Random restarts mid-print. M122 included.

  • Hello all,

    I've recently built a second printer and went with a Duet wifi for the build. So far I've put maybe 100 hours of print in it with no issues however now I'm getting random resets mid print.

    Things will be going well then I'll hear the click click click of the bltouch doing it's startup self test. That's when I find the printer just stopped. The M122 is below, any help would be fantastic. Thank you!

    === Diagnostics ===
    Used output buffers: 3 of 32 (10 max)
    === Platform ===
    RepRapFirmware for Duet WiFi version 1.19.2 running on Duet WiFi 1.0
    Board ID: 08DGM-95BLL-N6PSS-6J1F6-3S86N-K0TRM
    Static ram used: 21176
    Dynamic ram used: 96392
    Recycled dynamic ram: 1216
    Stack ram used: 1304 current, 4992 maximum
    Never used ram: 7296
    Last reset 00:02:13 ago, cause: power up
    Last software reset reason: User, spinning module GCodes, available RAM 7376 bytes (slot 1)
    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 23.3, current 25.3, max 26.5
    Supply voltage: min 24.1, current 24.2, max 24.5, under voltage events: 0, over voltage events: 0
    Driver 0: standstill
    Driver 1: standstill
    Driver 2: standstill
    Driver 3: standstill
    Driver 4: standstill
    Date/time: 2018-04-10 18:50:55
    Slowest main loop (seconds): 0.004196; fastest: 0.000034
    === Move ===
    MaxReps: 0, StepErrors: 0, FreeDm: 240, MinFreeDm 240, MaxWait: 0ms, Underruns: 0, 0
    Scheduled moves: 0, completed moves: 0
    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
    === 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 2c:3a:e8:0b:07:cd
    WiFi Vcc 3.09, reset reason Turned on by main processor
    WiFi flash size 4194304, free heap 39224
    WiFi IP address
    WiFi signal strength -58dBm
    Reconnections 0
    HTTP sessions: 1 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)

  • My first thought is a power supply issue.

  • administrators

    @number40fan said in Random restarts mid-print. M122 included.:

    My first thought is a power supply issue.

    I agree, the clue is in this part of the M122 report:

    Last reset 00:02:13 ago, cause: power up

  • Dang, thank you for the help!

    It's a new meanwell, I tried not to skimp on the psu.

  • Could be a cabling issue, did you check that your VIN Connector cable is still firmly attached to the board and PSU?

  • It's all nice and secure, Vin stays right at and sometimes slightly above 24.0v

    Only had this problem about 3 times in a row then now its running fine again.

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