Hello, I noticed that if I leave the Chameleon plugged-in to wall power over night that the stepper motors are warm to the touch by morning. The printer is in a room that’s 60 degrees Fahrenheit and my electronics background tells me that the motors should not be getting warm unless they’re pulling current. Is this normal or is it possible I’ve tightened something too tightly?
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The selector is always powered to maintain it's locked position... But if the extruder motor is also warm, that indicates that it is in-between commands and is holding the filament. However, there is no harm... The motors are rated to 85C... Which is way hotter than normal "warm" temps.
If you think it's too high, you can turn the POTs on the motor controllers counter clockwise just a little. Normal settings are between 12 o'clock and 1 o'clock.
Bill