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#904 Homing Failed/Homing Issues/Not able to home

FLUX Support Team
  • Updated

Description

Please note that the causes of a #904 error may vary. The issue might persist after following the steps below. However, you can still collect helpful information to help the FLUX team clarify the issue more effectively.

Possible causes:

  1. The system fails (Re-update the firmware)
  2. The mainboard/MB/motherboard is malfunctioning.
  3. The limit switch is malfunctioning.
  4. The guide rails are rusted or damaged.
  5. The X-axis levelness is not horizontal.
  6. DriverIC is malfunctioning.
  7. The step motor is malfunctioning.

Step 1

  • Turn off the machine, unplug the power cord, and check if the laser head is physically stuck.

Determine your result and the next action to take:

  • It CANNOT be moved like the video above.  >> Go to Step 1.1
  • It CAN be moved like the video above >> Go to Step 2

Step 1.1

  • Please refer to the instructions in the link below to lubricate the rails.
    Lubricating
    Gemini_Generated_Image_1146l61146l61146.png
     
  • After lubricating, try moving the laser head again and see if it can move like in Step 1.

Determine your result and the next action to take:

  • Yes, it can be moved like the video in Step 1.  >> Problem solved

Step 2

Re-ppdate the Firmware to a stable version. Please refer to the link below.
beamo II - Firmware Update Guide

Determine your result and the next action to take:

  • Yes, it homes successfully after the steps above >> Problem solved.
  • No, the homing issue persists after the steps above >> Go to Step 3

Step 3

Manually check if the X-axis and Y-axis limit switches are working.

Determine your result and the next action to take:

  • Yes, both switches are working as in the video >> Step 4
  • No, one or both switches are not working >> Record a video and contact us.
    • Possible Cause:
      • Mainboard needs to be replaced.
      • Limit Swtich(s) needs to be replaced. (X-axis Board)
      • 28-Pin able has to be replaced. (Less likely.)
  • When I use hand and paper on the switches, they are working, but when I use the laser head, one or both don't work >> Record a video and contact us.
    • Unknown Issue

Step 4

Check the videos below and determine if your machine has a similar behavior.
In the bad examples below, there are strange grinding sounds, a laser head going in a reversed direction, the laser head stops before hitting the end...etc.

 

Determine your result and the next action to take:

  • No, my machine DOES NOT have a similar behavior as in the videos above >> Step 5
  • Yes, my machine has similar behavior as in the videos above  >> Record a video and contact us
    • Possible Cause:
      • DriverIC(s) need to be replaced. 
      • Mainboard needs to be replaced.
      • X-axis motor needs to be replaced.
      • Y-axis motor needs to be replaced.
      • Limit Swtich(s) needs to be replaced.

Step 5

Check the levelness of the X-axis gantry and the tightness of the coupler.
Please refer to the link below to check and adjust if necessary.

[5-14 X-axis Levelness Adjustment]

 

Determine your result and the next action to take:

  • My machine's X-axis is already leveled >> Step 6
  • I've adjusted my machine's X-axis and it is now leveled >> Step 6

Step 6

  • Remove the front metal cover. (T8 torx screw * 10 pcs.)

  • Check the "6" LEDs on the mainboard if they are solid on without blinking or being off.

Determine your result and the next action to take:

  • The 6 LEDs are all solid on without blinking >> Record a video showing the issue >> Report to us
    • Unknown Issue 
  • One or more LEDs is blinking >> Record a video showing the issue >> Report to us
    • Possible cause:
      • Mainboard needs to be replaced
      • Laser power supply needs to be replaced
      • DC cable set need to be replaced
  • One or more LEDs is off >> Record a video showing the issue >> Report to us
    • Possible cause:
      • Mainboard needs to be replaced
      • Laser power supply needs to be replaced
      • DC cable set need to be replaced

Report to the local reseller or FLUX Support

  • Please record a video or take photos to show your issue and send them to us.
    (Video Example: Homing Video Example)
  • Please follow the instructions in the link below to properly report an issue to your local reseller or FLUX support. [Contact Customer Service]

*The collected information such as photos or videos that show the problem of your machine in this article will be necessary to be shared with the reseller or FLUX Support.

 

 

#END.

 

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