Ortur Laser Master 3 making horrible noise when homing

I’ve just turned it on and I use Lightburn. Any suggestions what to do or look for?
This is my console log:

Waiting for connection…

Port failed to open - already in use?

[MSG:25:USB SERIAL STREAM CONNECTED]

Ortur Laser Master 3 Ready!

OLF:205_RC16.

OLH:OLM_ESP_PRO_V2.4.

OLM:GENERAL.

GrblHAL 1.1f [‘$’ or ‘$HELP’ for help]

[MSG:20:Power Supplied]

ALARM:11

[MSG:13:Homing cycle required]

<Home|MPos:0.000,0.000,0.000|Bf:71,32749|FS:0,0|VA:24148,54|Ov:100,100,100|A:SFM>

[MSG:WIFI AP READY]

[MSG:238:Warning: Could not communicate with stepper driver!]

Port failed to open - already in use?

[MSG:25:USB SERIAL STREAM CONNECTED]

Ortur Laser Master 3 Ready!

OLF:205_RC16.

OLH:OLM_ESP_PRO_V2.4.

OLM:GENERAL.

GrblHAL 1.1f [‘$’ or ‘$HELP’ for help]

ALARM:9

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

Ortur Laser Master 3 Ready!

OLF:205_RC16.

OLH:OLM_ESP_PRO_V2.4.

OLM:GENERAL.

GrblHAL 1.1f [‘$’ or ‘$HELP’ for help]

[MSG:‘$H’|‘$X’ to unlock]

error:9

G-code locked out during alarm or jog state.

[MSG:3:Caution: Unlocked]

Homing

ok

<Home|MPos:-600.000,-600.000,0.000|Bf:71,32767|FS:0,0|VA:24162,36|Ov:100,100,100|A:SFM>

Port failed to open - already in use?

Sounds like a hardware problem. Have you used this before or is this the first time? Check that the moving parts are moving freely and that the gantry is aligned. Perhaps you had belts slip or something and they need tightened.

This is my first time starting it. It is level and this is where my tension is set currently for the belts…

That belt looks loose at a glance (from here).
What does the Tension Reference Line do?
Got an owners manual with that neato machine?

I will check it…

That’s way loose, like it was never adjusted upon assembly. Fix it and the other side. I found the little paper instruction wasn’t always clear (its tiny). The manual on the memory card or their website is clearer (larger and I think there was better colour or shading, I found it after I was done.). There’s also a couple videos on YouTube where people take you through the full assembly.

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Okay then. I tightened the the belts and when I turned the Ortur back on I got this:
Waiting for connection…

[ORIGIN: China]

[PRODUCER: ORTUR]

[AUTHOR: LEADIFFER]

[MODEL: Ortur Laser Master 3]

[OLF: 205_RC16]

[OLH:OLM_ESP_PRO_V2.4]

[OLM:GENERAL]

[DATE:20220713]

[SN: DAC2A7351F71D0DE4DA603BC801D3EA9]

[VER:1.1f.20220325:]

[OPT:VNZHS,71,32767,3,0]

Target buffer size found

[NEWOPT:ENUMS,RT+,HOME,NOPROBE,TC,SED,WIFI,FTP,SD,YM,GT]

[FIRMWARE:grblHAL]

[NVS STORAGE:*FLASH]

[DRIVER:ESP32-S2]

[DRIVER VERSION:220327]

[DRIVER OPTIONS:v4.4.1-dirty]

[BOARD:Ortur Laser Master 3]

[WIFI MAC:84:F7:03:F8:69:0E]

[IP:192.168.5.1]

[PLUGIN:Power Detecter v1.0]

[PLUGIN:Power Control v1.0]

[PLUGIN:gyroscope sensor v1.0]

[PLUGIN:Trinamic v0.09]

[PLUGIN:SDCARD v1.05]

[PLUGIN:ESP32 WebUI v0.03]

[PLUGIN:GADGET v1.00]

ok

Homing

error:8

Grbl ‘$’ command cannot be used unless Grbl is IDLE. Ensures smooth operation during a job.

[MSG:25:USB SERIAL STREAM CONNECTED]

Ortur Laser Master 3 Ready!

OLF:205_RC16.

OLH:OLM_ESP_PRO_V2.4.

OLM:GENERAL.

GrblHAL 1.1f [‘$’ or ‘$HELP’ for help]

Port failed to open - already in use?

[MSG:25:USB SERIAL STREAM CONNECTED]

Ortur Laser Master 3 Ready!

OLF:205_RC16.

OLH:OLM_ESP_PRO_V2.4.

OLM:GENERAL.

