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[Question] Lost power when flashing my Lcd DMT48270C043_06WT

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发表于 2021-4-6 13:24:49 | 显示全部楼层 |阅读模式
Hello everyone
I upgraded my 3dprinter CR-10S Pro (LCD:  DMT 48270C043_06WT)   to the latest creality firmaware
The device was turned off accidentally

Now I have a problem:
1-        DMT 48270C043_06WT  LCD Locked on one image only.
2- SD card does not work and I can not download (Dwin_Set).

(Send video if needed)

Please help me recover my LCD. . .
Thank you in advance for your answer

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发表于 2021-4-6 16:00:09 | 显示全部楼层
Hi, it's Ms Maria Guo from DWIN Technology, glad to know you.
May you pls send your project to me for my further checking?
Here is my contact information:
Email:maria.guo@dwin.com.cn
Wechat:15127618011
Whatsapp:8615127618011
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发表于 2021-9-10 11:34:10 | 显示全部楼层
Same issue here
device: DMT_48270C043_06WT
tried to upgrade 3d printer firmware and due to sudden power down during upgrade it failed (not all pictures/icon uploaded so the firmware is not usable).

Now it does not download from DWIN_SET (also tried to upload from root and also nothing)
the device do response to 80-83 commands from serial port but the DWIN download tool gives a response timeout (probably due to NoAck kernel version).

i tried to fix it by playing with the T5UID1.cfg but no success, now it does not even show the "DWIN_SET" folder name when read VP 0x7C - just return 8 zeros)

Is there a way to completely wipe/clear/format the entire device so it will recognize the SD card and download from the DWIN_SET folder again??

king regards,
Udi
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发表于 2021-9-10 12:00:56 | 显示全部楼层
本帖最后由 luoyangdwin1 于 2021-9-10 13:01 编辑
UdiAzulay 发表于 2021-9-10 11:34
Same issue here
device: DMT_48270C043_06WT
tried to upgrade 3d printer firmware and due to sudden po ...


You can modify the cfg file or format the software configuration, as shown in the screenshot.      

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发表于 2021-9-10 14:38:37 | 显示全部楼层
Hi,
thank you for your quick response,
1. it seems there many versions of DGUS tool, I tried 3 different versions and non of them has the config tool/screen you captured (tried version: V5.04, V7.383, V7.618), could you send a link to the captured version? (or even just send a good CFG file)
2. I tried to set position 0x04 in the CFG file with 0x5AA5 (as specified in the documentation) but it seems like the device ignores the CFG file all together and never enter the download screen (the blue screen with download file count)
3. I tried to put the CFG file both in the root and in DWIN_SET folder - same results - nothing happens

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发表于 2021-9-10 14:49:54 | 显示全部楼层
UdiAzulay 发表于 2021-9-10 14:38
Hi,
thank you for your quick response,
1. it seems there many versions of DGUS tool, I tried 3 diffe ...

It may be a problem with the SD card. Try formatting. The steps are shown in the figure; Then, the software and formatted CFG files are also sent to you

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发表于 2021-9-10 15:21:37 | 显示全部楼层
thank you again for your response,

I tried the newly created CFG file and nothing,
the device ignores the SD card and it's not a hardware issue...

I do believe that I somehow locked it out while playing with the CFG file, as I tried to disable/enable the download file check in the CFG file (position 0x30), change system configuration and...
and after lost some hope I even tried to enter a decode key in the SD encryption section of the CFG file (position 0x50 - added 32 bytes filled with zero)

None of the above did anything, it always ignores the file and never enter the blue screen

please advise
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发表于 2021-9-10 15:23:38 | 显示全部楼层
of course I formatted the card once again using the method you mentioned
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发表于 2021-9-10 15:26:50 | 显示全部楼层
UdiAzulay 发表于 2021-9-10 15:23
of course I formatted the card once again using the method you mentioned

Is the SD card 1-16g?
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发表于 2021-9-10 15:28:12 | 显示全部楼层
yep 16 GB. here is the format results...

Initializing the File Allocation Table (FAT)...
Volume label (11 characters, ENTER for none)? DWIN
Format complete.
      14.5 GB total disk space.
      14.5 GB are available.

        4,096 bytes in each allocation unit.
    3,809,279 allocation units available on disk.

           32 bits in each FAT entry.

Volume Serial Number is 4458-BF95
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