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I have been successfully using the Ender 5 Plus for a month now. But suddenly the printer wont go back to zero or "home" correctly. Whenever you press home or start a print it should go and hit right side, then top and finally go to zero. However right now it moves up directly from wherever it is place. What can I do to fix it? Any ideas?

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  • $\begingroup$ Hi, dr san. Can you list the flavor and version of firmware that you're using? $\endgroup$ – Davo Nov 20 '20 at 12:20
  • $\begingroup$ @Davo The firmware version is 1.70.2 BL. I haven't change anything in that sense since I bought it. $\endgroup$ – dr san Nov 21 '20 at 16:59
  • $\begingroup$ It might be a good idea to first find out whether the endstops still work. Hook up a computer trough USB and run Pronterface or another console/terminal and send M119 to find out if the X and Y endstops still work. However, this sounds as a problem with the BLTouch sensor. Recheck all the cables and connections. $\endgroup$ – 0scar Feb 15 at 8:46
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Is your BL touch flashing red, or is it solid red? Flashing red means that the bed is raised up too high, there needs to be enough clearance for the measurement probe to fully extend when you start it up.

Even if it is not flashing red, try moving the print head and bed manually:

  1. Remove your SD Card, unplug any computer hooked to the printer's USB cable

  2. Boot UP Printer

  3. Tap Settings

  4. Tap Move

  5. Move Z down at least 50 mm from print head

  6. Move Y so it is resting against the stop switch

  7. Move X so it is resting against the stop switch

  8. Turn it off and wait for a minute or so

  9. Turn it back on

  10. Tap Settings

  11. Tap Leveling - this will make it do the homing function

This should get you to the correct home position, but if you are still having problems, you need to re-level your printer manually and you may need to adjust the Z-offset.

The Z-offset tells tells the printer to Add or Subtract height on the Z-plane to get the nozzle close enough to the print bed that the extrusion sticks.

Let us know if this works for you, or if you found a different solution.

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