You don't mention what firmware you are currently using. That will have a bit of bearing on how you would go about updating. Of course, you don't HAVE to upgrade the firmware. If you're totally happy with the features provided, why mess with success?
So nothing on the SDcard? I think I'll do just that put in a new card makes sense
Its has a 32gb card, is there any max size? I should be able to get a 32gb but anything less not really.
@phaedrux said in Rebuilding a duetwifi2 wanhaod6:
If I were you, I'd probably keep that SD card as a backup. Maybe mount it on the wall. Then start fresh with a new SD card. 5 years is potentially a lot of wear on an SD card.
You don't mention what firmware you are currently using. That will have a bit of bearing on how you would go about updating. Of course, you don't HAVE to upgrade the firmware. If you're totally happy with the features provided, why mess with success?
So nothing on the SDcard? I think I'll do just that put in a new card makes sense
My Duetwifi2 has been running 5 1/2 years+ now and I intend to rebuild the wanhaoD6 since its pretty worn. Since the card is very full is it OK to reformat it? ie is there anything on it I should get off it first? settings to backup? is there a howto?
Is there any risk in updating the firmware as its so old? It runs just fine BTW many hundreds of hours use out of it. 
TY
@oliof the duet2wifi is in my Wanhao D6 which is still going gang busters 5 years later and will stay as is. This would be a second, for the CR10S4 which I need to work on to get into shape.
@jay_s_uk that table is what I was searching for thanks. CR10S4 isnt that huge though 2amps is a bit tight for its large Y stepper, I will need to check that but pretty sure its OK.
Duet2wifi v duet3wifi mini5+ I have been running my duet2 well for almost 5 years now, very happy thankyou!
I want to upgrade my CR10S4 so I am looking at either a second duet2wifi or the duet3wifi mini5+ I'd like the same Interface and same functionality and run a PT100 if I can (looks like I can. I am having difficulty seeing the differences between the two, except the mini is cheaper. Why would I want the 2?
Hi, thanks. I am currently running another print. Its probably user error on my part, but if it stuffs up I wont know why (last print was perfect) so I'll upload the gcode off the printer directly.
@phaedrux "That's the only large extruder move." hence I am so confused I cant see why. Might install a Cura 2.x version if this continues.
Yeah I assume that's the end where ist making the parts. i am at 97% so I am going to watch it finish, see if it goes mad. Might try videoing it.
I have clean up the end this is now what I have,
8><---
G1 X16.802 Y104.254
G0 F7200 X18.74 Y101.75
G1 F1950 X21.88 Y98.61 E639.39334
G1 X21.95 Y98.54
;TIME_ELAPSED:19197.090754
G1 F1800 E637.99334
M107
if this stuffs up maybe I need a new sd card?
@phaedrux thanks for this. I put my old harddrive in the new machine and pulled off the settings and Wanhoa's Cura 16.01 had M83 and when I had upgraded it with 16.021 it must have loaded the old profile. When I re-installed 16.021 the M83 was indeed missing so when copied to 3.3 as end code, oopsie. However I am still have strange problems.
Hmm yes and no.
I did find that so added it.
So this morning I printed 5 computer feet, printed perfectly.
Did a second lot and it "power extracted" again. Here is the actual gcode end pulled from the duet wifi that just failed. I am not sure how much its etracting but its enough to push out the PTFE tube and show about 25mm, so I'd guess 50mm+.
=====
8><----
G1 X16.802 Y104.254
G0 F7200 X18.74 Y101.75
G1 F1950 X21.88 Y98.61 E639.39334
G1 X21.95 Y98.54
;TIME_ELAPSED:19197.090754
G1 F1800 E637.99334
M107
;M104 S0
;M140 S0
;Retract the filament
;G92 E1
;G1 E-1 F300
;G28 X0 Y0
;M84
;End GCode
;ssjM104 S0 ;extruder heater off
;ssjM140 S0 ;heated bed heater off (if you have it)
;ssjG91 ;relative positioning
;ssj G1 E-0.25 F300 ;retract the filament a bit before lifting the nozzle, to release some of the pressure
;ssj G1 Z+0.5 E-0.25 X-20 Y-20 F{travel_speed} ;move Z up a bit and retract filament even more
;ssjG28 X0 Y0
;ssjG90
;ssj G1 Z160 ;move X/Y to min endstops, so the head is out of the way
;ssjM84 ;steppers off
;ssj G90 ;absolute positioning
(where this did not used to happen)
Hi,
I just swapped in a new (well second hand) PC and now find that with the new cura I installed (3.3 v wanhao 16.021) at the end of the print a massive filament extraction occurs like 100s of mm which once the molten filament cools in the cold end blocks the Microswiss coldend/hotend "tube" necessitating me removing the assembly every time and using a burner on it it get the PLA plug out. So I am struggling to find out why this dumb action occurs. Is there anything in the duet wifi config ie X.g files that would cause this?
