Alarm 1 and Alarm 3 Issued while engraving

LightBurn Hardware Compatibility
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1

Hello all,

I have an Omtech K40+ and when i am engraving, the machine just stops. I believe it is in the middle of the design, but I would have to take a look to other projects.
Anyways. I get this errors. can anyone help me?

Y_LIMIT
ALARM:3
Reset while in motion. Grbl cannot guarantee position. Lost steps are likely. Re-homing is highly recommended.
On or near line 0:
Job halted
Stream completed in 5:49
Reset while in motion.
Grbl cannot guarantee position.
Lost steps are likely.
Re-homing is highly recommended.
ok
Grbl 1.1h [‘$’ for help]
omtech
[MSG:‘$H’|‘$X’ to unlock]
[MSG:Caution: Unlocked]
ok
Y_LIMIT
ALARM:1
Hard limit triggered. Machine position is likely lost due to sudden and immediate halt. Re-homing is highly recommended.
Hard limit triggered.
Machine position is likely lost due to sudden and immediate halt.
Re-homing is highly recommended.
Grbl 1.1h [‘$’ for help]
omtech
[MSG:‘$H’|‘$X’ to unlock]
[MSG:Caution: Unlocked]
ok
Y_LIMIT
ALARM:1
Hard limit triggered. Machine position is likely lost due to sudden and immediate halt. Re-homing is highly recommended.
Hard limit triggered.
Machine position is likely lost due to sudden and immediate halt.
Re-homing is highly recommended.
Grbl 1.1h [‘$’ for help]
omtech
[MSG:‘$H’|‘$X’ to unlock]
[MSG:Caution: Unlocked]
ok
Y_LIMIT
ALARM:1
Hard limit triggered. Machine position is likely lost due to sudden and immediate halt. Re-homing is highly recommended.
Hard limit triggered.
Machine position is likely lost due to sudden and immediate halt.
Re-homing is highly recommended.
Grbl 1.1h [‘$’ for help]
omtech
[MSG:‘$H’|‘$X’ to unlock]
[MSG:Caution: Unlocked]
ok
Y_LIMIT
ALARM:1
Hard limit triggered. Machine position is likely lost due to sudden and immediate halt. Re-homing is highly recommended.
Hard limit triggered.
Machine position is likely lost due to sudden and immediate halt.
Re-homing is highly recommended.
Grbl 1.1h [‘$’ for help]
omtech
[MSG:‘$H’|‘$X’ to unlock]
[MSG:Caution: Unlocked]
ok
Y_LIMIT
ALARM:1
Hard limit triggered. Machine position is likely lost due to sudden and immediate halt. Re-homing is highly recommended.
Hard limit triggered.
Machine position is likely lost due to sudden and immediate halt.
Re-homing is highly recommended.
Grbl 1.1h [‘$’ for help]
omtech
[MSG:‘$H’|‘$X’ to unlock]
[MSG:Caution: Unlocked]
ok
Y_LIMIT
ALARM:1
Hard limit triggered. Machine position is likely lost due to sudden and immediate halt. Re-homing is highly recommended.
Hard limit triggered.
Machine position is likely lost due to sudden and immediate halt.
Re-homing is highly recommended.
Grbl 1.1h [‘$’ for help]
omtech
[MSG:‘$H’|‘$X’ to unlock]
[MSG:Caution: Unlocked]
ok
Y_LIMIT
ALARM:1
Hard limit triggered. Machine position is likely lost due to sudden and immediate halt. Re-homing is highly recommended.
Hard limit triggered.
Machine position is likely lost due to sudden and immediate halt.
Re-homing is highly recommended.
Grbl 1.1h [‘$’ for help]
omtech
[MSG:‘$H’|‘$X’ to unlock]
[MSG:Caution: Unlocked]
ok
Y_LIMIT
ALARM:1
Hard limit triggered. Machine position is likely lost due to sudden and immediate halt. Re-homing is highly recommended.
Hard limit triggered.
Machine position is likely lost due to sudden and immediate halt.
Re-homing is highly recommended.
Grbl 1.1h [‘$’ for help]
omtech
[MSG:‘$H’|‘$X’ to unlock]
[MSG:Caution: Unlocked]
ok
Y_LIMIT
ALARM:1
Hard limit triggered. Machine position is likely lost due to sudden and immediate halt. Re-homing is highly recommended.
Hard limit triggered.
Machine position is likely lost due to sudden and immediate halt.
Re-homing is highly recommended.
Grbl 1.1h [‘$’ for help]
omtech
[MSG:‘$H’|‘$X’ to unlock]
[MSG:Caution: Unlocked]
ok

TIA

2

But where is the laser head on the table?

Given: It is a Yaxis limit switch issue.

  1. Intermittent switch
  2. Intermittent wiring
  3. You are actually hitting a switch and need to adjust the program.
3

the laser head is also in the middle of the work area, so it doesn’t touch any limits.

4

A Hard Limit means the controller thinks a switch closed. It is either shorted wiring or the controller board input is bad.

5

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