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Topic-icon MDC2230 lost after downgrade (in dfu mode)

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4 years 1 month ago #29531352 by ScallogTeam
Hi,
We just acquired a mdc2230 controller who was actually in the firmware v15
we try to pass it in v14a by download it in DFU mode and that works but
now we can't communicate anymore with it in USB and in RS232 mode it blocks
after telling us "starting...".
On power on, The "stat" LED blinks fastly during one second and become continue. The pwr led stays on.
Is there a way to put it again in DFU mode or factory default mode ? Is there a jumper inside the PCB to force the dfu mode ?

Best regards

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4 years 1 month ago #29531356 by TechSupport
Depending on what the firmware file for the 1.4a you have, then it may be likely you will have to return the controller to be reflashed. More than likely you bricked the controller.

What is the exact name of the firmware file you used to update? Also please take a look at the bottom of the controller. There is a sticker, somewhere on there it should something like 2.1 or 3.2

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4 years 1 month ago - 4 years 1 month ago #29531360 by psykokwak
Hi,
Thanks for your help.
There is "MD46 V3.2 1508" written on the sticker.
The firmware comes from here : dev.roboteq.com/dev1/index.php/forum/11-...nce-firmware-upgrade

Is there a jumper inside the PCB to force DFU mode and reflash the board ?
Once opened it, I see a 4 pins header near the encoder connector. Is there something like that (for the SDC) : dev.roboteq.com/dev1/index.php/forum/10-...ymore-after-updating ??

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4 years 1 month ago #29531362 by TechSupport
You have the latest pcb version. I don't know which firmware file you used, but the new firmware files are now zbin and zdfu as there are 2 different firmwares for the pcb boards. The reason is that the newest version of the utility will know which controller version you are updating so it installs the correct file.

It may be possible to try to reflash via Serial using the method in link below, but it sounds like this controller will need to come back.

dev.roboteq.com/dev1/index.php/support/s...update-or-in-general


Regarding the jumper no. That was a very old design.
The following user(s) said Thank You: psykokwak, ScallogTeam

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4 years 1 month ago #29531363 by ScallogTeam
Thks a lot for two things unblock me and give this advice that was really
helpfull and the controller works again
Thanks again !!

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