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Z Axis is frequently skipping many layers randomly only when operating Heated Bed at 105C for more than 3 hours
Due to a slight design flaw of a revision of the controller board it's possible that some printers will have a problem where excess current to the stepper drivers cause issues. What happens is that the stepper drivers overheat, the protection circuitry of the chip kicks in and shuts the driver down for a brief moment, during this moment there's a chance that the bed moves down unpredictably.
Thankfully this is usually easily fixed by simply lowering the current for the stepper motors. This is done on the printer via Maintenance -> Advanced -> Motion settings -> Current Z. The default value is 1300mA, try lowering this to 1200mA.
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DidierKlein 729
Look at this
Particularly this part:
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Yorkeyd 0
Thanks DidierKlein!
I will give that a try tonight
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