Description
Please note that the causes of a #904 error may vary. The issue might persist after following the steps below.
However, you are still able to collect useful information for the FLUX team to clarify the issue more effectively.
Step 0 - Use the checklist to follow up the steps and put the results on record
This list marks down all the tests you've done in the tutorial.
After the tests are done, please kindly save the list as a PDF document and send it to your reseller or FLUX team.
Click the link to have access to the #904 troubleshooting checklist: #904 Homing Failed - Checklist (Ador)
Step 1 - Remove the module and the material
Please remove all things(Including the module) in the work area before starting so nothing will affect the homing process.
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Step 1.1 - Manually check if the module can be moved smoothly
- Turn off the machine and remove the power cord.
- Manually move the module head to all 4 corners.
Refer to the next steps accordingly:
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Step 1.2 - Lubricate the rails
- Refer to the article - Lubricating.
- After the lubrication, go back to Step 1 and see if the module head can move smoothly.
Check the result accordingly:
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Step 2 - Check Whether the Rubber Foot Screw is Interfering
Observe the bottom of the top left corner of the machine. When moving the laser head upward, check if the screw of the rubber foot is hitting the X motor board.
If the screw is Interfering with the X motor board, please lose the screw, even unscrew it, and check the homing process.
Check the result accordingly:
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Step 3 - Exclude the possibility of firmware issues
The unsuccessful firmware installation might cause homing errors, and resetting to factory settings can eliminate the possibility of firmware issues effectively.
- First, reset to factory (Main Page > Machine > Settings > Reset to Factory > Yes)
- Then follow the steps in the link on How to update the machine firmware and ensure it is updated to the latest version.
- Try homing again once the update is completed.
Check the result accordingly:
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Step 4- Check the mainboard signals
There are 4 orange LED lights on the mainboard that present different parts of the machine.
Refer to the video on how to find the mainboard signals
Video
Check if the issue is resolved accordingly:
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Step 5- Check the limit switches
A limit switch is used to stop the laser head when it reaches the end.
The limit switch may be faulty, leading to homing issues, which will result in the laser head not stopping or stopping too early.
Please see the video below to check if your limit switch icons are reacting correctly when being pressed.
▵Pressed = icon closes
▵Not pressed = icon opens
X&Y limit switch checking
Check if the issue is resolved accordingly:
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Step 6 - Check if the AF module functions
Test the mainboard function by clicking the AF button.
Click the AF button to see if it functions well.
Check the result accordingly:
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Step 7 - See if the limit switches activate AUTOMATICALLY
Check if the cases in the videos below occur.
(The module head starts making loud noises and does not stop when moving to the top or the left corner.)
Video 1- Y Limit Fail
Video 2- X Limit fail
Check the result accordingly:
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Step 8- X-axis Levelness Adjustment
Follow the steps in the link below to check and adjust the X-axis leveling-
X-axis Levelness Adjustment
Check the result accordingly:
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Step 8.1 - Extend Y-Axis Limit Switch Contact Surface
The metal tab on the limit switch can wear out over time, affecting the sensitivity of the limit switch's activation.
As shown in the image below, adding a piece of foam or similar material to the tab can temporarily address the issue of the metal plate not making contact with the Y-axis limit switch.
Check the result accordingly：
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Step 9 - Check Whether the Cable is Interfering
Sometimes, if the cables are not organized properly, it might affect the triggering of the X-axis limit switch, resulting in a homing fail.
Check the result accordingly：
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Step 9.1 - Extend X-Axis Limit Switch Contact Surface
The metal tab on the limit switch can wear out over time, affecting the sensitivity of the limit switch's activation.
As shown in the image below, adding a piece of foam or similar material to the tab can temporarily address the issue of the metal plate not making contact with the X-axis limit switch.
Check the result accordingly：
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Step 10 - Contact Customer Service
- Please follow the instructions in the link below to properly report an issue to your local reseller or FLUX support. [Contact Customer Service]
- Ensure you've completed the checklist and saved it as a PDF file to share your actions.
*The collected information, such as photos or videos showing your machine's problem in this article, will be necessary to be shared with the reseller or FLUX Support.
#END
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