Questions tagged [thermistor]
The thermistor is an electronic component commonly used to sense temperature.
44
questions
0
votes
0
answers
6
views
MKS Base V1.4 does not recognize my PCB MK3 heat bed
I am using an MKS base V1.4 board, PCB MK3 dual-power heat bed, and Marlin 2.0.1. My printer does not recognize my heat bed. I cannot control it and I cannot even see the temp. Actually, my printer ...
- 1
2
votes
2
answers
64
views
Diagnosing sudden problem with hotend temperature
I'm using a 65W heater cartridge and T-D500 type NTC thermistor. This setup has been working fine since I installed it sometime last year. Suddenly today, the temperature reading started jumping ...
1
vote
1
answer
899
views
Ender 3 Thermal Runaway Error when booting up
I am trying to fix my Ender 3 printer at work. Someone else had it before me and added a direct drive extruder, auto bed leveling, and changed the firmware. He claimed it worked fine, however when I ...
- 11
2
votes
1
answer
267
views
Effects of bad power supply on temperature/flow?
I've been trying to trace down a mysterious reduction in the flow I can achieve. Since recording this flow test video where I successfully achieved a nominal 30 mm³/s (almost surely with ...
1
vote
1
answer
2k
views
K-Thermistor vs Ender 3 Stock Thermistor: Problem with bad reads
I have changed my hotend on my Ender 3 v2 with Dragonfly BMS.
In effect, because I wanted to reach higher temperatures, I also changed the thermistor with one that is 3mm wide and does not have the ...
- 171
5
votes
3
answers
17k
views
Why do I keep getting a thermal runaway message?
A few weeks ago I got a thermal runaway message on my modded Ender 3 during a print, and I have not been able to get it working since then! I have tried fixing and replacing everything, and I still ...
- 51
1
vote
1
answer
492
views
Printer thermistors read completely wrong after changing firmware
I recently installed Marlin 1.1.9.1 onto my Creality CR-10S. After doing so, the temperatures for both the bed and hotend now read -14 °C. I have changed the setting in the Marlin ...
3
votes
1
answer
619
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 ...
- 31
0
votes
1
answer
1k
views
Dead thermister or dead board on Ender 5?
I have a base model Ender 5 with the silent v4.2.7 board.
Earlier this week during an overnight print, I came in to find it unfinished and powered off. I turned it back and it complained about an ...
- 103
0
votes
0
answers
417
views
Flashforge Adventurer 3 - bed temperature not going over 89 °C
I have an issue with my Flashforge Adventurer 3. When printing with ABS, the bed temperature is not going over 89 °C. Additionally, when I connect to the printer with Flashprint, it displays a ...
- 101
0
votes
0
answers
231
views
Why does Marlin report the wrong temperature until print is stopped?
I have an Ender 3 Pro with a Bigtree SKR board. I just replaced the entire hot end (thermistor, heating element, Micro Swiss hotend).
Now when I try to print a Benchy everything seems fine until maybe ...
- 163
3
votes
6
answers
1k
views
Do thermistors degrade in accuracy without hard failure?
Lately I've been having problems with overhangs not adhering when curvature is outward (stringing across instead) that look like what you'd see at insufficient temperature, and that go away with ...
2
votes
1
answer
1k
views
Displayed temperature jumping while printing for a long time
I have a Felix Tec 4 (Single Extruder) and at the moment I print for a relatively long time compared to my other prints. Recently I noticed that after a few hours of continuous printing the displayed ...
- 123
0
votes
1
answer
127
views
Extruder increase temperature
I bought a month ago the Artillery Genius. Everything was pretty good until today, I was printing a test cube and it stopped pulling out filament, when I looked the temperature it was -15 °C, a few ...
0
votes
0
answers
1k
views
Problem with temperature readings after Marlin upgrade
I have an Ender-3 that I've been using daily for almost 2 years.
Yesterday, I updated the firmware to Marlin 1.1.9.1, using the configuration files provided for the Ender-3.
I printed out a few ...
- 101
0
votes
1
answer
386
views
How is a Thermistor supposed to be installed between Heated Bed and the Glass?
opposed to what the title of this question might impose, I'm not new to 3d printing itself and have operated more than one printer for years, however, I feel dumb with installing the Thermistor on ...
- 23
1
vote
1
answer
1k
views
How to control 4 thermistors in a heated bed?
My print area is ~ 17x16 inches (431.8 mm x 406.4 mm = 175,158.4 mm/2). To that end I need four (4) 200mm square heaters, and associated mosfets to run it. Each heater has it's own thermistor and can ...
- 2,350
0
votes
1
answer
214
views
Disable Marlin PID, and start print manual
The thermistor of the hotend of my printer broke, at the moment I have no way to replace it, due to the global situation with the virus.
In my hands I have one of these industrial PIDs which is ...
- 113
0
votes
0
answers
2k
views
Ender 3 overshot the set temperature and hitting MAX TEMP error
So for the past few months I have been printing in my Ender 3 and everything ran smoothly. But suddenly a few days ago I tried to print and the hot end temperature just keeps on rising past the set ...
2
votes
1
answer
4k
views
Is there any way to correct uneven bed temperature?
