My Ortur Laser Stops burning

I am getting the code Luminosity too high
I’ve been running my laser for 2 months with no problem and today I start a job and the laser continues to move but with no beam. Then I restart it and it won’t do anything, not even a frame up! I don’t understand the problem. I’ve cleaned the laser head, wiped everything down, and blown any dust out (which I do regularly). Any help appreciated! Thanks!

presuming you have not changed anything in settings, this happened suddenly? can you try with LaserGRBL to see if there is an hardware or software problem? If with LaserGRBL works there is something you have changed in LB.

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now im getting this code G-code locked out during alarm or jog state

have you done what i told before? try to connect you machine with laserGRBL and try to engrave something

which g-code?

Ortur Laser Master 2 Pro S2 Ready!

OLF 183.

[MSG: Flame detector Inactive. Luminosity too high]

Grbl 1.1f [’$’ for help]

[MSG:’$H’|’$X’ to unlock]

error:9

G-code locked out during alarm or jog state.

[MSG:Caution: Unlocked]

ok

Ortur Laser Master 2 Pro S2 Ready!

OLF 183.

[MSG: Flame detector Inactive. Luminosity too high]

Grbl 1.1f [’$’ for help]

Starting stream

Layer Cut Pass 1 of 3

Layer Cut Pass 2 of 3

Layer Cut Pass 3 of 3

Layer Cut Pass 1 of 3

Layer Cut Pass 2 of 3

Layer Cut Pass 3 of 3

Layer Cut Pass 1 of 3

Layer Cut Pass 2 of 3

Layer Cut Pass 3 of 3

[SC7A20:(235) Shock and Movement detected! Check TroubleShooting Section in User Manual.]

Ortur Laser Master 2 Pro S2 Ready!

OLF 183.

[MSG: Flame detector Inactive. Luminosity too high]

Grbl 1.1f [’$’ for help]

[MSG:’$H’|’$X’ to unlock]

Connection lost

ok it’s time to call @OrturTech

Do you have a number?

[SC7A20:(235) Shock and Movement detected! Check TroubleShooting Section in User Manual.]

Ortur Laser Master 2 Pro S2 Ready!

OLF 183.

[MSG: Flame detector Inactive. Luminosity too high]

Grbl 1.1f [’$’ for help]

[MSG:’$H’|’$X’ to unlock]

Connection lost

You may be dealing with an overly sensitive shock sensor. I suggest you upgrade to the latest firmware as Ortur has tuned for this:
Ortur – Firmware Repository – Ortur

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This machine needs a firmware update
However as a temporary fix try
in console window where it says
“type command here”
$262=750
press enter
That should loosen the sensor sensitivity some

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How do I install firmware when my laser isn’t directly connected to my computer? like it’s connected in lightburn but if i try to pull up laser only I don’t see it anywhere!

I have Windows 11 does this have anything to do with it?

Can you elaborate on this? I don’t follow where you’re looking or how you’re pulling up the laser.

Are you following the firmware upgrade instructions from the page? The instructions should be very thorough. It does not involve LightBurn at all, only File Explorer on Windows.

Not sure if this is a separate issue from above but you must connect your laser to your computer directly by USB for this to work.

This shouldn’t be a factor in being able to upgrade.

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I had this problem too, just adding what worked for me, in case it helps anyone else struggling with the same.

I had to change the $262 value to change the G-shock threshold.

I ended up disabling mine entirely by setting $262=0. This means I will not get an alarm if the laser cutter falls, but I never leave it unattended while in use, so this is fine for me, but please take the time to consider this as you are disabling a safety feature. Please note, too, this fix only works for firmware 1.78 (or, presumably, later), so you might need to update your firmware first.
If you wish to disable your sensor entirely, go to the console window in LightBurn (while you are connected to your Ortur) and type $262=0 and hit enter.

If you’re having trouble with this value ‘sticking’ (for example you get this error again after re-starting/resetting your machine, or after changing firmware), you can also add this command to the start GCode for your laser (Edit>Device Settings>GCode>type it into the ‘StartGCode’ box>Hit OK). This will mean that it will turn off the sensor before every job that you run, so it’s sort of a backup. Side note, but it’s also handy to add $H to this box too, to home your machine before each cut, in case you haven’t got it in there already.

You also don’t have to entirely disable the shock sensor, you can just change the threshold value, if you wish (this should work in earlier versions of the firmware, too). You can check the current threshold value by typing $$ into the console in LightBurn (which will give you a list of all current values for all settings for your connected machine). From there you can set it to a different value by typing $262=[number] (e.g $262=500 to set it to 500).

Here’s a list of all the commands for ortur and their default values (I had a hard time finding these, so I’m posting it here in case it’s handy for others!).

Hope this helps someone else!

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