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Duet 3 EB 3HC intermittent CAN/boot? failure

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  • undefined
    Max 0
    last edited by 7 Apr 2021, 15:01

    Hello everyone, I just finished the assembling and wiring my new IDEX Printer (RatRig V-Cast) and started configuring the Duet 6HC and 3HC. At this point I should probably point out that this is my first Duet/RepRap firmware system and I may very well be making stupid beginner mistakes. Also I hope this is the right section of the Forum, this seems to be where most other issues with the CAN bus where being posted.

    When I first loaded the configuration I created with the configuration tool onto the 6HC through Duet Web Control yesterday , I was able to control the fan connected to the 3HC but the thermistor and heater were not showing up and the diagnostic led was flashingin sync with the 6HC. However after I rebooted it to make a change to the config.g it did not connect ot the 6HC anymore and I started seeing the error messages shown below. Then this morning when I turned the printer on the 3HC worked normally again with the diagnostic LED flashing in sync with the 6HC and I was able to control the heater, fans and motors connected to the 3HC and even get it to spit out an M122 (also below). However, after I turned the machine off and on again, I had the same issue as yesterday and the diagnostic LED didn´t turn on at all again, whilst all the power LEDS are on (Does this mean the board is not booting?).

    Here is some troubleshooting I tried after reading some other threads on here about similiar Issues:

    • If i set the 3HC to CAN adress 0 by turning of all the switches and remove the CAN cable, it will occasionaly flash the diagnostic LED four times, as would be expected from what I read in other threads, however most times the diagnostic LED will just not come on at all. Meanwhile, the four power LEDs (VIN, 12V, 5V and 3,3V) always come on.

    • Adding a G4 delay to the config.g to allow for the 3HC to boot does not seem to have any impact on the problem

    • I checked and my RJ11 cable was sold as an ADSL 2+ High speed cable on Amazon, so I think that should not be the issue

    Both boards are running Firmware Version 3.2.2 and the 6HC is running in SBC mode with a Raspberry Pi 3.

    When I turn the Printer on and the CAN is not working I get the following Error messages followed by some more errors about the components connected to the 3HC not being found:

    Error: M569: Response timeout: CAN addr 1, req type 6018, RID=0
    Error: M569: Response timeout: CAN addr 1, req type 6018, RID=1
    Error: M569: Response timeout: CAN addr 1, req type 6018, RID=2
    Error: M584: Response timeout: CAN addr 1, req type 6042, RID=3

    Here is an M122 I was able to extract from the 3HC when it was working this morning:

    M122 B1
    Diagnostics for board 1:
    Duet EXP3HC firmware version 3.2.2 (2021-02-11)
    Bootloader ID: not available
    Never used RAM 154440, free system stack 200 words
    HEAT 92 CanAsync 94 CanRecv 87 TMC 64 MAIN 173 AIN 259
    Last reset 00:01:45 ago, cause: power up
    Last software reset data not available
    Driver 0: position 0, 400.0 steps/mm, standstill, reads 26978, writes 16 timeouts 0, SG min/max 0/0
    Driver 1: position 0, 1.0 steps/mm, standstill, reads 26982, writes 14 timeouts 0, SG min/max 0/0
    Driver 2: position 0, 420.0 steps/mm, standstill, reads 26983, writes 16 timeouts 0, SG min/max 0/0
    Moves scheduled 0, completed 0, in progress 0, hiccups 0
    No step interrupt scheduled
    VIN: 24.2V, V12: 12.3V
    MCU temperature: min 41.8C, current 42.0C, max 42.0C
    Ticks since heat task active 158, ADC conversions started 105900, completed 105898, timed out 0
    Last sensors broadcast 0x00000004 found 1 161 ticks ago, loop time 0
    CAN messages queued 1032, send timeouts 0, received 888, lost 0, free buffers 36

    and here is an M122 from the 6HC:

