2. The contents of the SD card cannot be read
1
）
Check the card reader if it is good.
2
）
If the computer can’t read the SD card , please format it and try
again.
3
）
Check whether the SD card is inserted correctly.
4
）
The filename has an illegal character, please rename it.
5
）
Please replace the damaged SD card and try again.
3. if the print head does not squeeze enough filament or
can’t squeeze any filament.
1
）
Check whether the print head temperature reach 200
℃
above
(PLA), led to filament cannot squeeze, waiting for the
temperature rises to the set target.
2
）
Check whether the filaments are knotted, which leads to
unsmooth feeding.
3
）
Check whether the filaments or pipes are not inserted in place,
resulting in the failure of feeding.
4
）
Check whether the temperature of the print head is too high,
which leads to excessive softness of filaments and can't be
extruded normally.
5
）
Check whether the diameter of filaments is consistent with
the diameter set in the slicing software, so that the amount of
extrusion filaments is not enough.
6
）
Check whether the consumables are blocked by dirt or nozzle
blocked during extrusion.
7
）
Replace with better quality filaments.
1. Machine cannot start
1
）
Check the power line and other wires are connected well or not .
2
）
Check whether the supply voltage suits the local standard.
3
）
Check whether the screen or power supply is damaged and
replace it in time.
4
）
Check if the wires are damaged or broken.
5
）
Check whether the power fuse is burnt out.
8
.
Failure cause analysis
15
