M300+ : error #204


#1

Hello
I have a problem with my M300 Plus. The machine displays temperature error # 204 when printing starts. I replaced the thermocoplue and the heater but the error still appears. The installed firmware is 2.2.3. Can anyone offer me a solution?
thank you


#2

Hello,

Is #204 or #2:4 error message displayed on the screen? Please, double-check that as the error #204 indicates there is still an older firmware version (below 2.0.0) installed. Also, this message would suggest Z endstop failure.

As for #2:4 error - apart from the heater&thermocouple, the extruder cable and PCB might also be responsible for the experienced problem. Please, double-check the connections or swap the components.

Best regards,
Karolina


#3

Hello,
the fault concerns the thermocouple.
I found the cut ground son. after restoration it works.
thank you
Best regards,


#4

Hi,

Thank you for the update. I am glad to hear that you have found a root of the problem.

Best regards,
Karolina