    m122
    === Diagnostics ===
    RepRapFirmware for Duet 3 MB6HC version 3.2.2 running on Duet 3 MB6HC v1.01 or later (SBC mode)
    Board ID: 08DJM-956BA-NA3TN-6J1F2-3S46K-9BAAS
    Used output buffers: 1 of 40 (13 max)
    === RTOS ===
    Static ram: 149788
    Dynamic ram: 62976 of which 60 recycled
    Never used RAM 146008, free system stack 200 words
    Tasks: Linux(ready,101) HEAT(blocked,297) CanReceiv(blocked,927) CanSender(blocked,371) CanClock(blocked,352) TMC(blocked,53) MAIN(running,1203) IDLE(ready,19)
    Owned mutexes: HTTP(MAIN)
    === Platform ===
    Last reset 00:01:59 ago, cause: software
    Last software reset at 2021-04-07 13:44, reason: User, none spinning, available RAM 146008, slot 1
    Software reset code 0x0012 HFSR 0x00000000 CFSR 0x00000000 ICSR 0x0044a000 BFAR 0x00000000 SP 0x00000000 Task Linu Freestk 0 n/a
    Error status: 0x00
    Aux0 errors 1,1,1
    Aux1 errors 0,0,0
    MCU temperature: min 39.6, current 41.3, max 42.8
    Supply voltage: min 23.9, current 23.9, max 24.0, under voltage events: 0, over voltage events: 0, power good: yes
    12V rail voltage: min 12.0, current 12.1, max 12.1, under voltage events: 0
    Driver 0: position 0, standstill, reads 24326, writes 14 timeouts 0, SG min/max 0/0
    Driver 1: position 0, standstill, reads 24326, writes 14 timeouts 0, SG min/max 0/0
    Driver 2: position 0, standstill, reads 24327, writes 13 timeouts 0, SG min/max 0/0
    Driver 3: position 0, standstill, reads 24326, writes 14 timeouts 0, SG min/max 0/0
    Driver 4: position 0, standstill, reads 24329, writes 11 timeouts 0, SG min/max 0/0
    Driver 5: position 0, standstill, reads 24329, writes 11 timeouts 0, SG min/max 0/0
    Date/time: 2021-04-07 13:47:00
    Slowest loop: 0.44ms; fastest: 0.04ms
    === Storage ===
    Free file entries: 10
    SD card 0 not detected, interface speed: 37.5MBytes/sec
    SD card longest read time 0.0ms, write time 0.0ms, max retries 0
    === Move ===
    DMs created 125, maxWait 0ms, bed compensation in use: none, comp offset 0.000
    === MainDDARing ===
    Scheduled moves 0, completed moves 0, hiccups 0, stepErrors 0, LaErrors 0, Underruns [0, 0, 0], CDDA state -1
    === AuxDDARing ===
    Scheduled moves 0, completed moves 0, hiccups 0, stepErrors 0, LaErrors 0, Underruns [0, 0, 0], CDDA state -1
    === Heat ===
    Bed heaters = 0 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1, chamberHeaters = -1 -1 -1 -1
    === GCodes ===
    Segments left: 0
    Movement lock held by null
    HTTP* is doing "M122" in state(s) 0
    Telnet is idle in state(s) 0
    File is idle in state(s) 0
    USB is idle in state(s) 0
    Aux is assembling a command in state(s) 0
    Trigger* is idle in state(s) 0
    Queue is idle in state(s) 0
    LCD is idle in state(s) 0
    SBC is idle in state(s) 0
    Daemon is idle in state(s) 0
    Aux2 is idle in state(s) 0
    Autopause is idle in state(s) 0
    Code queue is empty.
    === CAN ===
    Messages queued 331, send timeouts 928, received 0, lost 0, longest wait 0ms for reply type 0, free buffers 48
    === SBC interface ===
    State: 4, failed transfers: 0
    Last transfer: 1ms ago
    RX/TX seq numbers: 3946/3946
    SPI underruns 0, overruns 0
    Number of disconnects: 0, IAP RAM available 0x2c8a8
    Buffer RX/TX: 0/0-0
    === Duet Control Server ===
    Duet Control Server v3.2.2
    Code buffer space: 4096
    Configured SPI speed: 8000000 Hz
    Full transfers per second: 33.79
    Maximum length of RX/TX data transfers: 3072/844

    Here is my Config.g file:
    config.g

    undefined 1 Reply Last reply 7 Apr 2021, 15:44 Reply Quote 0
    • undefined
      dc42 administrators @Max 0
      last edited by dc42 4 Jul 2021, 15:50 7 Apr 2021, 15:44

      @max-0, I'm sorry you are having problems with that expansion board. I am tempted to arrange to have your board replaced immediately. But first, please can you identify the crystal - which is the small metal can next to one corner of the main processor (which has the serial number label on it) and report the markings on it.

      d3841b94-31e9-4c35-b8d3-55885eec0f6f-image.png

      PS - which country are you in?

