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Nozzle clogged
1. There is the impurity in the filament, which is stacked in the nozzle.
Please clean the nozzle by the needle; or take the nozzle off and clean inside of the nozzle by
needle and drill.
2. The nozzle is overheated causing the filament carbonized inside.
Please clean the nozzle by needle; or take the nozzle off and clean inside of the nozzle by needle
and drill.
3. The deformation of the nozzle hole occurred by external force.
Please replace the nozzle.
The nozzle heating failed
1.The heating tube connection is too loose.
Please tighten the connection.
2. Heating tube/ temperature controller/ power tube damage
Please check if one of the nozzles works well, but the other one cannot be heated, please
troubleshoot by the following methods:
1) Open the machine case, and find out the connectors of two heating tubes, exchange the two
connectors, heat the nozzle again. If the failed one can work now, it means one heating tube is
broken and needs to be replaced;
2) If after exchanging the two heating tube, the failed nozzle still can’t work, please exchange the
heating tubes back, and try to exchange the connection of the two temperature controller, heat the
nozzle again, if the failed nozzle can work, it means one temperature controller is broken and needs
to be replaced;
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If the above cannot solve the problem, it means it should be the problem of the power tube on
the main board, please replace it.
MAXTEMP/ MINTEMP
1. Nozzle temperature is too high.
Hardware Problems
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Please reduce the nozzle preset temperature.
2. Temperature controller damage.
Please replace the temperature controller.
3. LCD cable loose / LCD damaged.
Print Head Stuck/Cannot move
1. The axes lack of lubricating oil.
Please clean the axes and smear the lubricating oil evenly.
2. The deformation of machine framework caused by external force during the transportation.
3. The cable connection of X.Y motor is loose.
Please open the machine base, check and re-connect the cable.
4. The fixing screw of the timing pulley is loose.
Please check the fixing screw of XY axis, find out the loose one, and tighten it with crewdriver.
5. Synchronous belt drops or breaks.
Please change a new synchronous belt.
Print head hit the framework
The connecting wires of limit switch get loose or the limit switch is broken.
Please check if the wires on the hit side, if the wires connecting limit switch and main board
are loose. If yes, you need to pull out the wires and reinsert. If no, that means the limit switch is
broken and need to be replaced.
Filament Feeder Motor make intermittent noise
1. The clamp of the feeding device is too tight..
Loosen the screw of the clamp..
2. Nozzle clogging
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causing the filament not to be fed smoothly.
Please clean the nozzle with drill and needle..
Feeder and Extruder Problems