Questions tagged [thermistor]

The thermistor is an electronic component commonly used to sense temperature.

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2answers
4k views

Anet A8 reading 739°C from the extruder thermistor!

I accidentally let the print head of my Anet A8 crash into one of 2 clips that are holding a glass sheet onto the hot bed, and suddenly the screen went blank and the printer rebooted, then it started ...
4
votes
1answer
10k views

Ender 3 displaying wrong temperatures for hotend and bed

I've had issues with my hot end and decided to replace the whole assembly with this. After the replacement, my printer started reading about 135/185 °C for the hot end and bed are both at ...
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2answers
1k views

Hotend doesn't maintain temperature

I got an Anycubic Predator last month, and after resolving a few mechanical problems, I was able to get it printing decently well. The only significant modification I've made so far is a set of 8-...
12
votes
2answers
1k views

E3D Thermistor Alternative

E3D hotends use a thermistor whose legs are insulated with glass fiber sleeving and clamped down with a screw and washer: This solution enables the printing of high temperature materials, but it's a ...
1
vote
1answer
3k views

Weird temperature reading using thermistor on MKS GEN L v1.0 AUX-2 analog pins

Temperature is showing about 680 °C at room temperature. When I make it "hotter" by holding my thumb and index finger on it, the temperature does increase. So it is responding to temperature ...
6
votes
1answer
2k views

Change hotend thermistor input in Marlin

I have a Marlin driven Prusa i3 clone, by accident I cut through both thermistor wires for the hotend while it was powered on. The Arduino reset and the hotend thermistor no longer work. Since there ...
4
votes
4answers
3k views

How can I insulate my thermistor?

I have had many problems with my heat shrink for the thermostat on my Anet A8 melting from the heat block. Is there a way I can insulate my wires from heat but still have enough room to put the ...
1
vote
1answer
106 views

Thermistor reading 190 °C constantly

So to set the backdrop of this post, I was cleaning the hotend of a printer (Powerspec i3 Mini v2, which is a Wanhao i3 Mini rebadged and heated bed added) I picked up for cheap. There was some ...