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Questions tagged [pid]

For questions related to PID control.

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M303 Autotune for heatbed fails with "Bad Extruder Number" error. Why?

I'm attempting to get Autotune PID values for the heatbed. I'm using M303 with an E-1 parameter to designate the bed. I'm also ...
allardjd's user avatar
  • 511
2 votes
1 answer
82 views

Does running a PID Autotune with an increased cycle count result in more accurate PID values?

I'm using the mriscoc firmware for Creality Ender 3 V2. The firmware has the option to run more PID Autotune cycles. The default is 5 cycles. Does running a PID Autotune with an increased cycle count ...
Bob Ortiz's user avatar
  • 1,147
2 votes
1 answer
625 views

Why is MPC better than PID for 3D printers, and (why) is it more useful for 'high-power heaters'?

The YouTube video 'PID vs MPC' from Mark Misin Engineering Ltd perfectly demonstrates that Model Predictive Temperature Control (MPC) is more powerful than Proportional-Integral-Derivative (PID). ...
Bob Ortiz's user avatar
  • 1,147
3 votes
2 answers
980 views

Why are the options for PID control commented out in Klipper config file?

I have a Tronxy VEHO-600 I'm currently vamping up with Klipper. I have a config file I got from a friend for a modified VEHO-600. My question is regarding the heater bed code block seen below: ...
General raid's user avatar
1 vote
0 answers
45 views

Is there somewhere a procedure to manually calibrate the PID?

I own a Balco rebranding of the Duplicator i3+ and after having replaced the plastic driving gearbox with a metallic one, it appears that for some reason the extrusion temperature became unstable and ...
Camion's user avatar
  • 171
1 vote
1 answer
3k views

How to properly run a PID Tuning and update the firmware?

The Firmware Step-by-step guide remarks to only mess with PID-Tuning settings in the firmware when you know what you are doing. Apparently, defining those settings in the firmware is a somewhat ...
Trish's user avatar
  • 22.1k
1 vote
0 answers
165 views

PID Autotune not working and M92 calibration not saving?

I have a Witbox 2 running Marlin that I got second hand and it seems like nothing is able to be calibrated on it. I have tried many times to get the nozzle calibration to save but it never seems to ...
Jakob's user avatar
  • 11
1 vote
2 answers
2k views

PID tuning and different filament temperatures

Since I have lots of PETG, I ran tuning to 230 °C (average temp for my filaments). What is it good for, in terms of temperature ranges? For the same printer configuration, and just different filaments,...
bigpow's user avatar
  • 47
6 votes
3 answers
2k views

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 ...
jwagn's user avatar
  • 111
0 votes
1 answer
240 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 ...
efirvida's user avatar
  • 113
2 votes
1 answer
4k views

PID autotune fails with a temp too high

Working on upgrading my Ender 3 to a dual extruder setup using the Winsinn dual hot end and MKS Base V1.6 motherboard using Marlin FW 2.0.5 and am unable to get the PID autotune to work. When I start ...
Keith Rawson's user avatar
1 vote
1 answer
5k views

PID tuning 50 W cartridge in Marlin

Recently I decided to upgrade my Geeetech A10 (GT2560 v3.0 board) with E3D Chimera, Marlin 2.0.3 and more powerful 50 W heater cartridge. I wired everything up and tried to PID tune the hot end, ...
Honza535's user avatar
1 vote
1 answer
979 views

PID autotune fails 'Temp too high' with 12 V heater cartridge but works with 24 V?

So, I have created my own heater block for my 3D printer and mistakenly was using a 12 V, 40 W heater cartridge thinking that was the standard for my Ender 3, when in fact it is supplied ...
FEA42's user avatar
  • 433
0 votes
0 answers
999 views

PID Autotune not working properly

I'm running the autotune PID because I had to replace the hotend. The command that I launch is M303 E0 S200 C9. But from the temperature chart I see that he has ...
kitsune's user avatar
  • 101
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 ...
Brilliant Purnawan's user avatar
2 votes
1 answer
7k views

PID Autotuning not working – large initial overshoot, no oscillations

Using the following code to autotune the PID: M303 E0 S200 C10 Which is setting my tuning temperature to 200 °C using 10 cycles (though this is irrelevant ...
FEA42's user avatar
  • 433
3 votes
1 answer
597 views

PID autotune fails under all conditions so far. Any ideas I haven't tried?

I got some Prusa i3 clones with Melzi boards with Marlin, or nearly so. One of them performed very well (considering that the board would reboot whenever power was applied to the build plate. But I ...
Peltier Cooler's user avatar