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markusmaker

Fan shroud (Labern) Heater Error on first layer (no fan)

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I printed the labern fan shroud for olsson block https://www.youmagine.com/designs/um2-dual-fan-shroud (also got I2K)  and taped it with kapton.

IMG_5417.thumb.JPG.987501109bd64797c2dba4f03e24c836.JPG

Mounted it (2 spacers used on right side of heat block):

IMG_5641.thumb.JPG.94b1b0dbe7eed9194e546207f508d243.JPG

On the first layer I got a heater error (with fans off):

IMG_5640.thumb.JPG.13de501532641286e41e42201eb1d333.JPG

I printed colorfabb XT white at 235C.

Anyone can tell me where I did go wrong?

Thanks!

IMG_5417.thumb.JPG.987501109bd64797c2dba4f03e24c836.JPG

IMG_5641.thumb.JPG.94b1b0dbe7eed9194e546207f508d243.JPG

IMG_5640.thumb.JPG.13de501532641286e41e42201eb1d333.JPG

Edited by Guest

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Which firmware version do you have (you can check using the menu system on the printer).

heater error (as opposed to error stopped - temp sensor)

You get an error if the heater can't move a certain amount in a certain time while driving full power (when it is close to goal temp it typically runs well below full power):

Firmware

Version

14.09 - does not have the feature

14.12 oct 16, 2014 - feature introduced. 20C in 20 Seconds

14.12.1 dec 15, 2014 - from 20C to 10C (still in 20 seconds)

15.01 jan 14, 2015 - from 20 secs to 30 secs (now 10C in 30 seconds)

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Sorry to hear your experiencing problems.

So you are getting the errors even when the fans are not working? Strange.

Did you put the spacers as per grey ones in this photo? 20151002_141809.thumb.jpg.e37575d00b9c3a05f567bf6bc5523a90.jpg

Are you using the original nozzle?

 

Hi Labern,

yes it happend on the first layer, fans were at 0%. I use a M4 screw nut as a spacer. The screws come out at about 1mm on the other side. I use the Olsson block with a 0.4 nozzle.

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markusmaker

I go with gr5, when I did the conversion I went with the upgraded heater and have had no problems with Labern shroud but I do introduce the fans gradually I do this as to not shock the Olson block and cause a sudden drop in temp.. I also made 4 spacer about 3mm thick under all 4 thumb screws. I also got a new Bowden tube as I'd cut the old one to use as spacer in iRoberts feeder design.

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You might want to either disable the "heater error" check or alternatively get a 35W heater.  The 25W heater that comes with the UM has quite a bit of variation from printer to printer and may actually be as low as 20W.

 

I ordered a 35W heater, when the printer is back from iGo3D (z-axis problem you know :-) then I will change the heater.

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