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nozzle thermistor read 60 c in room temperature?

Posted by ivolaysen 
nozzle thermistor read 60 c in room temperature?
May 07, 2016 06:14AM
Is here someone who can help me with my nozzle temperature read 60 c in room temperature, and I do not get it right.confused smiley
I have added my config.g so someone might see what I 've done wrong.

i have a duet 0.8.5, firmware 1.09b-dc42-t3p3, on a wanhao duplicator i3

thankssmiling smiley

Edited 1 time(s). Last edit at 05/07/2016 06:19AM by ivolaysen.
Attachments:
open | download - config.g (2.3 KB)
Re: nozzle thermistor read 60 c in room temperature?
May 07, 2016 08:32AM
I Think you have a DUET 0.6 from Replikeo in which case you need to change the R4700 in the M305 lines to R1000 instead?

Doug
Re: nozzle thermistor read 60 c in room temperature?
May 07, 2016 08:44AM
no it is the 0.8.5 sad smiley and i tried R1000 but it didnt work sad smiley
Re: nozzle thermistor read 60 c in room temperature?
May 07, 2016 09:15AM
It's the other way round. The firmware default is R1000 but you need R4700 for a Duet 0.8.5. If you started from one of the sample config.g files, there is probably a section like this in your config.g file:

;*** If you have a Duet board with 4.7K thermistor series resistors, change R1000 to R4700 to the following M305 commands
M305 P0 R1000 H0 L0 ; Put your own H and/or L values here to set the bed thermistor ADC correction
M305 P1 R1000 H0 L0 ; Put your own H and/or L values here to set the first nozzle thermistor ADC correction
M305 P2 R1000 H0 L0 ; Put your own H and/or L values here to set the second nozzle thermistor ADC correction

Change the R1000 to R4700 in each line. If there is a semicolon at the start of the M305 line, remove it.

btw there is a separate forum for the Duet, see [forums.reprap.org].

Edited 2 time(s). Last edit at 05/07/2016 09:17AM by dc42.



Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod

Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].
Re: nozzle thermistor read 60 c in room temperature?
May 07, 2016 09:42AM
i did try that but wont work :/
Re: nozzle thermistor read 60 c in room temperature?
May 08, 2016 05:36AM
problem fixt it was the sd card smiling smiley
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