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Thread: Anet A8 auto Home not working
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11-23-2019, 08:10 PM #1
- Join Date
- Nov 2019
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- 1
Anet A8 auto Home not working
I am using the most recent version of marlin, which I installed onto my Anet A8 printer. For some reason the auto home is no longer working on the Z axis. When I use the auto home function the printer homes the X and Y axis, then the Z moves up but not come back down. I have reinstalled Marlin (the same version as the one I had installed before) and still the problem persists. This is not an error with the firmware as the printer was working fine even after the first installation of marlin. I have also tried just unplugging the Z axis home switch, which did not work either.
Please give me any suggestions. Thank you.
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11-24-2019, 02:52 PM #2
When flashing new firmware you need to send code to read the firmware and store the firmware configuration into memory.
To do this send
M502 - Factory Reset
// If you need a different Z-Offset you can enter it here
// M851 - XYZ Probe Offset
M500 - Save Settings
I do this from Cura 15.04.6 in terminal mode
This can also be done from LCD
Load Settings
// If you need a different Z-Offset you can enter it here
// M851 - XYZ Probe Offset
Store SettingsLast edited by Roberts_Clif; 11-24-2019 at 02:59 PM.
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09-04-2020, 03:55 AM #3
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- Sep 2020
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- 3
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09-04-2020, 11:37 AM #4
the bit that confuses me is the z-axis going up to home.
Mine homes at the bottom of the gantry travel.
Could it be that you have 'home to z max' or z+ configured in the firmware and not home to 'z min' or 'z-'
It's definitely going the wrong way to home.
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09-04-2020, 07:49 PM #5
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- Sep 2020
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- 3
Strange thing is everything was working fine. I used it for 2 years.
Then suddenly this happened.
I uploaded a short clip of the autohome for reference.
https://www.youtube.com/watch?v=eMk9rw-ZGfA
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09-07-2020, 10:45 PM #6
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- Sep 2020
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- 3
Hi, I did a quick check and found out through serial commands that Z limit is always triggered. Search net n found similar cases and solution involved doing some reflow fix for the component on board. Decided instead that it is time to upgrade my board.
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10-28-2024, 09:08 AM in Tips, Tricks and Tech Help