Hello, I need your help please?
When I last clicked, this suddenly appeared on my screen.
Hotend NCT Abnormal please power off then check it and wiring.
Could it just be the hotend? I've already taken it apart but everything looks normal with the nozzle and the thermistor, i.e. the cable, also looks normal.
I don't want to just destroy a good printer, but I don't know much about electricity. Any help is appreciated.
LG Lukas
(1 votes)
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There are two error messages that treat temperature problems:
(a) The printer goes into an error mode immediately. If the manufacturer does not stop it, one usually sees the value that is wrong (Temeratur Hotend much too high or extremely low) Deutet towards a short circuit or cable separation. I don’t know what the case is.
(b) The printer heats up, and during the pressure comes an error message that something is wrong with the heater. This is a function to prevent the printer from flaking.
This function checks whether the temperature of the hot end depends to a certain extent on the heating power that is given in. If the hot end (or also the bed) is not hot enough quickly, it remains hot too long after the removal of the heating, and the printer switches off because it could e.g. be slipped out of the print head.
However, it is also possible for the component fan to blow too much or to blow wrong and cool the hotend.
Do you have a gauge? Then maybe check if the hotend is running.
I think I have to admit =)
Yeah, it’s important for electronic repairs.