T0 Stopped working



  • Hi all, help needed.

    My duet wifi stopped extruding with the T0 stepper connection, and I've had to remap to the T1 extruder. I cant see any obvious damage to the driver. This all started when I started getting faults on the pt100 sensor, and had to revert to the cartridge style. I didnt have a spare. The driver 3 reports OK, but when I connect a stepper, nothing happens.

    9:52:46 AM
    M122
    === Diagnostics ===
    Used output buffers: 3 of 32 (13 max)
    === Platform ===
    RepRapFirmware for Duet WiFi version 1.19.2 running on Duet WiFi 1.0
    Board ID: 08DAM-999TL-MQ4S4-6J9DJ-3S86R-16GHZ
    Static ram used: 21176
    Dynamic ram used: 96408
    Recycled dynamic ram: 1200
    Stack ram used: 1304 current, 4928 maximum
    Never used ram: 7360
    Last reset 00:23:52 ago, cause: power up
    Last software reset reason: User, spinning module GCodes, available RAM 7400 bytes (slot 3)
    Software reset code 0x0003, HFSR 0x00000000, CFSR 0x00000000, ICSR 0x00400000, BFAR 0xe000ed38, SP 0xffffffff
    Error status: 0
    Free file entries: 10
    SD card 0 detected, interface speed: 20.0MBytes/sec
    SD card longest block write time: 0.0ms
    MCU temperature: min 23.8, current 24.1, max 24.4
    Supply voltage: min 24.2, current 24.5, max 24.8, under voltage events: 0, over voltage events: 0
    Driver 0: standstill
    Driver 1: standstill
    Driver 2: standstill
    Driver 3: ok
    Driver 4: stalled
    Date/time: 2017-09-24 09:52:47
    Slowest main loop (seconds): 0.005737; fastest: 0.000000
    === Move ===
    MaxReps: 1, StepErrors: 0, FreeDm: 239, MinFreeDm 239, MaxWait: 64046ms, Underruns: 0, 0
    Scheduled moves: 10, completed moves: 9
    Bed compensation in use: none
    Bed probe heights: 0.000 0.000 0.000 0.000 0.000
    === Heat ===
    Bed heater = 0, chamber heater = -1
    Heater 1 is on, I-accum = 0.2
    === GCodes ===
    Segments left: 0
    Stack records: 1 allocated, 0 in use
    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
    serial is idle in state(s) 0
    aux is idle in state(s) 0
    daemon is idle in state(s) 0
    queue is idle in state(s) 0
    autopause is idle in state(s) 0
    Code queue is empty.
    Network state is running
    WiFi module is connected to access point
    WiFi firmware version 1.19.2
    WiFi MAC address 5c:cf:7f:2c:23:05
    WiFi Vcc 3.15, reset reason Turned on by main processor
    WiFi flash size 4194304, free heap 39000
    WiFi IP address 192.168.20.2
    WiFi signal strength -43dBm
    Reconnections 0
    HTTP sessions: 2 of 8
    Socket states: 2 0 0 0 0 0 0 0
    Responder states: HTTP(1) HTTP(0) HTTP(0) HTTP(0) FTP(0) Telnet(0)


  • administrators

    It sounds like a driver failure. How long have you had the board?



  • I've only had the board about 6 weeks. I bought it from Filastruder.


  • administrators

    Was that M122 report was done with the extruder connected to E1? if so, please do another one with the extruder connected to E0 and extruder mapped back to E0. The OK status suggests that the driver hasn't been commanded.



  • I had a stepper attached to the driver, and config setup was for two drives. I have run the m122, remapped and with a stepper attached to D0 and D1, the results were the same.



  • Also, do you know a way from stopping the wifi dropping out. The printer is only about 15 feet from the router.


  • administrators

    Regarding the driver, please ask Filastruder to repair or replace the Duet under warranty.

    Regarding wifi dropping out, see https://duet3d.com/wiki/WiFi_disconnections_and_AJAX_timeout_errors.



  • Thanks for your help, I thought that must be the case.



  • I must note a correction. It was more like 11 weeks from the time I received the board, and when I raised the issue with filastruder. With was by no means an attempt to mislead. Nor did I think I would benefit from the genuine mistake, as I thought it might be a config/firmware issue after seeking advice from filastruder.


  • administrators

    No problem.



  • Hi dc42,

    I have been advised buy Filastruder that I need to deal with you directly, as I live in Australia.



  • Hi Matt

    Normally we would replace your Duet direct from the UK but won't be able to do so this week as we are at the TCT Show in Birmingham displaying our products. I will ask Filastruder to send you a replacement.



  • Thanks that would be awesome.


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