Newbie here… I can executes moves and I load an SVG. It try to cut the design and get an error. The laser doesnt turn on and has never worked yet… I’m about to get a big hammer out 
OLF 170.
[MSG: Flame detector active,Ambient infrared value:0
I’ve looked at various poblems posted and also entered console command $261=0 However, the laser does fire and the error seems to stop the whole thing. TIA
Did you get answer i just ran into same problem
Still not working
Waiting for connection…
ok
[ORIGIN: China]
[PRODUCER: ORTUR]
[AUTHOR: ORTUR]
[MODEL: Ortur Laser Master 2 Pro]
[OLF: 170]
[DATE:19:08:08 - Jul 12 2021]
[VER:1.1f(ESP32).20210403:]
[OPT:VNMZHSLW,15,1024,3]
Target buffer size found
ok
Homing
ok
File imported in 2 milliseconds
Starting stream
Layer C00
ALARM:2
G-code motion target exceeds machine travel. Machine position safely retained. Alarm may be unlocked. (Right-click the ‘Devices’ button to reset the connection)
On or near line 4:
Job halted
Stream completed in 0:00
[MSG:Reset to continue]
ok
Ortur Laser Master 2 Pro Ready!
OLF 170.
[MSG: Flame detector active,Ambient infrared value:0]
Grbl 1.1f [’$’ for help]
[MSG:’$H’|’$X’ to unlock]
[MSG:Caution: Unlocked]
ok
Ortur tech support provided firmware v1.72 which fixed my issues
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