¶ Error message
HMS_0300_0200_0001_0002 The nozzle temperature is abnormal, the heater may be open circuit.
" The nozzle temperature is abnormal, the heater may be open circuit. "
¶ What it is
Nozzle temperature control mainly includes a heater and a NTC sensor. When the heater is open-circuited, the nozzle cannot heat up, which will cause the hotend to be unable to extrude the filament, and the filament may be jammed in the heatbreak.TH board will detect the current of the heater to identify whether the heater is open circuit.
Below are the possible reasons that this HMS error occurs:
- A open circuit has occurred at the heater's connector
- The heater is broken
- The TH board is broken
¶ Safety warning and Machine state before starting operation
The nozzle temperature is very high, please avoid touching the nozzle.
¶ trouble shooting guide
¶ step 1
Take off the front shell,check whether the heater connector is plugged tightly and whether the pin is detached from the connector.
¶ step 2
Please refer to this wiki to disassemble the hotend,check the heater connection wire, if it is damaged, you need to replace the heater.
¶ step 3
If the printer is printing, press the "resume" button after completing the troubleshooting.
¶ step 4
If the message still shows up, contact the after-sales team.