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Cura turning temps to zero at start?

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Posted · Cura turning temps to zero at start?

For some reason I can't figure out, Cura is turning the extruder temp and bed temp to zero after bed leveling and during the first layer of my print. I tested by printing with a temp tower gcode from Thingiverse so as to bypass Cura and it printed fine. I'm sure it's not in my start code, I disabled almost all of it to double check. I pulled the code from terminal in Octoprint and it's throwing a M140 and M104 S0...but why?

 

Recv: Bilinear Leveling Grid:
Recv:       0      1      2
Recv:  0 -0.286 +0.141 +0.555
Recv:  1 -0.367 -0.003 +0.374
Recv:  2 -0.480 -0.132 +0.162
Recv: 
Recv: Subdivided with CATMULL ROM Leveling Grid:
Recv:         0        1        2        3        4        5        6
Recv:  0 -0.28625 -0.14324 -0.00023 +0.14125 +0.28019 +0.41759 +0.55500
Recv:  1 -0.31218 -0.17710 -0.04202 +0.09282 +0.22727 +0.36148 +0.49569
Recv:  2 -0.33810 -0.21095 -0.08380 +0.04440 +0.17436 +0.30537 +0.43639
Recv:  3 -0.36750 -0.24625 -0.12500 -0.00250 +0.12208 +0.24792 +0.37375
Recv:  4 -0.40269 -0.28395 -0.16521 -0.04685 +0.07087 +0.18821 +0.30556
Recv:  5 -0.44134 -0.32308 -0.20483 -0.08968 +0.02030 +0.12716 +0.23403
Recv:  6 -0.48000 -0.36222 -0.24444 -0.13250 -0.03028 +0.06611 +0.16250
Recv: 
Recv: X:102.00 Y:200.00 Z:17.42 E:3204.68 Count X:16320 Y:32000 Z:13840
Recv: ok
Send: N15 M140 S0*81
Recv:  T:203.00 /205.00 B:64.50 /65.00 @:86 B@:127
Recv: ok
Send: N16 M104 S0*82
Recv: ok

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Posted · Cura turning temps to zero at start?

The partial log shows the M140 S0 and M104 S0 that you mention. It would be useful to know if they are also in the uploaded gcode. In the Files box on the left in OctoPrint, you can also download the gcode file. Please inspect it to see if the offending M104 and M104 are also in there. If not, it is not Cura doing this, but it might be something OctoPrint or a plugin in OctoPrint does.

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Posted · Cura turning temps to zero at start?
21 minutes ago, ahoeben said:

The partial log shows the M140 S0 and M104 S0 that you mention. It would be useful to know if they are also in the uploaded gcode. In the Files box on the left in OctoPrint, you can also download the gcode file. Please inspect it to see if the offending M104 and M104 are also in there. If not, it is not Cura doing this, but it might be something OctoPrint or a plugin in OctoPrint does.

Hmm, you're right, I don't see it in the gcode file when I export it out of Cura?

 

;FLAVOR:Marlin
;TIME:49134
;Filament used: 17.9428m
;Layer height: 0.1
;MINX:21.415
;MINY:36.828
;MINZ:0.3
;MAXX:178.589
;MAXY:163.172
;MAXZ:39.8
;Generated with Cura_SteamEngine 4.3.0
M140 S65
M105
M190 S65
M104 S210
M105
M109 S210
M82 ;absolute extrusion mode
G21 ;metric values
G90 ;absolute positioning
M82 ;set extruder to absolute mode
G28 ; home all axes
G29 ;bed levelling
G1 Z0.2 F1200 ; raise nozzle
G92 E0 ; reset extrusion distance
G1 X10 ; move X-carriage 10mm to prep for wipe
G1 Y100 E12 F600 ; purge nozzle & wipe
G92 E0 ; reset extrusion distance from wipe action
M900 K.07 ;set K-factor PLA
M107
M117 Printing...
G92 E0
G92 E0
G1 F2400 E-2.5
;LAYER_COUNT:396
;LAYER:0
M107
G0 F3600 X59.607 Y39.25 Z0.3
;TYPE:SKIRT
G1 F2400 E0
G1 F1200 X59.646 Y39.211 E0.00275

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Posted · Cura turning temps to zero at start?

Try starting OctoPrint in safe mode. That (temporarily) disables all plugins. Check if the wrong temps are still sent

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Posted · Cura turning temps to zero at start?
5 hours ago, ahoeben said:

Try starting OctoPrint in safe mode. That (temporarily) disables all plugins. Check if the wrong temps are still sent

 

Ok, printing through safe mode does NOT send the wrong temps. Think I should uninstall all the plugins and then reinstall them one by one?

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Posted · Cura turning temps to zero at start?

Instead of uninstalling them, you can also disable them and reenable them one by one.

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Posted · Cura turning temps to zero at start?
16 hours ago, ahoeben said:

Instead of uninstalling them, you can also disable them and reenable them one by one.

Awesome. Thanks for all your help!

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