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21. Troubleshooting
With this 3D printer, you have purchased a product that is built to the state of the art and operationally safe.
Nevertheless, problems or errors may occur. Therefore, we would like to describe how to eliminate possible errors here:
Always observe the safety information!
The 3D printer does not work after switching on. The display and print space lighting remain dark:
• Check
the connection of the mains line.
• Check the mains socket. Is it properly supplied with current?
• Check the mains fuse (also see “Fuse change” in chapter “Maintenance”).
No USB connection to the 3D printer is possible:
• Check
the USB line connection.
• Is the right USB port selected in the software?
• Are the required drivers installed?
• Unplug the USB line and then plug it in again.
• Start the software again.
• Switch the 3D printer o and on again.
• Start
the computer again.
• Use another USB port.
• Connect the 3D printer directly to a USB port of the computer. Do not use any USB hub.
Calibration of the heating plate stops. The display shows the message “Scan aborted”:
• Heat
the extruder to melting temperature of the inserted filament and transport the filament a few steps backwards out of the
extruder. The filament must not cause any forces to be exerted on the extruder but the ball bearing holder still must be loaded
by the filament.
• The extruder nozzle must be clean from the outside (if required, heat and wipe o first – caution: hot nozzle!)
• Perform the basic settings of the limit switch for the Z-direction again. The plate distance must not be too large.
• The
pressure sensors may have been installed under tension. In this case, loosen the screws of the print sensors and then
retighten them evenly.
The print has defects:
• Check
the extruder and heating bed temperature settings. They must match the filament material and print object. Experiment
with the temperature settings in steps of 5 °C for a prefect print result.
• Only start the print when the extruder and the heating bed have reached the specified temperature.
• The distance between the heating plate and extruder is set incorrectly. Perform Z calibration or set the distance more precisely
when starting the print using the buttons at the 3D printer.
• When
printing from the PC, do not use any other programmes requiring high computing power. Virus scanners and downloads
may also impair signal transfer to the 3D printer. Try performing the same print from the SD card to ensure that the USB connec
-
tion is not the cause of the problems.
