Super Racer common problems and solutions
3D printers melt and extrude hundreds or thousands of grams of material over their lifetime. Over time there are quite a few problems that can make it less than smooth to extrude. There are various reasons for nozzle clogging, generally speaking, it is due to the accumulation of residue in the material during the printing process, or due to the expansion of the material in the duct, all of which lead to the material not being extruded smoothly. So how to solve this kind of problem?
The following is a few types of common problems and solutions for your reference
The model can't stick to the hot bed
Solution 1: Adjust ZO height after Auto-leveling, untill the height between nozzle and hot bed is the thickness of one layer of A4 paper.
Solution 2: Heat the hot bed to 60°C, then wipe the lattice platform with water or alcohol to remove grease and dust.
Solution 3: Add brim the model or rise the temperature of the hot bed in the slicer software
The filament doesn't go easily into extruder
Cut the end of the filament into an oblique, straighten the head of the filament, and use automatic feeding. When the extruder starts working,
push the filament by hand.
The filament cannot be pulled out from extruder smoothly when you change it
Solution 1: Pull out the PTFE tube from the extruder, then pull out the filament from the extruder.
Solution 2: If the PTFE tube has been deformed please change the PTFE tube first, insert the new PTFE tube till bottom, and tighten the pneumatic connector
with the locking clip, then push down the new PTFE tube until it doesn't go further.
Q4
Nozzle clogging
Solution 1: Heat the nozzle to 220°C, then clean the nozzle with the nozzle cleaning needle
Solution 2: Heat the nozzle to 240°C, then click "Tools>Change>In" to use automatic feeding, to see if there is any filament extruded from the nozzle
Solution 3: Clean the extruder gear and remove the filament fragment.
Solution 4: Change the nozzle module and cut the PTFE tube to a flat end and insert it to the bottom as far as possible,
Poor printing surface quality, with spots and wire drawing
Solution 1: -Back up all the SD card files to your computer.
-Format the SD card, Select "32kilobytes" under the
"allocation unit size" option and then click "start.
-Copy Gcode to the SD card and try again.
Solution 2: Check if the linear guide and parallel arm are loose and well lubricated.
Solution 2: To cut the PTFE tube to a flat end, heat the nozzle to 220°C, then re-insert the PTFE tube to nozzle kit as far as possible
Solution 3: Clean up the remaining filament debris on the extruder gear.
Solutions when display errors
error: TH-MAX The nozzle temperature sensor short circuit, please check the nozzle temperature sensor or the nozzle temperature sensor connector.
error: TB-MAX The hot-bed temperature sensor short circuit, please check the hot-bed temperature sensor or the hot-bed temperature sensor connector.
error: TH-MIN The nozzle temperature sensor broken circuit, please check the nozzle temperature sensor or the nozzle temperature sensor connector.
error: TB-MIN The hot-bed temperature sensor broken circuit, please check the hot-bed temperature sensor or the hot-bed temperature sensor connector
error: TH-Runaway The temperature sensor at the nozzle fails or is suddenly disconnected during printing.
error: Heating failed The nozzle temperature sensor fails or suddenly disconnects during preheating or heating.
The printer can't be leveled, and the three axes don't go home
Solution 1: Click "Set>Restore" and then do the Auto-Leveling again.
Solution 2: Check whether the red light on the limit switch is on. If the light on the limit switch is not on, it may be that the limit switch is damaged. swap with
other limit switch and try again.
my printer wont move at all when i go to auto calibrate
Bonjour , j ai un problème de zoffset, quand je règle avec l’écran d origine j ai l impression qu il n’ est pas pris en charge . Je suis obligé de modifier via pronterface la ligne M851
Bought an FLSun Super Racer (SR) about 3 months ago (it arrived initially sometime in march) originally there weren’t any issues with the printer got the test print to work nicely and printed a small custom print of my choosing which was successful as well but after soft use of the printer issues began to rise most recently and in noticeable frequencies I started to have issues with the printer my biggest 2 issues are 1) printer ignores heat settings: when I set a custom temperature in cura which is the slicer that came in the sd card of the printer to a certain temperature when I press print on that stl the hot end preheats to a different temperature to the one i set in cura for example if I set the temperature in cura to 215 the printer heats the hot end to 220 when I try to print the stl even though in the gcode it’s set to 215 even if I go into operations and change the temp from 220 to 215 the change doesn’t apply and it stays to 220 after multiple attempts it displays 215 however the hot end heats to 220 and beyond sometimes it heats up to 230 and 240 and then start the print which is not the temperature that the material can print on. The pla I use is rated 205-215 but with this issue sometimes the printer attempts to print at 240 which makes the pla feel like lose rubber resulting the print to fail. Issue 2: operation disregard: assuming I want to move z to 0 to test how high my z is upon using the built in feature to do so the process initiates but never occurs it says moving z to 0 please wait but it never moves it stays like this until I power off the printer and power on it back on this also occurs when I press cancel print as well. This doesn’t happen every single time but it began happening enough times for me to type this long comment out . I tried to reach the live chat customer service at couple occasions but I didn’t insist into getting a conversation so I won’t blame anyone for my inability to reach a customer service representative however I might need to take this more seriously if these issues persist. For the price and the quality of the print I would say this is a nice deal however in my case it seems like I got what I paid for and maybe should have saved more to buy a more premium product since the reliability of the product was not great even with short amount of ownership and careful and proper assembly. Hoping that I don’t have to send a follow up email with the company but I will if I see that it is necessary
hi i accidentally print in klipper and everything whent right until i saw mi mistake an changed back to marlin and now the printer start the print verry oddly is shaking and not consistent in is movement but when i move de different axis in the settings is smooth and the g code is okay and i already change the mainboard and update the firmware any idea how can i fix that?
There can be a bunch of problems that may cause this.
https://3dprintscape.com/five-reasons-your-3d-printer-stops-mid-print/
https://3dprinterly.com/how-to-fix-your-3d-printer-printing-in-mid-air/
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