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Z axis no longer functions

Discussion in 'CNC Mills/Routers' started by Bad Builder, Dec 21, 2021.

  1. Bad Builder

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    Hi all, I hope everyone is doing well.

    I have a weird issue that came on very suddenly. The Z axis (workbee1010) stopped working.
    One second it was working and the next, it wasn't.

    I was jogging Z for a bit change, and it suddenly stopped responding. I reset laptop, and blackbox controller, checked all of the wiring and plugs, I detached the motor from the shaft to see if that would help but the motor would not turn. I then tried a spare nema23 motor to no avail.

    The X and Y will function until I try to jog Z, then none of them will function until I disconnect and reconnect in Openbuilds Control, then X and Y function again until I try Z, then it all locks up again.

    The only thing I can think of is the Z controller in the Blackbox went to heaven ¯\_(ツ)_/¯
    I have a new Blackbox controller on order hoping this will remedy it. At least it will be an easy swap.

    Has anyone else encountered an issue such as this ?

    Edit: I have OpenBuilds CONTROL v1.0.309
     
    #1 Bad Builder, Dec 21, 2021
    Last edited: Dec 21, 2021
  2. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Bad Builder likes this.
  3. Bad Builder

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    Thank you, LOL... I didn't know there were led's there, no lights were triggered. If I push reset button on box then unlock alarm in Control, X and Y work again.

    I disconnected Z motor completely and same result.

    Serial Console tab shows nothing new with Z jog attempts. Only the previous X and Y movements.
     
  4. Bad Builder

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    I also just tried unplugging Z right at the blackbox instead of at the motor, same result, and no light triggered.
     
  5. Bad Builder

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    Just curious if anyone knows, are the internal control boards in the Blackbox available separately ?
     
  6. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    They are, but your symptoms so far doesn't ring hardware replacement just yet

    Do post the log for another set of eyes on it


    Thanks for confirming

    Swop your X and Z axis wiring, try jogging "x" see if Z moves? Try jogging Z, see if X moves?
     
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  7. Bad Builder

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    Ok... the Z axis works when plugged into the X port on the blackbox but the X axis locks the system up again from the Z port.
    Should I just copy and paste from console widow to reply window in forum ?
     
  8. Bad Builder

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    [14:06:09] [ 3D Viewer ] WebGL Support found! success: this application will work optimally on this device!

    [14:06:10] [ websocket ] Bidirectional Websocket Interface Started Succesfully

    [14:06:11] [ update ] Checking for Updates

    [14:06:11] [ update ] You are already running OpenBuilds CONTROL 1.0.309

    [14:08:04] [ connect ] PORT INFO: Port is now open: COM3 - Attempting to detect Firmware

    [14:08:04] [ connect ] Checking for firmware on COM3

    [14:08:04] [ connect ] Detecting Firmware: Method 1 (Autoreset)

    [14:08:05] [ connect ] Detecting Firmware: Method 2 (Ctrl+X)

    [14:08:06] [ connect ] Detecting Firmware: Method 3 (others that are not supported)

    [14:08:07] [ ] Grbl 1.1g ['$' for help]

    [14:08:07] [ ] [MSG:'$H'|'$X' to unlock]

