Firmware Update failed
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Hello everyone, my existing problem with the update: Previous version: 2.05, wanted to update directly to 3.4....unfortunately this was probably wrong. Now I have updated the main firmware (Duet2CombinedFirmware.bin) and DuetWiFiServer.bin to 3.0 via console using M997 So and M997 S1, which also worked without errors. The terminal programme displays the following with the command M115: FIRMWARE_NAME: RepRapFirmware for Duet 2 WiFi/Ethernet FIRMWARE_VERSION: 3.0 ELECTRONICS: Duet WiFi 1.02 or later FIRMWARE_DATE: 2020-01-03b3<LF>ok<LF>. However, I still cannot access the printer via the Duet Web Control. The browser only shows Connecting and Incompatible Firmware Version. I have read that the Config.g file also needs to be adjusted
Need urgent help on this....Help....Help 
And if all this works again at some point...should I take the step to version 3.4.0? -
@michael-suberg with the SD card in a PC, delete the current www folder, and replace it with DWC from the RRF 3.0 version.
Ian
Bed-slinger - Mini5+ WiFi/1LC | RRP Fisher v1 - D2 WiFi | Polargraph - D2 WiFi | TronXY X5S - 6HC/Roto | CNC router - 6HC | Tractus3D T1250 - D2 Eth
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@michael-suberg for config changes between RRF 2.x and 3.x, see https://docs.duet3d.com/User_manual/RepRapFirmware/Migration_RRF2_to_RRF3
Ian
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@droftarts Sorry, but i can't find any www folder on the Duet2and3Firmware-3.0.zip
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@michael-suberg actually, an easier way to it is to load the 3.4 duet2combinedfirmware.bin onto the sd card in the sys folder, connect via USB and send M997 S0.
If you want to downgrade DWC to 3.0 version, use https://github.com/Duet3D/RepRapFirmware/releases/download/3.0/DuetWebControl-SD-2.04.zip
I think because the DWC zip is included in the firmware bundle zip, desktop de-zipping tends to unzip them both into the same folder.
Ian
Bed-slinger - Mini5+ WiFi/1LC | RRP Fisher v1 - D2 WiFi | Polargraph - D2 WiFi | TronXY X5S - 6HC/Roto | CNC router - 6HC | Tractus3D T1250 - D2 Eth
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@droftarts Sorry, but i can't find any www folder on the Duet2and3Firmware-3.0.zip
I have had the config file converted by the RepRap tool. Unfortunately, still without success. The terminal programme searches for a different FW version: Error: In-application programming binary "Duet2CombinedIAP.bin" not found<LF>ok<LF>I am currently trying to do the following: Rename the iap4.bin file to Duet2CombinedIAP.bin. Then start the update in the terminal programme with M997 S0 and the display says Firmware Download......and nothing happens.
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The board is up and running again...thanks to Bossa.
Thanks for your help -
@michael-suberg for future reference, you need to use the iap file from the same release as the firmware you are running, ie you would have needed the iap file from 3.0. You can’t just rename the existing one.
Re the www folder, like I said, the firmware update bundle is different. I pointed you to the correct DWC zip file for 3.0, the contents of which you needed to extract into the www folder on the SD card.
Also, the configuration tool can’t convert a 2.x config to a 3.x config, it can only generate a new config. You can load a previous config using the config.json file, if you have it, but this doesn’t necessarily have all the tweaks of your config.g file.But glad you got it sorted with Bossa. Note that from 3.3, firmware and iap files are stored in a ‘firmware’ folder, rather than in the ‘sys’ folder.
Ian