      Duet WiFi hardware designer and firmware engineer
      Please do not ask me for Duet support via PM or email, use the forum
      http://www.escher3d.com, https://miscsolutions.wordpress.com

      undefined 1 Reply Last reply 7 Apr 2021, 16:08 Reply Quote 0
      • undefined
        Max 0 @dc42
        last edited by 7 Apr 2021, 16:08

        @dc42 thank you for the quick response. I believe it it has the same marking as the one in your picture:
        120
        020a
        IMG_6796.jpg

        I am in Germany, but the board was purchased from RatRig in Protugal.

        undefined 1 Reply Last reply 8 Apr 2021, 13:38 Reply Quote 0
        • undefined
          dc42 administrators @Max 0
          last edited by 8 Apr 2021, 13:38

          @max-0, thanks. We will replace your board under warranty. Please complete the reselleller warranty form at https://docs.google.com/forms/d/e/1FAIpQLSdXpbRCNxUc2j_OePtuWdwyKPJ9VEg2Ohq_80f-VCZ4SCJJ9w/viewform.

          We would like you to send that board direct to me, at our cost. We will be in touch with you by email to arrange that.

          Duet WiFi hardware designer and firmware engineer
          Please do not ask me for Duet support via PM or email, use the forum
          http://www.escher3d.com, https://miscsolutions.wordpress.com

          undefined 2 Replies Last reply 8 Apr 2021, 15:36 Reply Quote 0
          • undefined
            Max 0 @dc42
            last edited by 8 Apr 2021, 15:36

            @dc42 thank you for your quick response on this. I have just filled out the warranty form.

            1 Reply Last reply Reply Quote 0
            • undefined
              Max 0 @dc42
              last edited by 18 Apr 2021, 09:43

              @dc42 my new board has arrived now, so I thought I would give you a quick update on this. I have tested power cycling the machine multiple times and so far the expansion board has worked flawlessly, establishing a connection every time. What I found quite interesting is that the serial number on the new board I received is only two lower than that on the old board and the crystal appears to be the same aswell.

              According to the DHL tracking number my old board has left the import sorting facility in the U.K. already, so it should hopefully be with you some time at the beginning of next week.

              Thank you once again for your help with solving this and if you need any more information about this please don´t hesitate to contact me.

              Max

              1 Reply Last reply Reply Quote 0
              • JuJuDeltaundefined
                JuJuDelta
                last edited by 18 Apr 2021, 14:19

                Hi Dave & Max,

                I have 4 off 3HC boards and one of them has been a bit of a CAN bus nuisance since day 1, but I have persevered.

                The board in question has the same crystal markings as the photo above "120 020a"

                Since a recent update (3.3.2 and various 3.3 betas) there is no longer any CAN bus activity RED led flashing, it is off all the time.
                Now there is a small chance that I may have inadvertently messed up by trying to load the boot loader and consequently there is no LED activity.

                so, I have ordered a ST-Link V2 and JST 1.5mm harness so will try to re-install the boot loader at the correct location.

                I will report back later during the week.

                @dc42:
                Dave, if I am unsuccessful, may I return the board back to you for a quick check, happy to paypal you return postage ? Based in Coventry, not a million miles from you.
                Or I am happy to re-solder a different batch# XTAL if you can advise or signpost me to Farnell RS etc.

                Board was originally purchased by my client from Oozenest.

                PCB is v1.0 with a central hole near the processor, orange sticker dot and label "DUET3 EB1 WD01117"

                T
                Thanks & Regards,

                Julian.

                T3DP3D Kossel XL+, Duet2Wifi, PanelDue 7i, RRF V3.2, Fl3xdrive, SmartEffector, Berd Air annulus, Cura 4.x, PrusaSlicer, RPi WiFi Camera, Heated Chamber

                1 Reply Last reply Reply Quote 0
                • undefined
                  dc42 administrators
                  last edited by 20 Apr 2021, 14:30

                  Sure, send it to me. I will investigate the problem and fit a new crystal if it needs one.