    [14:08:07] [ $$ ] $0=10 ;Step pulse time, microseconds

    [14:08:07] [ $$ ] $1=255 ;Step idle delay, milliseconds

    [14:08:07] [ $$ ] $2=0 ;Step pulse invert, mask

    [14:08:07] [ $$ ] $3=3 ;Step direction invert, mask

    [14:08:07] [ $$ ] $4=1 ;Invert step enable pin, boolean

    [14:08:07] [ $$ ] $5=0 ;Invert limit pins, boolean

    [14:08:07] [ $$ ] $6=0 ;Invert probe pin, boolean

    [14:08:07] [ $$ ] $10=1 ;Status report options, mask

    [14:08:07] [ $$ ] $11=0.020 ;Junction deviation, millimeters

    [14:08:07] [ $$ ] $12=0.002 ;Arc tolerance, millimeters

    [14:08:07] [ $$ ] $13=0 ;Report in inches, boolean

    [14:08:07] [ $$ ] $20=0 ;Soft limits enable, boolean

    [14:08:07] [ $$ ] $21=1 ;Hard limits enable, boolean

    [14:08:07] [ $$ ] $22=1 ;Homing cycle enable, boolean

    [14:08:07] [ $$ ] $23=3 ;Homing direction invert, mask

    [14:08:07] [ $$ ] $24=100.000 ;Homing locate feed rate, mm/min

    [14:08:07] [ $$ ] $25=1000.000 ;Homing search seek rate, mm/min

    [14:08:07] [ $$ ] $26=250 ;Homing switch debounce delay, milliseconds

    [14:08:07] [ $$ ] $27=20.000 ;Homing switch pull-off distance, millimeters

    [14:08:07] [ $$ ] $30=1000 ;Maximum spindle speed, RPM

    [14:08:07] [ $$ ] $31=0 ;Minimum spindle speed, RPM

    [14:08:07] [ $$ ] $32=0 ;Laser-mode enable, boolean

    [14:08:07] [ $$ ] $100=199.100 ;X-axis steps per millimeter

    [14:08:07] [ $$ ] $101=199.100 ;Y-axis steps per millimeter

    [14:08:07] [ $$ ] $102=199.100 ;Z-axis steps per millimeter

    [14:08:07] [ $$ ] $110=2500.000 ;X-axis maximum rate, mm/min

    [14:08:07] [ $$ ] $111=2500.000 ;Y-axis maximum rate, mm/min

    [14:08:07] [ $$ ] $112=2052.000 ;Z-axis maximum rate, mm/min

    [14:08:07] [ $$ ] $120=150.000 ;X-axis acceleration, mm/sec^2

    [14:08:07] [ $$ ] $121=150.000 ;Y-axis acceleration, mm/sec^2

    [14:08:07] [ $$ ] $122=0.000 ;Z-axis acceleration, mm/sec^2

    [14:08:07] [ $$ ] $130=824.000 ;X-axis maximum travel, millimeters

    [14:08:07] [ $$ ] $131=780.000 ;Y-axis maximum travel, millimeters

    [14:08:07] [ $$ ] $132=122.000 ;Z-axis maximum travel, millimeters

    [14:08:07] [ $$ ] ok

    [14:08:07] [ $I ] [VER:1.1g.20181112:WORKBEE1010]

    [14:08:07] [ $I ] [OPT:V,15,128]

    [14:08:07] [ $I ] ok

    [14:08:07] [ $G ] [GC:G0 G54 G17 G21 G90 G94 M5 M9 T0 F0 S0]

    [14:08:07] [ $G ] ok

    [14:08:08] [ connect ] Firmware Detected: grbl version 1.1g on COM3

    [14:08:12] [ ] Grbl 1.1g ['$' for help]

    [14:08:12] [ ] [MSG:'$H'|'$X' to unlock]

    [14:08:12] [ ] [MSG:Caution: Unlocked]

