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    Solved VSSA Fault - Duet 3

    Duet Hardware and wiring
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    • tom33
      tom33 last edited by

      Hi,

      I have the following error : VSSA Fault
      image_2021-06-09_105644.png

      I'im running rrf 3.3 Rc3 on duet 3

      tom33 dc42 2 Replies Last reply Reply Quote 0
      • tom33
        tom33 @tom33 last edited by

        @tom33
        M122
        === Diagnostics ===
        RepRapFirmware for Duet 3 MB6HC version 3.3RC3 (2021-05-26 12:29:42) running on Duet 3 MB6HC v1.01 or later (standalone mode)
        Board ID: 08DJM-9P63L-DJ3T0-6J9DL-3S06S-K81H9
        Used output buffers: 1 of 40 (17 max)
        === RTOS ===
        Static ram: 150784
        Dynamic ram: 94176 of which 72 recycled
        Never used RAM 106304, free system stack 180 words
        Tasks: NETWORK(ready,27.9%,234) ETHERNET(notifyWait,0.1%,126) HEAT(delaying,0.0%,295) Move(notifyWait,0.0%,352) CanReceiv(notifyWait,0.0%,945) CanSender(notifyWait,0.0%,374) CanClock(delaying,0.0%,339) TMC(notifyWait,8.2%,93) MAIN(running,63.8%,1114) IDLE(ready,0.0%,29), total 100.0%
        Owned mutexes:
        === Platform ===
        Last reset 00:08:24 ago, cause: reset button
        Last software reset at 2021-06-09 10:49, reason: User, GCodes spinning, available RAM 106260, slot 0
        Software reset code 0x0003 HFSR 0x00000000 CFSR 0x00000000 ICSR 0x00400000 BFAR 0x00000000 SP 0x00000000 Task MAIN Freestk 0 n/a
        Error status: 0x00
        Aux0 errors 0,0,0
        Aux1 errors 0,0,0
        Step timer max interval 126
        MCU temperature: min 38.1, current 40.1, max 40.2
        Supply voltage: min 24.0, current 24.0, max 24.1, under voltage events: 0, over voltage events: 0, power good: yes
        12V rail voltage: min 12.2, current 12.3, max 12.3, under voltage events: 0
        Heap OK, handles allocated/used 99/0, heap memory allocated/used/recyclable 2048/408/408, gc cycles 0
        Driver 0: position 0, standstill, reads 44498, writes 16 timeouts 0, SG min/max 0/0
        Driver 1: position 0, standstill, reads 44500, writes 14 timeouts 0, SG min/max 0/0
        Driver 2: position 0, standstill, reads 44500, writes 14 timeouts 0, SG min/max 0/0
        Driver 3: position 0, standstill, reads 44501, writes 14 timeouts 0, SG min/max 0/0
        Driver 4: position 0, standstill, reads 44501, writes 14 timeouts 0, SG min/max 0/0
        Driver 5: position 0, standstill, reads 44504, writes 11 timeouts 0, SG min/max 0/0
        Date/time: 2021-06-09 10:58:09
        Slowest loop: 36.31ms; fastest: 0.05ms
        === Storage ===
        Free file entries: 10
        SD card 0 detected, interface speed: 25.0MBytes/sec
        SD card longest read time 1.0ms, write time 5.9ms, 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 = 3 -1 -1 -1
        === GCodes ===
        Segments left: 0
        Movement lock held by null
        HTTP is idle 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 idle 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.
        === Filament sensors ===
        Extruder 1: no data received
        === CAN ===
        Messages queued 4563, send timeouts 0, received 24, lost 0, longest wait 2ms for reply type 6036, peak Tx sync delay 6, free buffers 49 (min 48), ts 2522/2521/0
        === Network ===
        Slowest loop: 69.25ms; fastest: 0.02ms
        Responder states: HTTP(0) HTTP(0) HTTP(0) HTTP(0) HTTP(0) HTTP(0) FTP(0) Telnet(0), 0 sessions Telnet(0), 0 sessions
        HTTP sessions: 1 of 8

        • Ethernet -
          State: active
          Error counts: 0 0 1 0 0
          Socket states: 5 2 2 2 2 0 0 0
        1 Reply Last reply Reply Quote 0
        • dc42
          dc42 administrators @tom33 last edited by

          @tom33 that usually means that there is a short between your thermistor wiring and your heater wiring on the hot end. Disconnect the thermistors from the Duet one by one until the warning goes away, to find out which thermistor it is.

          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

          tom33 1 Reply Last reply Reply Quote 0
          • tom33
            tom33 @dc42 last edited by

            @dc42 Thanks, problem resolve !

            dc42 1 Reply Last reply Reply Quote 0
            • dc42
              dc42 administrators @tom33 last edited by

              I'm glad you resolved it. BTW most other controller boards don't tolerate this type of short, it's likely to wreck the board. We designed Duets to tolerate it, because we know that it is relatively common.

              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 1
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