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Hotend heating/cooling jumps
Hello guys,
I have a mysterious failure since a week. If I heat up my hotend everythings fine until it reaches ~170-180°C then the temperature drops immediatly by ~50°C and the hotend continue with heating. If it then got to 190°C it seems to be way too hot because there comes smoke out of the nozzle.
Publié : 16/05/2018 11:51 am
Re: Hotend heating/cooling jumps
If the temperature drops really fast i would think there is something with the thermistor or the cables to the thermistor.
Try to "wiggle" the cables and see if the temp jumps.
Also check that small screww that holds the thermistor is still in place.
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Gert
Publié : 16/05/2018 11:55 am