Also before the PC upgrade at the end of the print the part cooling fans would stop, not any more. Plus the head doesnt move to the mins any more it just stays where it finished.
There is end gcode but its like its ignored.
;wanhao-d6 - ssj
;M104 S0
;M140 S0
;Retract the filament
;G92 E1
;G1 E-1 F300
;G28 X0 Y0
;M84
;End GCode
M104 S0 ;extruder heater off
M140 S0 ;heated bed heater off (if you have it)
G91 ;relative positioning
G1 E-0.25 F300 ;retract the filament a bit before lifting the nozzle, to release some of the pressure
G1 Z+0.5 E-0.25 X-20 Y-20 F{travel_speed} ;move Z up a bit and retract filament even more
G28 X0 Y0
G90
G1 Z160 ;move X/Y to min endstops, so the head is out of the way
M84 ;steppers off
G90 ;absolute positioning
any ideas pls?
Could I see your config.g please?
My ones are stacked but by using 2080 and not 2 lots of 2040s…OMG that's huge is all I can say.
Does the duetwifi support 2 completely separate XY - UV gantries yet?
I have the mechanical / structural bit done just sorted the belt alignments a bit.
https://www.thingiverse.com/thing:2557431
So I am now starting on the mechanical parts and other small stuff to support the cabling to the hotend.
If not yet I guess I can jsut run one gantry for now.
Oh to clarify this is on a Wanhao D6 which has a known constantly failing 16 way ribbon cable design fault. So the idea is to try and remove this issue or at least make the change quick and cheap.
Was it a 2 wire or 4 wire cable for your PT100? What did you end up using as shielded cable? I'm about to hook mine up and have been trying to figure out what to use. I was going to go for 4 wire, but didn't think I would need shielding.
Hi,
2 wire. Currently I am using a 2 core shielded pair for the PT100 that is meant for a stage microphone type use, ie its supposed to be Ok with a lot of movement/flaxing. It has lasted a year so far no issues but the mount point on the hotend is a bit crappy so that is down to fix.
The fix is I am wiring up a CAT6A socket so the cable is easy to replace. This is (obviously) 4 twisted pairs, shielded and stranded 26awg copper, problem is I need 10 wires and I have only 8 so I might put the extruder, cold end fan and part cooling fan circuit through just 1 and leave the PT100's cable as is.
In terms of 2 v 4 wire my understanding is with 2 wire I lose accuracy but that is a constant offset that does not vary in the temperature range?
So I print PLA at 206~208C where I think the offset is around 1.5C but who cares as long as the control is very good around whatever I set? Certainly after monitoring this config for a year the temperature variation is mostly 208C +/- 0.1C with a max variation of 0.2C occasionally seen on the web ui.
In comparison the bed with a conventional thermistor and more mass is varying 0.5C +/- at 65C so I am very happy with the duet's PT100 temperature control in this respect.
1. How are you sending the M587 command? If you are using Pronterface or a similar USB host program, it is probably converting the characters in the password to uppercase.
2. Check that your router encryption is set to WPA2-PSK.
I switched to YAT.
Its set as its set there was no change. WPA2-personal, it looks like the "operating system" become corrupt? at least that is the signs. Now on 1.19.2 the cooling fan now runs OK and I have movement of the 3 axis.
Reading the docs I could see a comment that the duet "chases" the strongest wifi signal? I know in that part of the house the signal is weak and with 6 SSIDs in my house alone its possible that was the problem as when I moved the printer to 2m from the router I got an IP and a connection pretty quickly.
Anyway I am now testing to see what has changes with this firmware have "broken" what.
Reading notes it says wifi will pick the strongest signal, I suspect I was chasing my tail over multiple wifi networks "fighting for who was the strongest" signal.