ALARM 3 everytime now

LightBurn Hardware Compatibility Cameras
1

Never problem. I just installed the 120 degree camera and all calibrated good…(Ithink)
While burning a small image approx 2 inch square. Update overlay, open image and move to my wood work piece.
First 3 tries I get Alarm 3 about half way through the burn.
Close program and reboot PC, try again…reset again about 1/10 way into the burn.
USBCOM port speed is at 9600, reset it tp 115000, same problem, so I put COM port back to 9600 and got the last result.
Grbl 1.1h [’$’ for help]

Project loaded in 229 milliseconds
Starting stream
Stream completed in 0:00
Starting stream
Layer C00
Stream completed in 0:04
ok
ok
ALARM:3
ok
Grbl 1.1h [’$’ for help]
[MSG:’$H’|’X' to unlock] [MSG:Caution: Unlocked] ok Starting stream Layer C00 Stream completed in 1:41 Port opened, waiting for response. Grbl 1.1h ['’ for help]

Before camera, never experienced this, maybe not related either.
Now not sure hat to do.
Alex

Just did another same image run
Waiting for connection…
Waiting for connection…
Port opened, waiting for response.
Grbl 1.1h [’' for help] Waiting for connection... Waiting for connection... Port opened, waiting for response. Grbl 1.1h ['’ for help]
Project loaded in 229 milliseconds
Starting stream
Stream completed in 0:00
Starting stream
Layer C00
Stream completed in 0:04
ok
ok
ALARM:3
ok
Grbl 1.1h [’$’ for help]
[MSG:’$H’|’X' to unlock] [MSG:Caution: Unlocked] ok Starting stream Layer C00 Stream completed in 1:41 Port opened, waiting for response. Grbl 1.1h ['’ for help]
Waiting for connection…
Waiting for connection…
Port opened, waiting for response.
Grbl 1.1h [’' for help] Waiting for connection... Waiting for connection... Port opened, waiting for response. Waiting for connection... Waiting for connection... Port opened, waiting for response. Grbl 1.1h ['’ for help]
Waiting for connection…
Waiting for connection…
Port opened, waiting for response.
Grbl 1.1h [’' for help] Waiting for connection... Waiting for connection... Port opened, waiting for response. Grbl 1.1h ['’ for help]
Starting stream
Layer C00
Stream completed in 6:41
Port opened, waiting for response.
Grbl 1.1h [’$’ for help]

Stopped about same half way again and cant move anymore. Need to power down or disconnect usb whic restored connection.

2

I believe now it is a bad control board. Changed to a different board and no more long stationary 5 second burn on connect, disconnect and fail Alarm 3.
Keeping an eye on it to make sure the new (better) control board.

3

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