Ender 3 V2 not working

I have 5 printers working off 2 pi's running repetier server.  LOVE the solution.  Just added a new Ender 2 V2 to my 2nd pi and I can't get it to communicate properly.  The auto detect doesn't find it, but I did find some folks using Repetier host and used 115200 for the baud rate.  Using that I can get it setup and to connect, but there's definitely an issue because nothing works.  The temperatures won't update, I can't get the extruder to heat, etc.  I'm shocked there is almost no info out there on this printer given it's popularity, anybody have any ideas?
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Comments

  • Is firmware set correctly and not on repetier-firmware?

    Can you show communication in console when no filters are applied? There you see best what is going wrong.
  • Repetier said:
    Is firmware set correctly and not on repetier-firmware?

    Can you show communication in console when no filters are applied? There you see best what is going wrong.
    Set to Marlin as it should be.  Here's a snippet from unfiltered Console.  In this snippet I deactivated and activated the printer, and then tried to heat the hotend.  No response from the printer on the hotend nor did the temperature readings change.

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    Recv: 6:58:20.693: Error:Line Number is not Last Line Number+1, Last Line: 10
    Recv: 6:58:20.696: Resend: 11
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    Mesg: 6:59:23.699: Dtr: true Rts: true
    Mesg: 6:59:23.700: Connection started
    Mesg: 6:59:23.716: Dtr: false Rts: false
    Mesg: 6:59:23.726: Dtr: true Rts: true
    Recv: 6:59:23.746: Response while unconnected:ok T:23.09 /0.00 B:23.12 /0.00 @:0 B@:0
    Recv: 6:59:23.774: FIRMWARE_NAME:Marlin Ver 1.0.2 SOURCE_CODE_URL:https://github.com/MarlinFirmware/Marlin PROTOCOL_VERSION:1.0 MACHINE_TYPE:Ender-3 V2 EXTRUDER_COUNT:1 UUID:cede2a2f-41a2-4748-9b12-c55c62f367ff
    Recv: 6:59:23.777: Cap:SERIAL_XON_XOFF:0
    Recv: 6:59:23.777: Cap:BINARY_FILE_TRANSFER:0
    Recv: 6:59:23.780: Cap:EEPROM:1
    Recv: 6:59:23.780: Cap:VOLUMETRIC:1
    Recv: 6:59:23.783: Cap:AUTOREPORT_TEMP:1
    Recv: 6:59:23.785: Cap:PROGRESS:0
    Recv: 6:59:23.785: Cap:PRINT_JOB:1
    Recv: 6:59:23.788: Cap:AUTOLEVEL:0
    Recv: 6:59:23.788: Cap:Z_PROBE:0
    Recv: 6:59:23.790: Cap:LEVELING_DATA:0
    Recv: 6:59:23.790: Cap:BUILD_PERCENT:0
    Recv: 6:59:23.793: Cap:SOFTWARE_POWER:0
    Recv: 6:59:23.796: Cap:TOGGLE_LIGHTS:0
    Recv: 6:59:23.799: Cap:CASE_LIGHT_BRIGHTNESS:0
    Recv: 6:59:23.800: Cap:EMERGENCY_PARSER:0
    Recv: 6:59:23.802: Cap:PROMPT_SUPPORT:0
    Recv: 6:59:23.805: Cap:AUTOREPORT_SD_STATUS:0
    Recv: 6:59:23.807: Cap:THERMAL_PROTECTION:1
    Recv: 6:59:23.807: Cap:MOTION_MODES:0
    Recv: 6:59:23.810: Cap:CHAMBER_TEMPERATURE:0
    Recv: 6:59:23.815: X:0.00 Y:0.00 Z:0.00 E:0.00 Count X:0 Y:0 Z:0
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  • It is not unfiltered. I see no commands and no ack. All I see is 
    @::00 BB@@::00
    @::127127 BB@@::00

    which contain parts of temperature responses but not the complete part. And without the time stamp I can't say if it is temporary garbage or all the time. Wonder anyway where the recv: part is. Maybe it is a very long line or has returns overwriting start. You should activate logging when unconnected and then check the connected.log log file. You need to reconnect printer so it starts writing the log. There you should see everything of the communication.
  • Repetier said:
    It is not unfiltered. I see no commands and no ack. All I see is 
    @::00 BB@@::00
    @::127127 BB@@::00

    which contain parts of temperature responses but not the complete part. And without the time stamp I can't say if it is temporary garbage or all the time. Wonder anyway where the recv: part is. Maybe it is a very long line or has returns overwriting start. You should activate logging when unconnected and then check the connected.log log file. You need to reconnect printer so it starts writing the log. There you should see everything of the communication.
    Forgive me, but where do I activate logging?  And is there a way to access the connected.log file remotely, this is on a pi...

