Cooling off in Layed back mode

[jumpmobile 0]

Hey

I want to play around with the steppermotor-current again. In the UM-Wiki it is said that one should not tune the potentiometer while running in Laid-back mode without cooling.

Does that mean I...:

- ...should not print anything while tuning the potentiometer (which would be crazy)

- ...should not turn on the printer while the fan is not attached (that would make it impossible to directly measure the reference-voltage on the steppers. i would have to take them out and measure one after the other)

- ...can turn on the electronics but make sure that neither the fan nor anything else is moving (as this may lead to some part of the electronics heating up and failing due to lack of cooling)

Link to the above mentioned page:

http://wiki.ultimaker.com/Electronics_build_guide

Greetings Jump

 

[gr5 2,210]

It simply means you need to keep the stepper controllers cool. So if you remove the cover you need a powerful fan and you need to keep checking the temperatures often so they don't melt.

Maybe a desk fan.

 

[gr5 2,210]

You also need to keep IC1 cool (the 12V regulator).