No response from laser on Lightburn start after upgrade

Hi, I just upgraded to latest lightburn, on restart am getting the following message…
Waiting for connection…



[MODEL: Ortur Laser Master 2]

[OLF: 142]

[DATE:18:41:30 - Dec 15 2021]



Target buffer size found




Homing fail. Could not find limit switch within search distance. Defined as 1.5 * max_travel on search and 5 * pulloff on locate phases.


[MSG:No Power Supply]

Ortur Laser Master 2 Ready!

OLF 142.

Grbl 1.1h [’$’ for help]

[MSG:’$H’|’$X’ to unlock]

[MSG:Caution: Unlocked]


I was engraving just before the upgrade, please assist to troubleshoot. Thanks.

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This indicates you do not have power to the laser. Is the laser plugged in? Are you getting power to the outlet? Else possibly a bad power supply.

…after a while of fiddling, decided to unplug everything and start over. Am sure that chased the gremlins, am back online. Thank you for the response.

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