I'm using an Ender 3 Pro with stock heated bed & glass build surface on it (without any base of stock magnetic plate). My heated bed looks completely flat too despite of many uneven Ender 3 heated ...
- 255
0
votes
0
answers
733
views
SKR 1.3 Thermistor input died
I've got an SKR 1.3 and the thermistor input for extruder 2 has gone bad.
In firmware, I've attempted to change the TEMP_1_PIN to another in ...
- 173
2
votes
2
answers
4k
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-...
- 145
6
votes
1
answer
966
views
Weird temperature graph and thermal runaway protection triggered
I woke up this morning with my 20 hour long print failed around 15 hour in. I checked the octoprint console, and saw a very weird temperature graph. Later found out thermal runaway protection kicked ...
- 133
4
votes
2
answers
20k
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 ...
5
votes
1
answer
3k
views
Thermal runaway with specific prints
I have been experimenting with PETG on my CR-10 upgraded with an E3D all-metal hot end and Marlin firmware on the controller. I am printing with 0.8 mm nozzle at 250 °C and an 85 &...
- 53
1
vote
1
answer
4k
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 ...
- 1,629
1
vote
1
answer
235
views
How does Prusa3D firmware respond to an open or shorted thermistor during a print?
I have a Prusa3D i3m3s. The problem occurred once before with firmware 3.6.1. Last night I upgraded to firmware 3.7.1 and repeated the problem almost exactly.
The symptom is that at what appears to ...
- 4,446
6
votes
1
answer
3k
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 ...
- 61
2
votes
2
answers
1k
views
How to decrease sensitivity to heat-bed temperature?
Sometimes I use a DIY 3D printer running Marlin firmware and I have a hard time to set my heat bed temperature. when I set it to 70 °C for PLA, after a few minutes it decreases to 67 &...
- 541
6
votes
2
answers
1k
views
Hotend heating failure too short before limit
I am trying to resolve this for months and have tried almost everything, I guess.
I am using Marlin firmware on a custom extruder with a custom fabricated heating block in which heater and thermistor ...
- 61
6
votes
2
answers
594
views
Thermister stops reading temp after a few seconds. (Marlin 1.1.8, Tronxy X5s stock Melzi board)
I think it's best that I explain what my issue is before I explain how I arrived here. I have a Tronxy x5s with a stock board that I am repairing for the sake of repairing, even though I know I should ...
- 61
3
votes
1
answer
360
views
RAMPS PLUS 2 and E1 socket problem (K200 Delta, but related to the PCB , not printer)
Total 3D printing newbie here, apologies in advance if my terminology is wrong.
I have a dual head K200 delta printer with a heated bed which I put together 8 months ago, but gave up due to ...
- 31
5
votes
2
answers
1k
views
MK8 extruder showing 500+ °C on temperature sensor?
I just finish building a Graber i3 printer from mixed parts (a MDF clone of Prusa i3 MK2). For the hotend, I've bought the Greetech MK8 extruder. However, the temperature sensor is driving me up the ...
- 53
6
votes
2
answers
110
views
RAMPS won't PID tune and shows unreal temps
About two days ago, I started seeing that my hotend was heating up erratically. I first noticed this while printing a part in PETG and the temp jumped to 260 °C. I shut down the printer at that ...
- 356
7
votes
2
answers
5k
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 ...
- 333
4
votes
4
answers
4k
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 ...
- 155
5
votes
4
answers
415
views
New thermistor isolation, how?
We are trying to repair an Ultimaker Original+. One problem is a missing resistor isolation. The Ultimaker Original+ prints with up to 260 Degree Celcius.
Which kind of isolation products are ...
- 153
8
votes
1
answer
218
views
MINTEMP error after crash
I just got my HICTOP Prusa i3 Aluminium frame printer and finished putting it together. After setting it to preheat, I realized the bed was not level - I adjusted it and accidentally caused the head ...
- 121
7
votes
1
answer
14k
views
Marlin temperature sensor problem
I have a RAMPS 1.4 and an Arduino Mega 2560. The problem is with 100k NTC thermistor. I've tested it with a multimeter, it results in ~122kΩ.
I am using Marlin 1.0.2 (latest stable). I am using ...
- 171
5
votes
2
answers
4k
views
Heated bed thermistor placement
I just recently upgraded my Printrbot Simple Metal with a heated bed (and longer x-axis). I looked up some tutorials, and all of them placed the thermistor as in the picture on the left below, so I ...
- 961
5
votes
1
answer
39
views
Are the thermsistors identical for both the heatbed and the extruder head?
I'm aware of two thermsistors in the Prusia i3 Rework. Are they the same? And if not, how do you tell them apart?
- 1,883
6
votes
1
answer
3k
views
What kind of silicone glue should I use to attach my thermsistors?
I was watching a couple of videos about installing a Thermistor on the heat-bed and extruder of my Prusa i3; both videos mentioned that if I use either Sodium Silicate (Muffler & Tail Pipe Sealer) ...
- 1,883
4
votes
3
answers
441
views
Stainless tip for thermistor
I would like to secure my hotend thermistor in a more reliable way (now it is just thermistor plugged in the hotend :D). I want to have a stainless steel tip for it to fix it inside hotend with a ...
- 585
12
votes
2
answers
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 ...
- 14.7k