I am wondering if this is the wrong way to do it. Can anyone advise? I tried overriding it in printer.cfg, but that did not seem to work...

Sait17

1/8/2025

BTT manta m8p IDEX compatible

I have a BTT Manta M8P board. Can I use it to operate the Vcore 4 in IDEX mode, as I noticed in the documentation that additional USB ports are needed for the camera and BTT EBB42. Or do I need an Octopus Board with a Pi4 and and a USB HAT

NightLink42

1/7/2025

Skipped steps on Y-axis with Sensorless Homing

Hello, V-Minion 1.0 Noticed today that, when enabling sensorless homing on Y-axis, when it's done and attempts to returns to center, the motor massively skips steps and barely moves when in performance mode. Changing back to a Physical Endstop doesn't have this problem....

Decker

1/7/2025

pin PD12 used multiple times in config

Trying to set up two fans for the drivers, adding the following lines results in an error pin PD12 used multiple times in config: On lines 137-145 of printer.cfg, ```[controller_fan controller_fan_1] pin:PD12...

Solution:

no, you already have one fan defined as a controller fan using the pin you want. Just add the other in your printer.cfg

[controller_fan controller_fan_2]
pin:PD13

[controller_fan controller_fan_2]
pin:PD13

...

Rubby

1/7/2025

RatOS UpdateManager Invalid

Went to update everything on my printer after not touching it for a while and the update failed. RatOS is showing invalid and doing soft recovery shows repo not initialized. Images attached

eremit23

1/7/2025

Hi,

I have a problem with the height map calibration: The Probe Path exceeds the maximum of allowed x for the idex (single Mode). (RatOS 2.1 RC) Is there a way to narrow the height map measurement, so that it does not exceed xmax?...

rmilyard

1/6/2025

RatOS 2.1 RC and VAOC issue.

So on to next issue. I am doing this guide. https://docs.ratrig.com/v-core-4-0/idex-commissioning. At step Initial vaoc calibration. When I click on the VAOC I just get this spinning Green circle. What should I start looking at for this?

Solution:

Omg thank you! Looks like was the ribbon cable.

klippy.log

Arristor

1/6/2025

Disable postprocessing

Dear friends. I update to RatOS 2.1. How i can dissable the posprocessing in my printer.cfg? When trying this in the printer.cfg klipper shows this error 'allow-unsupported-slicer-versionen' is not valid in section 'ratos'

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Rat Rig Community [Unofficial]

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