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Trouble shooting
User Manual
13
18 December 2017
10 Trouble shooting
Z-sensor triggered, improper leveling (G33), homing and printing in the air.
The calibration features rely on a proper functioning of the z-probe, if it does not work, you can get the error messages
below.
Z-sensor triggered.
This message can show up when the printer is idle message can show up when the printer is idle and one of the two z-
sensors is active, while the nozzle tip is not actually touching the bed.
This does not have to be an issue. It becomes an issue if at the start of the print this issue is not cleared.
G33 leveling failed.
This is related to the z-sensor. It shows up , when a bed leveling routine is started and the z-sensor is either triggered
at the start of this routine, or it unexpectedly triggers during this routine.
Printing in the air
The z-probe sensor is not properly calibrated. In some occasions, you need to do this twice, as the maximum change is
only 1mm per calibration run for safety reasons.
No filament is coming out of extruder
The most common causes to get a clogged hot-end are (ordered from most common to least common):
Wrong slicing profiles.
Don't use slicing settings of the FELIX 3 for the Tec 4. This will most likely result in clogs especially when there is a
series of retractions happening in a short time.
Chosen print temperature too hot.
Try printing at the recommended temperatures for the chosen filament. For instance, printing PLA at 210 degrees
might work in some cases, but it is critical. The top part of the hot-end will become near the critical 60°C where the
filament becomes too soft, too soon and causing a clog.
Fan in front not working
The front fan cap should be flipped closed all the time when the extruder heaters are active. Failure to do so can
cause the cooled part of the extruder to become hot, and the filament will soften or melt too early, causing jamming.
Hot end not really clogged
Sometimes the extrusion is partly blocked because the nozzle is too close to the bed or to the printed object. Please
check if the z-homing of the printer is correct. Check if the printed object is deforming in such a way that it moves too
close to the nozzle.
Bad quality filament.
Make sure to get good quality filament. Dimensional tolerances and also bad consistency of the material itself can
cause trouble during printing.
Dust collector not applied around the filament.
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FELIX Tec 4
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