Rotary Roller Not Turning (LokLiK iEngrave Cover)

I’m having issues getting my rotary roller attachment to work. Rollers don’t turn during test or when engraving begins. I’ve checked all cables, Y connector is attached to rotary cable. I’ve adjusted the tension to tight and loosened it (not sure how tight the tension should be).



Rotary Setup Settings:

In the Move window, left and right arrows work, but up and down do not move the laser module/support foot.

Based on the size of your hand and the rollers in the second image, I doubt your rollers are 3” (73.66mm) in diameter. Did you enter the circumference instead by chance?

You unplugged the cable from the Yaxis motor and plugged it into the rotary motor, right?

Does the motor make any sort of humming kind of noise, or sort of jerk, when you click the rotary Test button?

Did your rotary come with a short cable that has two wires crossen on one end?

Thank you for catching the diameter typo. Corrected to 15.5mm.

Yes, the cable from the X-axis is unplugged and plugged into the rotary motor.
There was no humming/jerk sound yesterday when testing. However, a few days ago it made a grinding noise when trying to go to the home position, but not since. Today, there is no movement at all when trying to test or move. Getting an error now:


Unplugged cables, powered off and back on and got this error:

There were two cables included with the rotary - one black-end and one white-end and I’ve tried to work with both:

Well…I take that back. I unplugged the machine and restarted, and now there’s a jerk happening when I hit frame along with this error.


Note: white cables connected from x-axis connector cable to rotary motor.

Late here, so just a short response. The rotary should be plugged in the Yaxis, not X.

Thanks for the correction. I switched the connection to the Y-axis and still no luck. Powered off/on:


Tried to frame and test again. No luck. Tried to go to origin. Tried to go home:

Manually moved the support arm and laser module to 0.0.:

It’s recommending I re-home, but nothing is happening.

I also hit the reset button on the front of the machine to try to get it back to default settings. It make a sound like it wants to move to home, but it’s almost as if something is blocking the support arm and laser module from moving.

You cannot Home with a rotary. It has no limit switches.

Turn off GRBL Homing (parameter $22=0) and turnoff Auto-Home on Startup in Lightburn Device Settings, Basic tab.

You will also be using Current Position instead of Absolute Coords in the Laser window.

As for things not moving, leave the settings alone, plug the Yaxis motor back in, and report how it behaves.

Auto-Home on Startup was already turned off. Tried to turn off GRBL Homing:


Connected Y-axis back to motor, but homing still failed:

Used a different software and got movement but still could not home or frame. Got the grinding noise again.

$$

$0=3

$1=250

$2=0

$3=0

$4=0

$5=0

$6=0

$10=1

$11=0.010

$12=0.002

$13=0

$20=0

$21=1

$22=1

$23=3

$24=200.000

$25=2000.000

$26=250.000

$27=2.000

$30=1000.000

$31=0.000

$32=1

$100=80.000

$101=80.000

$102=100.000

$103=100.000

$104=100.000

$105=100.000

$110=30000.000

$111=30000.000

$112=1000.000

$113=1000.000

$114=1000.000

$115=1000.000

$120=900.000

$121=750.000

$122=200.000

$123=200.000

$124=200.000

$125=200.000

$130=300.000

$131=300.000

$132=300.000

$133=300.000

$134=300.000

$135=300.000

Reset during homing fail suggests a power connector issue.

Parameters cannot be changed is a real bummer. If you cannot set $22=0, that is okay. Just do not Home with the rotary attached.

Had the machine been working until you connected the rotary?

I hadn’t used the machine yet. I set up the air assist and rotary on initial setup. When I re-connected the Y-axis motor I tried to do a flat surface, but this issue I’m having is preventing me from trying.

Ok, this means it was never properly set up. Have patience, we will get it going. At any point if fails any of the steps below, report what it did instead of the correct thing. Here is the hard part: Do nothing unless instructed (no experimenting).

First, make sure you have selected the position of the Home limit switches. The image is where you set it.

Confirm that it Homes properly at the switches.

Next, from the Home position, Jog +X and +Y and see if it moves away fron the Home corner.

If it does, Jog until about the center and then try -X and -Y travel.

If THAT works, then select Absolute Coords. Then draw a square or rectangle in the design grid and see if it will Frame the square.

If you get this far, get a coffee and take a 15 minute break, then report. :joy:

I unplugged the machine for about 30 seconds and plugged back in. Set origin to front left, but as soon as I turn the machine on there’s the error. From console:

Waiting for connection…
Port failed to open - already in use?
Waiting for connection…
error: GCode cannot be executed in lock or alarm state
[VER:1.3a.20211103:]
[OPT:PHSW,64,512]
Target buffer size found
[Board:BOARD V1.2]
[Machine:LOKLiK iEngrave]
[Software:v-2.0.18]
[Wavelength:450-460nm]
[Power:10W]
[Working Size:XSIZE=300.00:YSIZE=300.00]
,63,2048]
[MSG:Mode=STA:SSID=Lair:IP=10.0.0.91:MAC=F0-9E-9E-5A-01-A4]
[SN:LOKLIK_IENGRAVE_1-JKFS00180021162548A0917]
ok
[G54:0.000,0.000]
[G55:0.000,0.000]
[G56:0.000,0.000]
[G57:0.000,0.000]
[G58:0.000,0.000]
[G59:0.000,0.000]
[G28:0.000,0.000]
[G30:0.000,0.000]
[G92:0.000,0.000]
[TLO:0.000]
[PRB:0.000,0.000:0]
ok
<Alarm|MPos:0.000,0.000|FS:0,0|Pn:X|Heap:54680>
error: Before resetting, it was in an alarm state,please unlock first
<Alarm|MPos:0.000,0.000|FS:0,0|Pn:X|Heap:54680>

Reboot the PC and the laser.

When I open the software, it defaults to COM5 and I have to change it to COM9 (when the laser is powered on.


I’ll reboot my PC now and see what happens.

Restarted both devices…same errors.
When I connect to COM9 I get the following error:
error: GCode cannot be executed in lock or alarm state
When I hit home I get this error.
Before resetting, it was in an alarm state,please unlock first

Can you show us what is in the Console window? We need to know what alarm was reported.

ok

<Idle|MPos:-330.000,-330.000|FS:0,0|Pn:X|Ov:100,100,100|Heap:54460>

ALARM:6

Homing fail. Reset during active homing cycle.

<Alarm|MPos:-9.712,-9.712|FS:0,0|Pn:X|Heap:54460>

ok

Grbl 1.3a [‘$’ for help]

[MSG:Check limits]

[MSG:!!!Warning!!! --------Montion sensor trigger]

<Alarm|MPos:-9.712,-9.712|FS:0,0|Pn:X|Heap:54460>

Entered $ in console for help and got this (Not sure what I’m looking at):
$

[HLP:$$ $+ $# $S $L $G $I $N $x=val $Nx=line $J=line $SLP $C $X $H $F $E=err ~ ! ? ctrl-x]

ok

<Alarm|MPos:-9.712,-9.712|FS:0,0|Pn:X|WCO:0.000,0.000|Heap:54460>