====== Y homing failed ======

{{  :tina2:089.png?direct&400  }}
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====== Confirm the issue in the Y direction ======

Please enter endstop troubleshooting.\\
1. Check the “endstop"\\
{{  :tina2:图片51.png?direct&800  }}
2.Press the Y endstop manually and observe if the "Off-On" status is displayed correctly. 
If it does not display normally, it indicates an issue with the Y direction.\\
{{  :tina2:090.png?direct&800  }}

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====== Replace both the Y endstop and the wire ======

1. Re-insert the plug to see if it works properly.\\
{{  :tina2:图片58.png?nolink&400  }}\\
2. Unplug the Y endstop wire on the motherboard.\\
{{  :tina2:图片59.png?nolink&800  }}\\
3. Cut off the black ties.\\
{{  :tina2:图片60.png?nolink&800  }}\\
4. Use a screwdriver to loosen the screws on the Y endstop and replace it.\\
{{  :tina2:图片61.png?nolink&800  }}
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====== If the platform does not move, check the Y motor and the mainboard ======

**Move the nozzle to the center, click on "Level bed".** If the platform does not move, 
it indicates a fault with either the Y motor wire or the mainboard. You need to diagnose whether 
the issue is with the Y motor wire or the mainboard, and then replace the faulty component.
{{ :tina2:图片84.png?direct&400 |}}
**To diagnose the issue:** \\
**1. Re-seat the motor wire to see if the issue is resolved.** \\
{{ :tina2:091.png?direct&800 |}}
**2. Swap the Y and Z motor wires.** \\
{{  :tina2:087.png?direct&800  }}**
3. Click “Move axis” and jog the Y axis:** 
{{  :tina2:088.png?direct&800  }}
①If the nozzle does not rise or fall, but you move the Z and find that the platform moves normally, then you need to replace the mainboard.\\
②If the nozzle rises or falls, but you move the Z and find that the platform does not move, then you need to replace the Y motor.