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LCD displays the question marks

Serg1958Serg1958
in Repetier-Firmware
Good afternoon.
This configuration: Repetier-Firmware V1.02 Mega 2560 + RAMPS1.4 + LCD12864 + SD. The coordinates x, y, z change every second to the question marks (?). What is wrong?

Thank you.




Comments

  • RepetierRepetier
    You did not home. Until you homed this indicates that real position is unknown and should not be trusted.
  • Serg1958Serg1958
    Thank you.
  • Tinchus2009Tinchus2009
    I see this too. But I homed the Z... lcd shows 0, but then when steppers are deactivated the ??? returns changeing from ??? to 0.00 this is normal?

  • RAyWBRAyWB
    you have to home ALL Axis, not only Z
  • RepetierRepetier
    When you disable motors position can change, so again position is untrusted.
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