  • I think it might actually be working, but I'm not sure why.  I was able to show more details in the console and saw it was receiving and responding to commands so I tried sending a benchy to print and I'm getting data back.  Not sure why it was acting funny when initializing but once I send a print it appears to work.  Let's see how this comes out.  Very odd.
  • Ok so it's definitely printing but there is terrible latency in like the main printers screen where it usually shows the temperature graph, so it seems like it's not getting consistent temperature data or something is up with that.  I guess it will function this way assuming the print comes out ok, but I'd love to get it working like all my other printers where you see the temp graph progress.
  • Print came out just fine, but temps aren't updating at all at this point.  Any ideas why the temps wouldn't show up?

    Here's the console output, I toggled on the options at the top so hopefully this gives you more info:

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    Send: 1:17:19.086: N123361 M115
    Recv: 1:17:19.106: FIRMWARE_NAME:Marlin Ver 1.0.2 SOURCE_CODE_URL:https://github.com/MarlinFirmware/Marlin PROTOCOL_VERSION:1.0 MACHINE_TYPE:Ender-3 V2 EXTRUDER_COUNT:1 UUID:cede2a2f-41a2-4748-9b12-c55c62f367ff
    Recv: 1:17:19.108: Cap:SERIAL_XON_XOFF:0
    Recv: 1:17:19.111: Cap:BINARY_FILE_TRANSFER:0
    Recv: 1:17:19.111: Cap:EEPROM:1
    Recv: 1:17:19.114: Cap:VOLUMETRIC:1
    Recv: 1:17:19.116: Cap:AUTOREPORT_TEMP:1
    Recv: 1:17:19.116: Cap:PROGRESS:0
    Send: 1:17:19.117: N123362 M155 S1
    Recv: 1:17:19.119: Cap:PRINT_JOB:1
    Recv: 1:17:19.119: Cap:AUTOLEVEL:0
    Recv: 1:17:19.121: Cap:Z_PROBE:0
    Recv: 1:17:19.122: Cap:LEVELING_DATA:0
    Recv: 1:17:19.124: Cap:BUILD_PERCENT:0
    Recv: 1:17:19.127: Cap:SOFTWARE_POWER:0
    Recv: 1:17:19.127: Cap:TOGGLE_LIGHTS:0
    Recv: 1:17:19.131: Cap:CASE_LIGHT_BRIGHTNESS:0
    Recv: 1:17:19.133: Cap:EMERGENCY_PARSER:0
    Recv: 1:17:19.136: Cap:PROMPT_SUPPORT:0
    Recv: 1:17:19.139: Cap:AUTOREPORT_SD_STATUS:0
    Recv: 1:17:19.139: Cap:THERMAL_PROTECTION:1
    Recv: 1:17:19.141: Cap:MOTION_MODES:0
    Recv: 1:17:19.145: Cap:CHAMBER_TEMPERATURE:0
    Recv: 1:17:19.145: ok (2)
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    Send: 1:17:24.176: N123363 M119
    Recv: 1:17:24.182: Reporting endstop status
    Recv: 1:17:24.184: x_min: TRIGGERED
    Recv: 1:17:24.185: y_min: open
    Recv: 1:17:24.187: z_min: open
    Recv: 1:17:24.187: ok
    @::00 BB@@::00 (2)
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    Send: 1:17:27.610: N123364 M114
    Recv: 1:17:27.620: X:0.00 Y:220.00 Z:58.20 E:3988.75 Count X:0 Y:17600 Z:23280
    Recv: 1:17:27.620: ok
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  • edited October 24
    This is a very silly Ender 3 V2 firmware problem i've seen some users reporting online.
    It's because it's temperature output string has doubled characters.
    (Causes a little bit of trouble actually pasting it here on these forums too)

    The server just needs another kind of regex to parse it, or even better; Creality could fix their own firmware. (But it looks like even the newly shipped pro's have it now too...)

    Take a look here for an example:
    https://github.com/SimplyPrint/OctoPrint-Creality2xTemperatureReportingFix
    (this is for octoprint though, and I think this user's regex breaks the PWM reports after @'s )

    You'd usually have to change the regex temperature string for repetier-server inside of /usr/local/Repetier-Server/firmware/marlin.xml but this will break parsing for all your other marlin printers and I think repetier may have moved out the temperature regex string from this file as I can't find it anymore.

    He may have to do a special quick fix option on the server for ender firmware in this case.
  • Ok so interesting when I paste the log data and post it, the data is changed to that weird @ stuff.  It looks much better before I hit post comment...

  • This is a very silly Ender 3 V2 firmware problem i've seen some users reporting online.
    It's because it's temperature output string has doubled characters.
    (Causes a little bit of trouble actually pasting it here on these forums too)

    The server just needs another kind of regex to parse it, or even better; Creality could fix their own firmware. (But it looks like even the newly shipped pro's have it now too...)

    Take a look here for an example:
    https://github.com/SimplyPrint/OctoPrint-Creality2xTemperatureReportingFix
    (this is for octoprint though, and I think this user's regex breaks the PWM reports after @'s )

    You'd usually have to change the regex string for repetier-server inside of /usr/local/Repetier-Server/firmware/marlin.xml but this will break parsing for all your other marlin printers and I think repetier may have moved out the regex string from this file as I can't find it anymore.

