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BIGTREETECH SKR Mini E3 V3.0 with E3D REVO HEMERA Printhead


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Hi all,

After solving my Problem with the V2 SKR-Mini E3 board, I was faced with a new Problem. Taking the given Marlin version from Bigtreetech, adapting it for my Ender 3d Pro With the REVO Hemera Print head( seems to be the same as the Revo from Bigtreetech). Everything works fine till the first Print. Mesh-Bedleveling fine.

PID-Tuning also works fine.

I startet with my first Print the lin_advance test print. This works fine too.

Than I tried to start a calibration Cube to test Flow an Meassurement. Nothing works.

The first layer was fine and then suddenly the Extruder spooled out much more filament then for the first layer. It seems as if the Extruder motor runs 3 times faster then for the first layer.

I changed the maxfeedrate for the extruder to the satndard value given for my Ender 3 Pro, but I could not test it.

What was happening.

grafik.thumb.png.53fcedd9e3bae3097f6317b22e48f48f.png

As you can see on the left side the initial print to get the correct line works fine, Then the head moves to the right for 10mm an pauses at this point. After a few seconds the head should move to the starting point of the print. This should ne a fast way, but it was very, very slow and you can hear a rattle while starting the move. after a few seconds you cann hear a loud beep and the print shutdown and restartet. I checked the terminal of octoprint for some noticable problems and found the below:

--------------------------------------------

Recv: echo:V86 stored settings retrieved (694 bytes; crc 1486)

Recv: //action:notification Stored settings retrieved

Recv: X:5.00 Y:20.00 Z:2147483647.21474836472147483647 E:0.00 Count X:400 Y:1600 Z:2147483647

Recv: echo:; Linear Units:

Recv: echo: G21 ; (mm)

Recv: echo:; Temperature Units:

Recv: echo: M149 C ; Units in Celsius

Recv: echo:; Filament settings (Disabled):

Recv: echo: M200 S0 D1.75

Recv: echo:; Steps per unit:

Recv: echo: M92 X80.00 Y80.00 Z400.00 E397.00

Recv: echo:; Max feedrates (units/s):

Recv: echo: M203 X500.00 Y500.00 Z5.00 E25.00

Recv: echo:; Max Acceleration (units/s2):

Recv: echo: M201 X1000.00 Y1000.00 Z100.00 E10000.00

Recv: echo:; Acceleration (units/s2) (P<print-accel> R<retract-accel> T<travel-accel>):

Recv: echo: M204 P500.00 R500.00 T500.00

Recv: echo:; Advanced (B<min_segment_time_us> S<min_feedrate> T<min_travel_feedrate> X<max_jerk> Y<max_jerk> Z<max_jerk> E<max_jerk>):

Recv: echo: M205 B20000.00 S0.00 T0.00 X10.00 Y10.00 Z0.30 E5.00

Recv: echo:; Home offset:

Recv: echo: M206 X0.00 Y0.00 Z0.00

Recv: echo:; Auto Bed Leveling:

Recv: echo: M420 S0 Z5.00 ; Leveling OFF

Recv: echo: G29 W I0 J0 Z0.01000

Recv: echo: G29 W I1 J0 Z0.01000

Recv: echo: G29 W I2 J0 Z0.14000

Recv: echo: G29 W I3 J0 Z0.08000

Recv: echo: G29 W I4 J0 Z0.15000

Recv: echo: G29 W I0 J1 Z0.10000

Recv: echo: G29 W I1 J1 Z0.01000

Recv: echo: G29 W I2 J1 Z0.03000

Recv: echo: G29 W I3 J1 Z0.11000

Recv: echo: G29 W I4 J1 Z0.06000

Recv: echo: G29 W I0 J2 Z0.04000

Recv: echo: G29 W I1 J2 Z-0.02000

Recv: echo: G29 W I2 J2 Z-0.03000

Recv: echo: G29 W I3 J2 Z0.02000

Recv: echo: G29 W I4 J2 Z0.10000

Recv: echo: G29 W I0 J3 Z-0.06000

Recv: echo: G29 W I1 J3 Z-0.01000

Recv: echo: G29 W I2 J3 Z0.06000

Recv: echo: G29 W I3 J3 Z0.14000

Recv: echo: G29 W I4 J3 Z0.13000

Recv: echo: G29 W I0 J4 Z-0.00000

Recv: echo: G29 W I1 J4 Z-0.01000

Recv: echo: G29 W I2 J4 Z0.01000

Recv: echo: G29 W I3 J4 Z0.09000

Recv: echo: G29 W I4 J4 Z0.14000

Recv: echo:; Material heatup parameters:

Recv: echo: M145 S0 H220.00 B60.00 F255

Recv: echo: M145 S1 H240.00 B110.00 F255

Recv: echo:; Hotend PID:

Recv: echo: M301 P21.73 I1.54 D76.55

Recv: echo:; Bed PID:

Recv: echo: M304 P109.59 I19.29 D414.99

Recv: echo:; Controller Fan:

Recv: echo: M710 S128 I0 A1 D60 ; (50% 0%)

Recv: echo:; Stepper driver current:

Recv: echo: M906 X580 Y580 Z580

Recv: echo: M906 T0 E650

Recv:

Recv: echo:; Driver stepping mode:

Recv: echo: M569 S1 X Y Z

Recv: echo: M569 S1 T0 E

Recv: echo:; Linear Advance:

Recv: echo: M900 K0.00

Recv: echo:; Filament load/unload:

Recv: echo: M603 L350.00 U400.00 ; (mm)

Recv: ok

Recv: T:219.66 /220.00 B:60.03 /60.00 @:42 B@:35

Recv: Not SD printing

Send: N24 M420 S1*81

Recv: echo:Bed Leveling ON

Recv: echo:Fade Height 5.00

Recv: X:5.00 Y:20.00 Z:2147483647.21474836472147483647 E:0.00 Count X:400 Y:1600 Z:2147483647

Recv: ok

Send: N25 G92 E0*112

Recv: X:5.00 Y:20.00 Z:2147483647.21474836472147483647 E:0.00 Count X:400 Y:1600 Z:2147483647

Recv: ok

Send: N26 G92 E0*115

Recv: X:5.00 Y:20.00 Z:2147483647.21474836472147483647 E:0.00 Count X:400 Y:1600 Z:2147483647

Recv: ok

Send: N27 G1 F1500 E-5.5*25

Recv: ok

Send: N28 M107*31

Recv: M106 P0 S0

Recv: ok

Send: N29 G0 F6000 X91.722 Y92.057 Z0.3*34

Recv: Not SD printing

Recv: X:5.00 Y:20.00 Z:2147483647.21474836472147483647 E:-5.50 Count X:1690 Y:2670 Z:2147483647

Recv: echo:busy: processing

Recv: T:219.21 /220.00 B:60.07 /60.00 @:54 B@:33

Recv: Not SD printing

Recv: Not SD printing

Changing monitoring state from "Printing" to "Cancelling"

------------------------------------

till the line "Recv: echo:Fade Height 5.00" every thing was fin. I see all the settings which are saved in the eeprom.

But then I saw a Z-Value that is far behind a normal value:

Z:2147483647.21474836472147483647 E:0.00 Count X:400 Y:1600 Z:2147483647

Directly behind the Fade heigth 5.0 line. 

What does this mean. I did not find anything in configuration.h or ..adv.h which represent such a setting.

Help would be great at this point.

Kind regards

Willi

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I solved the Problem, by taking my configuration(_adv).h from Marlin 20903 and changed only the Part E3D asked to change and everything is fine now. Perhaps I accidently chenged something which did not work with this hardware configuration.

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