                  Duet WiFi hardware designer and firmware engineer
                  Please do not ask me for Duet support via PM or email, use the forum
                  http://www.escher3d.com, https://miscsolutions.wordpress.com

                  JuJuDeltaundefined 1 Reply Last reply 20 Apr 2021, 18:27 Reply Quote 0
                  • JuJuDeltaundefined
                    JuJuDelta @dc42
                    last edited by JuJuDelta 20 Apr 2021, 18:27

                    @dc42 said in Duet 3 EB 3HC intermittent CAN/boot? failure:

                    Sure, send it to me. I will investigate the problem and fit a new crystal if it needs one.

                    Hi Dave,

                    Thanks for the offer.
                    Can you PM your postal address please ?

                    skunkwerkzlabATgmailDOTcom

                    Regards,

                    Julian

                    T3DP3D Kossel XL+, Duet2Wifi, PanelDue 7i, RRF V3.2, Fl3xdrive, SmartEffector, Berd Air annulus, Cura 4.x, PrusaSlicer, RPi WiFi Camera, Heated Chamber

                    undefined 1 Reply Last reply 21 Apr 2021, 09:57 Reply Quote 0
                    • undefined
                      dc42 administrators @JuJuDelta
                      last edited by 21 Apr 2021, 09:57

                      @jujudelta I have sent you a PM.

                      Duet WiFi hardware designer and firmware engineer
                      Please do not ask me for Duet support via PM or email, use the forum
                      http://www.escher3d.com, https://miscsolutions.wordpress.com

                      1 Reply Last reply Reply Quote 0
                      • undefined
                        ballanux
                        last edited by 6 May 2021, 20:49

                        Hi all!

                        I'm new to the Duet platform so let me know if I'm missing something but I'm quite sure I have this same issue. I was experiencing very low torque on my 3 Z axis steppers, but good torque on the XY ones. The Z steppers are connected to the 3HC board ant the XY ones to the mainboard....

                        I didn't look into the forum until my "replacement" and more powerful steppers showed up and didn't perform any better 😲

                        After finding this and other similar post, I tested sending manually the M906 command I got a CAN bus error:

                        CAN error

                        I really would had appreciated if this were also reported during normal boot of the mainboard... It would have reduced the time to find the issue...

                        Anyway, if this is related to a bad batch of crystals, here is mine:

                        alt text

                        I bought my board through FilaFarm, please let me know if I'm really affected by this, or how can I confirm it and If I have to manage a replacement either with Filafarm or directly here.

                        Thanks

                        undefined 1 Reply Last reply 7 May 2021, 06:57 Reply Quote 0
                        • undefined
                          dc42 administrators @ballanux
                          last edited by 7 May 2021, 06:57

                          @ballanux the key test is: when you power up the 3HC board, does the red LED between the CAN connectors start blinking almost immediately (within half a second)? If it doesn't always start blinking immediately, then it's a startup issue. If that's the case, please send M122 B1 when the board is responding, so that we can check whether you are running the correct firmware version.

                          If the red LED does always start blinking immediately after power up, then it's probably configuration issue, or perhaps you have incompatible firmware versions on the main board and the expansion board. So please share your config.g file and the results of running M115 and M122 B1.

                          Duet WiFi hardware designer and firmware engineer
                          Please do not ask me for Duet support via PM or email, use the forum
                          http://www.escher3d.com, https://miscsolutions.wordpress.com

                          undefined 1 Reply Last reply 7 May 2021, 15:20 Reply Quote 0
                          • undefined
                            ballanux @dc42
                            last edited by 7 May 2021, 15:20

                            @dc42 Thanks for your quick reply and pointing me in the right direction 😊

                            I had different firmware in the 3HC and the mainboard, I'm quite sure I uploaded both .bin files from the same release, but maybe the 3HC didn't update... anyway, I have now both of them on 3.2.2 version and the M906 command is being received and the stepper has the proper torque.

                            1 Reply Last reply Reply Quote 0
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