    He may have to do a special quick fix option on the server for ender firmware in this case.
    Yes I think you nailed it.  Hopefully the Repetier folks see this and can figure it out with an update.  Now that I'm watching the logs I can see it is in fact reporting the temperatures constantly but the data stream isn't being parsed by repetier server properly.  Hopefully an easy fix for them!

  • What a silly firmware bug. It unnecessary increases output traffic and breaks all existing hosts. When I see the example for the plugin they even double the reported values. So definitively their bug and now they force all hosts to waste cpu time to detect and fix their errors.

    Of course I will add a fix. But only for marlin and in a way we can disable it. That way not all firmwares get the penalty and we can disable it any time.

    Good thing is you can use server just normally. Only thing is reported temps are missing but should have no negative impact on print.

    @AbsoluteCatalyst
    Thanks for pointing to the right output.
  • Repetier said:
    What a silly firmware bug. It unnecessary increases output traffic and breaks all existing hosts. When I see the example for the plugin they even double the reported values. So definitively their bug and now they force all hosts to waste cpu time to detect and fix their errors.

    Of course I will add a fix. But only for marlin and in a way we can disable it. That way not all firmwares get the penalty and we can disable it any time.

    Good thing is you can use server just normally. Only thing is reported temps are missing but should have no negative impact on print.

    @AbsoluteCatalyst
    Thanks for pointing to the right output.
    Yes I agree very silly and frustrating.  I agree I'm up and running, but it's very annoying to not be able to confirm temps especially to make sure the hotend is not staying on etc.  Not the end of the world, but whenever you get a chance to issue a fix I'd much appreciate it!  Thanks for all that you guys do, I absolutely love Repetier Server!
  • I already fixed it locally. Will be fixed in 0.94.4 which I'm working hard on so should not take too long to appear.
  • Repetier said:
    I already fixed it locally. Will be fixed in 0.94.4 which I'm working hard on so should not take too long to appear.
    oh awesome any guess on how long just so I know when to check back?
  • Hope somewhere november. It is more or less a bugfix release with some improvements but they are not tested 100% so need some more time to give it the wanted stability.
  • Repetier said:
    Hope somewhere november. It is more or less a bugfix release with some improvements but they are not tested 100% so need some more time to give it the wanted stability.
    Ok.  Let me know if you need a beta tester, especially for the ender 3 fix.
  • I'm also dealing with the same issue, glad to hear I'm not the only one, lol. 2'nd volunteer for beta testing.
    I've been using repetier for 5 years now, cura works fine with the V2, but I kinda hate it, also, it doesn't like most of my models I've printed many times before... so hearing this is getting fixed is amazing. Thanks!
  • I think we release next server version in november. When I think of it I will push a note here when a beta is available where it is fixed.
  • Repetier said:
    I think we release next server version in november. When I think of it I will push a note here when a beta is available where it is fixed.
    Awesome thanks, my printer has been working great but not seeing temp data is annoying!

    Tom
  • I just noticed, on the creality page, downloads area, that they have released the source code for the firmware, I hadn't seen that when looking for an update a week ago, but it's dated sept. 28'th which seems odd as I haven't had my printer that long, and went looking right away, but I could have just skipped over it I suppose.

    I'm currently looking through to see if I can find the source of the errors but no luck yet...
  • edited November 5
    Spyder said:
    I just noticed, on the creality page, downloads area, that they have released the source code for the firmware, I hadn't seen that when looking for an update a week ago, but it's dated sept. 28'th which seems odd as I haven't had my printer that long, and went looking right away, but I could have just skipped over it I suppose.

    I'm currently looking through to see if I can find the source of the errors but no luck yet...


    Cool.  Be ideal if they fixed it, silly bug for them to have honestly...
  • Same problem on my side. I would also like to be a beta tester if needed
  • Ok beta for linux with fix is now available for testing:

    You install the beta by downloading the version 0.94.4 manually from our download server. Just replace the version in download link with the beta version.

    Please note that you won't see the official update in this case. So when the final version is released you also need to update it manually just like you did with the beta version.

    For raspberry you can install the beta as follows:

    Login via ssh and enter the following commands:

    wget https://download3.repetier.com/files/server/debian-armhf/Repetier-Server-0.94.4-Linux.deb

    sudo dpkg -i Repetier-Server-0.94.4-Linux.deb

    rm Repetier-Server-0.94.4-Linux.deb


    Please note that windows and mac versions for beta or not as frequent and up to date as linux version. They might even not be available at all!

  • Just see you better wait. Current version does not work at all:-(
  • Ok seems to work now, so installation can new be done.
  • are you implementing the fix in host as well?
  • I guess I will.
  • Repetier said:
    I guess I will.

    that would be amazingly appreciated!
  • Any idea when the full release will have this fix?
  • Not exactly. Currently it looks like december we will release the update. Server update probably already in november.
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