    [14:08:12] [ ] ok

    [14:08:13] [ $$ ] $0=10 ;Step pulse time, microseconds

    [14:08:13] [ $$ ] $1=255 ;Step idle delay, milliseconds

    [14:08:13] [ $$ ] $2=0 ;Step pulse invert, mask

    [14:08:13] [ $$ ] $3=3 ;Step direction invert, mask

    [14:08:13] [ $$ ] $4=1 ;Invert step enable pin, boolean

    [14:08:13] [ $$ ] $5=0 ;Invert limit pins, boolean

    [14:08:13] [ $$ ] $6=0 ;Invert probe pin, boolean

    [14:08:13] [ $$ ] $10=1 ;Status report options, mask

    [14:08:13] [ $$ ] $11=0.020 ;Junction deviation, millimeters

    [14:08:13] [ $$ ] $12=0.002 ;Arc tolerance, millimeters

    [14:08:13] [ $$ ] $13=0 ;Report in inches, boolean

    [14:08:13] [ $$ ] $20=0 ;Soft limits enable, boolean

    [14:08:13] [ $$ ] $21=1 ;Hard limits enable, boolean

    [14:08:13] [ $$ ] $22=1 ;Homing cycle enable, boolean

    [14:08:13] [ $$ ] $23=3 ;Homing direction invert, mask

    [14:08:13] [ $$ ] $24=100.000 ;Homing locate feed rate, mm/min

    [14:08:13] [ $$ ] $25=1000.000 ;Homing search seek rate, mm/min

    [14:08:13] [ $$ ] $26=250 ;Homing switch debounce delay, milliseconds

    [14:08:13] [ $$ ] $27=20.000 ;Homing switch pull-off distance, millimeters

    [14:08:13] [ $$ ] $30=1000 ;Maximum spindle speed, RPM

    [14:08:13] [ $$ ] $31=0 ;Minimum spindle speed, RPM

    [14:08:13] [ $$ ] $32=0 ;Laser-mode enable, boolean

    [14:08:13] [ $$ ] $100=199.100 ;X-axis steps per millimeter

    [14:08:13] [ $$ ] $101=199.100 ;Y-axis steps per millimeter

    [14:08:13] [ $$ ] $102=199.100 ;Z-axis steps per millimeter

    [14:08:13] [ $$ ] $110=2500.000 ;X-axis maximum rate, mm/min

    [14:08:13] [ $$ ] $111=2500.000 ;Y-axis maximum rate, mm/min

    [14:08:13] [ $$ ] $112=2052.000 ;Z-axis maximum rate, mm/min

    [14:08:13] [ $$ ] $120=150.000 ;X-axis acceleration, mm/sec^2

    [14:08:13] [ $$ ] $121=150.000 ;Y-axis acceleration, mm/sec^2

    [14:08:13] [ $$ ] $122=0.000 ;Z-axis acceleration, mm/sec^2

    [14:08:13] [ $$ ] $130=824.000 ;X-axis maximum travel, millimeters

    [14:08:13] [ $$ ] $131=780.000 ;Y-axis maximum travel, millimeters

    [14:08:13] [ $$ ] $132=122.000 ;Z-axis maximum travel, millimeters

    [14:08:13] [ $$ ] ok

    [14:08:13] [ $I ] [VER:1.1g.20181112:WORKBEE1010]

    [14:08:13] [ $I ] [OPT:V,15,128]

    [14:08:13] [ $I ] ok

    [14:08:13] [ $G ] [GC:G0 G54 G17 G21 G90 G94 M5 M9 T0 F0 S0]

    [14:08:13] [ $G ] ok

    [14:09:54] [ $J=G91G21X2.54F2500 ] ok

    [14:09:56] [ $J=G91G21Y-2.54F2500 ] ok
     
  9. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    I am not seeing the Z move in the log.
     
  10. Bad Builder

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    The Z movement was at the end but it just locks up the system and shows nothing ... It requires a reconnect to be able to use X and Y again.
     
  11. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Ok, contact the Partstore via Support for further assistance. Thanks
     
  12. Bad Builder

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    ok, thanks for your troubleshooting help
     
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  13. Christian James

    Christian James Journeyman
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    Peter, what effect does the Z axis acceleration =0.000 ($122) have ?
     
  14. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Aha! What keen pair of eyes. I thank you for spotting what I missed. But yes, that is very possibly it!
     
  15. David the swarfer

    David the swarfer OpenBuilds Team
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    I see this...
    Code:
    [14:08:13] [ $$ ] $122=0.000 ;Z-axis acceleration, mm/sec^2
    0 acceleration cannot be correct.

    Yep, setting acceleration to 0 locks up GRBL.
     
  16. Bad Builder

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    Thanks guys!, How would I remedy this situation... ?
     
  17. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Go to Grbl Settings and enter a proper value for your Z axis acceleration. Click Save
     
  18. Bad Builder

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    Thank you Peter!

    I'm sure I tried to do that yesterday and the settings didn't stay set. I will try it again later tonight. I am not sure what the acceleration speed was supposed to be set to.

    Thank you everyone, I hope everyone has a Merry Christmas!
     
  19. Alex Chambers

    Alex Chambers Master
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    The same as the acceleration setting for X and Y - $122=150.
    Alex.
     
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  20. Bad Builder

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    Thanks everyone! after a bunch of reading, following links and watching videos, I now know what a DRO is...

    I have been trying to figure out how to raise the Z height when you tell the machine to go to home position,
    but I am not having any luck finding any information.

    Is anyone able to steer me in the right direction ?
     
  21. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    See $23= in the Grbl Wiki > Configuration page. Read that entire Grbl wiki, all pages. Github.com/gnea/grbl/wiki
     
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  22. Bad Builder

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    Thank you very much!
     
  23. Bad Builder

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    Just as a follow up, problem has been solved.
    Acceleration speed for Z has been reset to 150 and is working again!

    Totally my own fault for playing with the settings, although I am not sure how I set it to zero.

    Thank you everyone!
     

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