Problem on hot end
2019-11-06

Hot end cannot warming or heating up slowly

A. Check current temperature of extruder and heat bed. If shows “def” on LCD. It means the control board can’t measure temperature(In order to protect the heater, the control board wouldn’t heat when the temperature cannot be measured). Please check whether the temperature sensor connected well.

B. Check whether the heater wire and the heat bed power wire connect well. please note you should remove the insulating wrapped outside before connect the heater wire to the connector.

C. Test the voltage of HOTEND by a multimeter. (Pens of multimeter must be at the two ends). It shows about 5~12V when heating.It shows 0V without heating.

D. Disconnect the heater from the control board. test two ends of heater by a multimeter (using resistance grade), if resistance is over 10 OHM, it means the heater is broken or the wire is disconnected.

Extruder cannot heat up to setting temperature

A. Check the blowing fan is on off or not when extruding, if on please turn off it first.

B. Check whether the heater wire connected well or not.

C. Disconnect the heater from the control board. test two ends of heater by a multimeter(using resistance grade), if resistance is over 10 OHM, it means the heater is broken.

Temperature of extruder bounced with large range when heating

A. Check whether the temperature sensor is fall out from the heated block.

B. Check whether the “ETEMP” connect well.

C. Replace a new temperature sensor and test again.

Extruder motor sounds”Ka-Ka” noise when printing

A. The problem only occurs on printing the first 1 or 2 layers:

1. Increase a little the distance from the nozzle to heat bed.

2. Set the first layer thickness to a bigger value when slicing.

B. Occasionally sounds "Kaka" when printing, but print quality is OK:

1. Decrease the flowrate(e.g. 90%).

C. Always sounds the noise and there is broken line or less filament on the printed object:

1. Set to higher temperature and test again.

2. Set to lower print speed and test again.

3. Clean the nozzle and test again.

4. Replace Teflon tube and nozzle.

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Problem on hot end2019-11-06

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Problem on hot end
2019-11-06