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Loadcell measure failed #17526 (XL)

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Relevant for:
XL
Last updated 2 years ago
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What happened?

The Original Prusa XL is equipped with a loadcell, to detect that the nozzle is close enough to the steel sheet for printing, and to avoid damage that would be caused by the nozzle digging into the steel sheet. 

The loadcell measures the amount of force that the nozzle applies to the steel sheet. In case the measured value is abnormally high, or undefined, the printer will show the message "Loadcell measured an infinite or undefined load value."

Error name: Loadcell measure failed

Error code: #17526

How to fix it?

A visual inspection

Before you start, make sure:

  • the filament is unloaded from the extruder
  • the printer is turned OFF and unplugged from electricity
  • the hotend and the heatbed are cooled down to ambient temperature
Since we will handle tools and work with the extruder high above the heatbed, it is necessary to protect it.
Place an empty Prusament cardboard box approximately to the front center part of the heated. Move the X-axis all the way to the front side of the printer, and move the extruder approximately to the center of the X-axis.
 

Open the dwarf-cover-door to access the Dwarf board. The loadcell connector is on the bottom left, check it for any loose cable, disconnected cable, or visible damage. 

Re-calibrate the loadcell

Do not manipulate or touch the printer unless the instructions on the printer screen prompt you to do so.

Navigate to LCD Menu - Control - Calibration and test - Loadcell test to restart the loadcell calibration.

During the test, you will be asked to tap the nozzle at a specific time, and a progress bar on top of the screen will be filled. If the progress bar is not filled or the printer shows any errors, please contact our customer support.

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