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Dreaded white screen of death.

Discussion in 'Troubleshooting' started by Jeffrey Slotnick, Mar 28, 2020.

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  1. Jeffrey Slotnick

    Jeffrey Slotnick New Member

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    Hi Guys,
    My printer went from a great working printer to an unusable paperweight over night. I now have the dreaded white screen of death. From what I can tell it is either due to a corrupted micro sd card, and or a malfunctioning screen. I thought I would test things out by hooking up a different screen - I have this one (Raspberry Pi Touchscreen Monitor, 7'' IPS 1024X600 Dual-Speaker, USB HDMI Portable Monitor Capacitive Display, for Raspberry Pi 3b+/Raspberry Pi 4b, Xbox/PS4, Ubuntu, Windows 7/8/10, Drive-Free ). I'm able to get an image, however the touch functionality doesn't seem to be working, even though I verified the screen touch works with my laptop. Any suggestions to help me get going again ? Thanks so much Jeff
     

    Attached Files:

    #1 Jeffrey Slotnick, Mar 28, 2020
  2. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    My guess would be that it needs a driver for the touchscreen. I looked around at this screen and they are saying "no driver needed" BUT that probably applies to current versions of Raspbian -- not the older version the R2 and C2 use.

    If you want to try one this -- make a backup of the SD card image and then SSH to the pi and do

    sudo apt-get update

    and then when done...

    sudo apt-get upgrade


    That might pick up a new driver...

    The problem with updating anything on the Robo image is that it may well break the LCD menu software. That runs as a plugin to OctoPi and their plugin depends on parts that are no longer supported by newer versions of the operating system nor OctoPrint. So updating anything runs the risk of breaking it. YOU CAN try the community edition OS image that @WheresWaldo and others worked on. It does not use the same menu system, but it is a more current version of Raspbian and IS update-able.
     
    #2 mark tomlinson, Mar 28, 2020
  3. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    #3 mark tomlinson, Mar 28, 2020
  4. Jeffrey Slotnick

    Jeffrey Slotnick New Member

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    Wow - Ok Thanks for getting back to me Mark. 1st order of business is doing some research to try to figure out what you recommended. Thanks - I'll keep this thread updated of my progress, incase someone else has the same experience.
     
    #4 Jeffrey Slotnick, Mar 28, 2020
    mark tomlinson likes this.
  5. tkoco

    tkoco - -.- --- -.-. ---
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    The touch screen works through the ribbon cable attached to the screen from the RPi GPIO bus.
    Before replacing the LCD display, please try creating a new SDcard with the default RoboOS. SDcards are less expensive than a new LCD screen. See the R2 FAQ for information on RoboOS.
    If that does not fix the situation, then I agree with @mark tomlinson that replacing the LCD screen would be the next step. Read the thread which @mark tomlinson posted a link to.
     
    #5 tkoco, Mar 28, 2020
  6. Jeffrey Slotnick

    Jeffrey Slotnick New Member

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    Hi tkoco, Thanks for the recommendations. I actually have already created a new SDcard with the default roboOS, this didn't improve my situation this time. However, I did order & hookup (not officially installed yet - as that looks quite painful) a replacement screen from partsbuilt.com. This allowed me to access my wifi, download an update the software. Now my current issue is when attempting to set the Z offset, the print area doesn't go up high enough. I did some research on here, and saw that I could change the default eprom z setting, so I tried changing from 20 to 6, but it didn't appear to make any difference. Anyone that has any thoughts I'd really love to have my printer back to functional....
     
    #6 Jeffrey Slotnick, Mar 29, 2020
  7. tkoco

    tkoco - -.- --- -.-. ---
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    Is the offset a positive number or a negative number? I ask since due to the physical construction of the R2 printer, all Z Offset values MUST be a negative number.
     
    #7 tkoco, Mar 29, 2020
  8. Jeffrey Slotnick

    Jeffrey Slotnick New Member

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    It seems like it is stuck at -20 for some reason. I try to set it to -6, however once I start the z offset wizard it won't progress past z ofset 1 / 4
     
    #8 Jeffrey Slotnick, Mar 29, 2020
  9. tkoco

    tkoco - -.- --- -.-. ---
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    What is the current firmware level of the main board? You may have a software conflict between the RoboOS and the Marlin firmware.
     
    #9 tkoco, Mar 29, 2020
  10. Jeffrey Slotnick

    Jeffrey Slotnick New Member

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    Hopefully this is what you are talking about - 2.0.0-r2.6.
     
    #10 Jeffrey Slotnick, Mar 29, 2020
  11. tkoco

    tkoco - -.- --- -.-. ---
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    Firmware? Just added the method to the R2 FAQ.
     
