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Duet Ethernet SD Card not Recognized

Posted by jbolt 
Duet Ethernet SD Card not Recognized
November 26, 2017 02:41PM
I'm commissioning the board and as best I can tell the SD card slot is not working. I can read the SD card when directly connected to the PC and all the files seem to be there . M122 shows no SD card detected. I tried a different SD card with the same result. I added a gcode file to the gcode folder and ran M20 and it can back empty. I can connect to the board via USB through simplify3d or Arduino Serial Connect. with the Ethernet cable connected I can get an IP address but I cannot access the Web Control. With the USB connected the 5v & 3.3v leds are lighted.Not sure what else to try?

SENT: M122
READ: === Diagnostics ===
READ: Used output buffers: 1 of 32 (2 max)
READ: === Platform ===
READ: RepRapFirmware for Duet Ethernet version 1.19 running on Duet Ethernet 1.0
READ: Board ID: 08DGM-95BNL-MGPSN-6JKDG-3SN6T-TKYVZ
READ: Static ram used: 17684
READ: Dynamic ram used: 96236
READ: Recycled dynamic ram: 768
READ: Stack ram used: 3568 current, 4400 maximum
READ: Never used ram: 11984
READ: Last reset 02:32:26 ago, cause: power up
READ: Last software reset reason: not available
READ: Error status: 0
READ: Free file entries: 10
READ: SD card 0 detected, interface speed: 20.0MBytes/sec
READ: SD card longest block write time: 0.0ms
READ: MCU temperature: min 24.8, current 35.0, max 36.6
READ: Supply voltage: min 0.9, current 1.4, max 24.1, under voltage events: 5, over voltage events: 0
READ: Driver 0: standstill
READ: Driver 1: standstill
READ: Driver 2: standstill
READ: Driver 3: standstill
READ: Driver 4: standstill
READ: Date/time: 1970-01-01 00:00:00
READ: Slowest main loop (seconds): 0.001465; fastest: 0.000000
READ: === Move ===
READ: MaxReps: 1, StepErrors: 0, FreeDm: 240, MinFreeDm 239, MaxWait: 0ms, Underruns: 0, 0
READ: Scheduled moves: 1, completed moves: 1
READ: Bed compensation in use: none
READ: Bed probe heights: 0.000 0.000 0.000 0.000 0.000
READ: === Heat ===
READ: Bed heater = 0, chamber heater = -1
READ: Heater 0 is on, I-accum = 0.0
READ: Heater 1 is on, I-accum = 0.1
READ: === GCodes ===
READ: Segments left: 0
READ: Stack records: 1 allocated, 0 in use
READ: Movement lock held by null
READ: http is idle in state(s) 0
READ: telnet is idle in state(s) 0
READ: file is idle in state(s) 0
READ: serial is ready with "M122" in state(s) 0
READ: aux is idle in state(s) 0
READ: daemon is idle in state(s) 0
READ: queue is idle in state(s) 0
READ: autopause is idle in state(s) 0
READ: Code queue is empty.
READ: === Network ===
READ: State: 5
READ: HTTP sessions: 0 of 8
READ: Responder states: HTTP(0) HTTP(0) HTTP(0) HTTP(0) FTP(0) Telnet(0)
Re: Duet Ethernet SD Card not Recognized
November 26, 2017 07:30PM
I pulled the board from the printer and plugged in the USB with the board on the bench. Nothing, it would not show up in device manager. I noticed the USB powered hub was not showing a connection for that cable so I plugged the USB cable directly into the PC. It now shows up in the device manger. I plugged in the network cable and queried the router for the IP address which it returned. I am now able to access the the web control and the files on the SD card. Not sure what happened. I will start plugging things in one at a time and see what happens.
Re: Duet Ethernet SD Card not Recognized
November 27, 2017 12:34AM
If M122 says the SD card is not detected, that probably means one of two things:

1. The SD card is not fully inserted. There should be a faint click when you push it in, and you should have to push it in again to release it.

2. The CD pin of the SD card socket is not making good contact with the PCB due to a poor soldered joint. If this is the case, the problem may be intermittent. Looking into the front of the socket, this joint is the one on the back left corner. If that joint doesn't look good, ask your supplier to replace the Duet.


Delta printer calibration calculator, mini IR Z probe, and colour touch screen control panel: [escher3d.com]

Large delta printer, and other 3D printer blog postings: [miscsolutions.wordpress.com]

Disclosure: I have a financial interest in sales of the Panel Due, Mini IR height sensor, and Duet WiFi/Duet Ethernet [www.duet3d.com].
Re: Duet Ethernet SD Card not Recognized
November 30, 2017 10:15PM
Thank you for the response. I have the board working. It did not play nice when the USB and Ethernet cables were attached at the same time and under 24v power. Once the configuration files were setup and the board rebooted under just USB power it started working.
Re: Duet Ethernet SD Card not Recognized
December 01, 2017 01:51AM
That could indicate a USB ground loop problem. See [duet3d.com].


Delta printer calibration calculator, mini IR Z probe, and colour touch screen control panel: [escher3d.com]

Large delta printer, and other 3D printer blog postings: [miscsolutions.wordpress.com]

Disclosure: I have a financial interest in sales of the Panel Due, Mini IR height sensor, and Duet WiFi/Duet Ethernet [www.duet3d.com].
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