Troubleshooting
How to identify burnt green connectors/ screw terminal?
Last Updated: November 5, 2025Screw terminals, also called green connectors, are connectors found in hotends of Fracktal 3D printers. Screw terminals are also found on the MKS board. But Nozzle connectors have a higher chance of getting burnt. This guide is made as an assistive guide to help you troubleshoot. If your nozzle is not heating up/ throwing up...
SMPS not turning ON
Last Updated: November 5, 2025SMPS may not turn because of these reasons. 1. SMPS is not getting a power supply. 2. SMPS is spoilt 3. SMPS is detecting a short in the machine circuit and is auto shutting down. Troubleshooting: Note: Checking the SMPS input when the machine is on is a risky task. You can get an electric...
Changing SMPS- Extended.
Last Updated: November 5, 2025Fractal Printers are designed with serviceability in mind. Changing SMPS in Julia Extended can be done with the help of a + screwdriver and a 2.5mm Allen key (Allen Key is provided with the Accessory box). Steps to replace SMPS: 1. Switch off the machine and remove the power cable. 2. Remove the back cover....
Troubleshooting Limit switch issues.
Last Updated: November 5, 2025Fracktal 3d Printers come with 3 Limit switches. X axis Y axis Z axis Whenever these switches fail, the printer faces certain issues, like not being able to move in a certain direction or going and crashing at the edges. Below, we have listed the indicators of limit switch failure and how to fix them....
Error: Heating failed, system stopped! Heater_ID: Bed
Last Updated: November 5, 2025This error is shown when the Bed does not reach the required temperature as set by the machine. To confirm that the error is related to bed, you can check the last word of the error, which says “Bed”. Schematics of Heater wiring. This error comes when the bed does not get heated to the...
Thermal Runway, System Stopped Error
Last Updated: November 5, 2025Fracktal printers come with an inbuilt feature to avoid accidents by overheating of the nozzle or heater cartridge. Due to an issue with the printer, if the heater cartridge heats beyond a certain temperature, it can lead to melting of the hot end and also fire hazards. So the built-in programming in the firmware of...
Min Temp error.
Last Updated: November 5, 2025Min temp error is caused when there is no rise in temperature detected by the machine, even after current is supplied by the machine to heat. This can be caused by a faulty thermistor or heater cartridge that fails to heat up. When the thermistor fails to give a temperature reading to the MKS, the...
The printer does not turn on
Last Updated: November 5, 2025If your printer doesn’t turn on, or it keeps turning off during preheating, the most common causes are either a wrong voltage on the PSU or a blown fuse. The printer does not turn on. If your printer does not turn on at all, then there might be a more serious problem present. Try the...
Layer Shifting caused by pulley slipping down
Last Updated: November 5, 2025Motor Pulley is mounted on the Motor shaft with the help of a grub screw. The pulley acts as a bridge for transferring the motor’s rotary motion to the belts. The motor pulley comes under high stress and sometimes may get displaced. The displacement of the pulley will cause layer shifting in some cases. How...
Small size print failure
Last Updated: November 5, 2025Top of pawn is melted due to improper cooling. Overheating The plastic that exits your extruder may be anywhere from 190 to 310 degrees Celsius. While the plastic is still hot, it is pliable and can easily be formed into different shapes. However, as it cools, it quickly becomes solid and retains its shape. You...