the hot bed’s temperature beyond Set value 50°C

Please restart the 3D printer once Heat the hot bed only and see if it still exceeds the set 50 °C. If the temperature is constant, please check the slice file for errors. If the temperature fluctuates greatly, you need to replace a new motherboard.

How to flash Nereus’s firmware

Empty your TF card save firmware files into the TF card. Turn off the printer and insert the TF card. Restart the printer, the firmware will automatically writing in your printer

printer stop in a random way and restarts again

when your printer stop in a random way. In the middle of a print job the printer stops, so do the fans, for a second and then everything restarts again, the screen turns back on, etc. Please replace a new SD card (Don’t  use a high speed card) This is caused by an interruption in signal transmission.

Stepper motor parameters

Step Angle (deg):1.8A Motor Length(mm): 48MM Rated Current  (A): 1.68A Phase Resistance (Ohm)   :1.65Ω Phase Inductance(mH)   :2.8mh Detent Torque    (N.cm)   : 24mm Voltage:2.8V Shaft length mm:24mm