    #11 tkoco, Mar 29, 2020
  12. Jeffrey Slotnick

    Jeffrey Slotnick New Member

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    Yes - I get RoboOS - 2.0.0-r2.6 is that the wrong thing ?
     
    #12 Jeffrey Slotnick, Mar 29, 2020
  13. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Go into your GCode console in whatever slicer or host program you are using and enter this: That will report back the firmware version

    M115

    (the RoboOS version is not the same thing)
     
    #13 mark tomlinson, Mar 29, 2020
  14. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    You should get back something like this:


    FIRMWARE_NAME:Marlin 1.1.0 (Github) SOURCE_CODE_URL:https://github.com/MarlinFirmware/Marlin PROTOCOL_VERSION:1.0 MACHINE_TYPE:RepRap EXTRUDER_COUNT:1 UUID:cede2a2f-41a2-4748-9b12-c55c62f367ff

    except it will be likely different because it is YOUR version :) That is just an example
     
    #14 mark tomlinson, Mar 29, 2020
  15. Jeffrey Slotnick

    Jeffrey Slotnick New Member

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    hopefully I did this ok...

    Send: M105
    Recv: ok T:16.84 /0.00 B:17.46 /0.00 @:0 B@:0
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    Send: M115
    Recv: FIRMWARE_NAME:Marlin Marlin_1.1.6_RoboVersion_1.2.4 Robo R2 SOURCE_CODE_URL:https://github.com/Robo3D/Marlin PROTOCOL_VERSION:1.0 MACHINE_TYPE: Robo R2 EXTRUDER_COUNT:1 UUID:cede2a2f-41a2-4748-9b12-c55c62f367ff
    Recv: Cap:EEPROM:1
    Recv: Cap:AUTOREPORT_TEMP:1
    Recv: Cap:pROGRESS:0
    Recv: Cap:pRINT_JOB:1
    Recv: Cap:AUTOLEVEL:1
    Recv: Cap:Z_PROBE:1
    Recv: Cap:LEVELING_DATA:1
    Recv: Cap:SOFTWARE_POWER:0
    Recv: Cap:TOGGLE_LIGHTS:1
    Recv: Cap:CASE_LIGHT_BRIGHTNESS:1
    Recv: Cap:EMERGENCY_PARSER:1
    Recv: ok
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    Recv: ok T:16.80 /0.00 B:17.66 /0.00 @:0 B@:0
     
    #15 Jeffrey Slotnick, Mar 29, 2020
  16. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    So, in summary :

    FIRMWARE_NAME:Marlin Marlin_1.1.6_RoboVersion_1.2.4 Robo R2 SOURCE_CODE_URL:https://github.com/Robo3D/Marlin PROTOCOL_VERSION:1.0 MACHINE_TYPE: Robo R2 EXTRUDER_COUNT:1 UUID:cede2a2f-41a2-4748-9b12-c55c62f367ff
    Recv: Cap:EEPROM:1
    Recv: Cap:AUTOREPORT_TEMP:1
    Recv: Cap:pROGRESS:0
    Recv: Cap:pRINT_JOB:1
    Recv: Cap:AUTOLEVEL:1
    Recv: Cap:Z_PROBE:1
    Recv: Cap:LEVELING_DATA:1
    Recv: Cap:SOFTWARE_POWER:0
    Recv: Cap:TOGGLE_LIGHTS:1
    Recv: Cap:CASE_LIGHT_BRIGHTNESS:1
    Recv: Cap:EMERGENCY_PARSER:1

    There are the firmware version details :)

    Marlin Marlin_1.1.6 is the key takeaway
     
    #16 mark tomlinson, Mar 29, 2020
  17. Jeffrey Slotnick

    Jeffrey Slotnick New Member

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    Does that mean we have a conflict ?
     
    #17 Jeffrey Slotnick, Mar 29, 2020
  18. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    I don't have an R2 to compare to, but the main version (1.1.6) seems correct. I am not certain on the "robo" version (1.2.4) or how that lines up with the RoboOS version (2.0.0-r2.6)

    Someone with an R2 can sanity check that (@WheresWaldo , @tkoco , @Geof )?
     
    #18 mark tomlinson, Mar 29, 2020
  19. tkoco

    tkoco - -.- --- -.-. ---
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    RoboOS appears to be the latest version
     
    #19 tkoco, Mar 30, 2020
  20. tkoco

    tkoco - -.- --- -.-. ---
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    Your Marlin firmware is an older version. And it conflicts with the RoboOS which you are using. I recommend that you update the firmware to the latest Robo version of Marlin (1.2.6)
    A link to that firmware is posted in the R2 FAQ.
     
    #20 tkoco, Mar 30, 2020
    Geof and mark tomlinson like this.
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