Questions tagged [thermal-runaway]
22 questions
6
votes
3 answers
Thermal Runaway E1 at Layer 2
Before I start, I'll give you my setup:
Ender 3 Pro
Marlin 2.0.7.2
Material/Nozzle: PETG 0.4 mm @ 215 °C
Bed: Glass @ 80 °C
Default printing speed: 70 mm/s
Standard part cooling fan
Since I've updated the Marlin FW on from factory default to…

jwagn
- 111
- 5
5
votes
3 answers
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 keep getting the message!
When the printer…

Twinkle toes
- 51
- 1
- 1
- 2
3
votes
1 answer
Changing the temp from 200/60 in any degree triggers thermal runaway
I am new to 3D printing and having a strange issue I don't understand and would love some help with. I have an Ender 3 Pro and when I use the settings 200 °C & 60 °C it prints fine. However, I want to change the bed to 55 °C as the bottom layers are…

MJH12
- 31
- 1
2
votes
1 answer
Thermal Runaway E1 Error, Extruder text jumps randomly
Ender 3 Pro, everything is stock except that I swapped the magnetic sheet for a glass bed.
As the tin says, I'll get this error around a half hour into a print:
THERMAL RUNAWAY: E1
PRINTER HALTED
Please Reset
I recorded it in the act, and here's…

Josh Silveous
- 121
- 3
2
votes
0 answers
Anet ET4 - Thermal Runaway immediately after Boot
Most of the time I print PLA with my Anet ET4 (with Marlin firmware). Yesterday I again wanted to print with ABS and preheated nozzle (245 °C) and bed (80 °C). Everything worked fine for a few minutes, but suddenly I got an error:
Thermal Runaway:…

w31x
- 21
- 1
2
votes
3 answers
Thermal Runaway issues on Ender 3 Pro even after replacing thermistor and heater cartridge
I have an Ender 3 Pro with the BTT SKR E3 V2.0 mini with Marlin firmware 2.0.8.2.x.
I am trying to print PETG, which requires decently high temperatures.
I initially replaced the stock board after a thermal runaway event that seemed to have damaged…

Ryan H
- 51
- 6
2
votes
0 answers
Ender 3 Pro thermal runaway
From day one, I had issues with the bed unleveling all the time even if I hadn’t touched it.
After watching more videos I bought springs and I was having fantastic prints every time. There was no need for levelling between prints - it worked…

Mjlawson91
- 21
- 2
2
votes
1 answer
Drop in temperature after couple layers
I'm printing basically a large flat square pane. This goes fine for 3 layers, after which the temperature suddenly drops by about ten degrees. After a while, my printer goes into thermal runaway protection.
I restarted my print, and as soon as the…

Daniël van den Berg
- 253
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- 10
1
vote
0 answers
Ender 3 v2 temp fluctuations every 10 minutes or so
I have an Ender 3 v2 that will fluctuate the hotend temperature every 10 minutes or so and eventually causing thermal runaway. I have tried the PID auto-tune a few times and it seems to solve it for a couple of days. Any idea what’s going on?
Today…

scott lafoy
- 111
- 2
1
vote
1 answer
What is the acceptable resistance of a functioning heater cartridge on my Creality Ender-5 Pro printer?
It has been suggested that I measure the resistance of the nozzle heater on my printer since I've had some thermal runaway errors. The machine is brand new. I have done so by connecting my multimeter across the two pins on the connector. I get a…

Desertgeek
- 61
- 4
1
vote
2 answers
What is causing the thermal runaway error E1?
I just acquired a new Creality Ender 5 Pro. It was assembled very easily. Today I tried my first print - the Dog demo that came on the MicroSD just to see how it worked. It is a 2.5 hour print.
While I was preheating there was a thermal runaway…

Desertgeek
- 61
- 4
1
vote
1 answer
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 started a print the nozzle was clogged beyond…

BBartter
- 11
- 1
1
vote
1 answer
Ender 3 v2 temperature drop
I recently started printing with an Ender 3 V2. I got a few good prints out of it, and then I have had nothing but issues.
Basically, I can start a print, and after about 10-15 minutes, the temperature will decline from 200 °C to 195 °C, triggering…

Andrew Theken
- 151
- 7
1
vote
1 answer
New Ender 3 Pro Thermal Runaway
I just assembled my Ender 3 last night, this is my first printer and I’m new to this all. After about 10-15 minutes into printing it consistently gives me a thermal runaway error. Any help would be appreciated.

John Gaud
- 11
- 1
1
vote
1 answer
Sporadic thermal runaway E1 error on Ender 3 Pro, continues after thermistor replacement. What could be the cause?
My Ender 3 Pro started throwing the Thermal Runaway E1 error last week. Previous to that I had not modified or changed anything on the printer in months, other than move it's location. I replaced the thermistor yesterday and set off a test print but…

Tim Powell
- 31
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