1. Print head is not stationary, Print is running
2. and Print head is not affected by Cooling fan

Please suggest Parameter change.

can any one help me control the temperature
M307 H6 A200 C302.1 D25 S1.00 B0
M570 H6 P10 T20 S120


@jaydevdave said in Special Heater out of control:

A

Thank you...
Do you have any detailed documents how PID Controller works ?
What is A, C D Parameters ?

i have this but i cant understand


I am using 2 Heaters
Heater6 = 150W
Heater7 = 100W

I am using it through Duet Expansion board (PWM Heater)

I have tuned it several time. but it is getting out of control temp increases or decrees by 15C.

here is my setting.

M307 H6 A113.8 C160.0 D49.5 S1.00 B0
M307 H7 A280.4 C232.7 D30.4 S1.00 B0

M570 S240 H6 P40 T25
M570 S240 H7 P40 T15

Error: Short-to-ground on drivers 0 1 2 3 4
Error: Over temperature shutdown on drivers 0 1 2 3 4

I am using Drivers 5, 6, 7, 8

Hi,

My PT100 sensor works fine when i start a machine.
But when i shoot Extrude Command or Retract Command then temp. goes to 2000C

The same configuration works fine with thermo couple.

Please help

Do you mean the breakout board gives out pulse of 5v?

Did you mean https://www.duet3d.com/Expansion_Breakout
this board we should buy to resolve the issue ?