GrblHAL 1.1f [‘$’ or ‘$HELP’ for help]

[ORIGIN: China]

[PRODUCER: ORTUR]

[AUTHOR: LEADIFFER]

[MODEL: Ortur Laser Master 3]

[OLF: 205_RC16]

[OLH:OLM_ESP_PRO_V2.4]

[OLM:GENERAL]

[DATE:20220713]

[SN: DAC2A7351F71D0DE4DA603BC801D3EA9]

[VER:1.1f.20220325:]

[OPT:VNZHS,71,32767,3,0]

Target buffer size found

[NEWOPT:ENUMS,RT+,HOME,NOPROBE,TC,SED,WIFI,FTP,SD,YM,GT]

[FIRMWARE:grblHAL]

[NVS STORAGE:*FLASH]

[DRIVER:ESP32-S2]

[DRIVER VERSION:220327]

[DRIVER OPTIONS:v4.4.1-dirty]

[BOARD:Ortur Laser Master 3]

[WIFI MAC:84:F7:03:F8:69:0E]

[IP:192.168.5.1]

[PLUGIN:Power Detecter v1.0]

[PLUGIN:Power Control v1.0]

[PLUGIN:gyroscope sensor v1.0]

[PLUGIN:Trinamic v0.09]

[PLUGIN:SDCARD v1.05]

[PLUGIN:ESP32 WebUI v0.03]

[PLUGIN:GADGET v1.00]

ok

Homing

error:8

Grbl ‘$’ command cannot be used unless Grbl is IDLE. Ensures smooth operation during a job.

Port failed to open - already in use?

[MSG:25:USB SERIAL STREAM CONNECTED]

Ortur Laser Master 3 Ready!

OLF:205_RC16.

OLH:OLM_ESP_PRO_V2.4.

OLM:GENERAL.

GrblHAL 1.1f [‘$’ or ‘$HELP’ for help]

[ORIGIN: China]

[PRODUCER: ORTUR]

[AUTHOR: LEADIFFER]

[MODEL: Ortur Laser Master 3]

[OLF: 205_RC16]

[OLH:OLM_ESP_PRO_V2.4]

[OLM:GENERAL]

[DATE:20220713]

[SN: DAC2A7351F71D0DE4DA603BC801D3EA9]

[VER:1.1f.20220325:]

[OPT:VNZHS,71,32767,3,0]

Target buffer size found

[NEWOPT:ENUMS,RT+,HOME,NOPROBE,TC,SED,WIFI,FTP,SD,YM,GT]

[FIRMWARE:grblHAL]

[NVS STORAGE:*FLASH]

[DRIVER:ESP32-S2]

[DRIVER VERSION:220327]

[DRIVER OPTIONS:v4.4.1-dirty]

[BOARD:Ortur Laser Master 3]

[WIFI MAC:84:F7:03:F8:69:0E]

[IP:192.168.5.1]

[PLUGIN:Power Detecter v1.0]

[PLUGIN:Power Control v1.0]

[PLUGIN:gyroscope sensor v1.0]

[PLUGIN:Trinamic v0.09]

[PLUGIN:SDCARD v1.05]

[PLUGIN:ESP32 WebUI v0.03]

[PLUGIN:GADGET v1.00]

ok

Homing

error:8

Grbl ‘$’ command cannot be used unless Grbl is IDLE. Ensures smooth operation during a job.

Port failed to open - already in use?

[MSG:25:USB SERIAL STREAM CONNECTED]

Ortur Laser Master 3 Ready!

OLF:205_RC16.

OLH:OLM_ESP_PRO_V2.4.

OLM:GENERAL.

GrblHAL 1.1f [‘$’ or ‘$HELP’ for help]

[ORIGIN: China]

[PRODUCER: ORTUR]

[AUTHOR: LEADIFFER]

[MODEL: Ortur Laser Master 3]

[OLF: 205_RC16]

[OLH:OLM_ESP_PRO_V2.4]

[OLM:GENERAL]

[DATE:20220713]

[SN: DAC2A7351F71D0DE4DA603BC801D3EA9]

[VER:1.1f.20220325:]

[OPT:VNZHS,71,32767,3,0]

Target buffer size found

[NEWOPT:ENUMS,RT+,HOME,NOPROBE,TC,SED,WIFI,FTP,SD,YM,GT]

[FIRMWARE:grblHAL]

[NVS STORAGE:*FLASH]

[DRIVER:ESP32-S2]

[DRIVER VERSION:220327]

[DRIVER OPTIONS:v4.4.1-dirty]

[BOARD:Ortur Laser Master 3]

[WIFI MAC:84:F7:03:F8:69:0E]

[IP:192.168.5.1]

[PLUGIN:Power Detecter v1.0]

[PLUGIN:Power Control v1.0]

[PLUGIN:gyroscope sensor v1.0]

[PLUGIN:Trinamic v0.09]

[PLUGIN:SDCARD v1.05]

[PLUGIN:ESP32 WebUI v0.03]

[PLUGIN:GADGET v1.00]

ok

Homing

error:8

Grbl ‘$’ command cannot be used unless Grbl is IDLE. Ensures smooth operation during a job.

The updated firmware may address this. They’re up to RC29.
Please Follow the instructions offered by Gil @OrturTech.
He’s the manufacturer’s rep on the forum. He may offer better advice.

(Ortur LM3 WiFi access - #13 by OrturTech)

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