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One loud beep and a blank LCD screen  

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xoN
 xoN
(@xon)
Active Member
One loud beep and a blank LCD screen

Hello.

Something happened to my printer: after printing is finished, i cannot access the control menu and unload the filament from the extruder.

I pressed the reset button, and after turning on the 3D printer, one loud beep and a blank LCD screen appeared.
No reaction to pressing the control knob.

I cannot connect to the printer via Octopi (raspberry pi zero w + octoprint) or control the printer through its control panel.

What I was trying to do:
1) Reflash firmware;
2) Restore factory settings to shipping prep;
3) Disconnect everything except power cables and two cables from the LCD display;
4) All three fuses (5-5-15) are checked - they are all alive.

Current firmware version 3.5.1.
I can upload the firmware update log if necessary. But there are no error messages.

But I still get one loud beep and a blank LCD screen after confirming the Z-axis calibration function (it remains after resetting to factory settings).

These loud signals are similar to diagnostic codes. What do these signals mean?

Publié : 20/01/2019 5:45 am
xoN
 xoN
(@xon)
Active Member
Topic starter answered:
Re: One loud beep and a blank LCD screen

New simptome: Y and X motors trying to reach Home position but didn't stop when edge reached and trying to breach the wall. They moving very-y-y slowly.

Not sure why, maybe it appeared after i press Home button at Pronterface or controller board trying to execute the Z-axis calibration function.
Didn't notice that before.

Publié : 21/01/2019 7:14 am
thrawn86
(@thrawn86)
Honorable Member
Re: One loud beep and a blank LCD screen

thats new to me as well, you'll definitely want to talk to support

Publié : 21/01/2019 5:29 pm
xoN
 xoN
(@xon)
Active Member
Topic starter answered:
Re: One loud beep and a blank LCD screen

The problem was solved by completely resetting the printer data.

Thanks for the help.

Publié : 22/01/2019 6:24 am
zoltanf
(@zoltanf)
Eminent Member
Re: One loud beep and a blank LCD screen


The problem was solved by completely resetting the printer data.

Can you write how that is done?

Publié : 22/01/2019 9:06 am
xoN
 xoN
(@xon)
Active Member
Topic starter answered:
Re: One loud beep and a blank LCD screen


Can you write how that is done?

"All data"
https://help.prusa3d.com/article/SYvbQ66IXF-factory-reset

Publié : 23/02/2019 8:10 am
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