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Ultimaker Original Plus turns off/on while printing TPU

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Hallo guys,


my UMO+ has problems printing TPU. When I am printing TPU after few layers the printer turn off and an very quickly, like using the switch very fast.

After that the print is stopped, like it would be when you turn off and on the UMO+.


I dont know why this is happening? When I print PLA there is no issue. I also tried to print the same G-Code of the TPU with PLA and I have no problems. I also printed the G-Code for a PLA part with TPU and it doesn't work.


TPU settings: Nozzle 220 Bed 20 


Please help!


Thanks for any help



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It's the power supply most likely.  Or maybe a short circuit.  The power supply does this - shuts off for just a fraction of a second - if the printer is drawing too much power.


Do you specifically set the bed to 20C?  Or do you set the bed to 0C and it just ends up displaying 20C?  This is important.  Because if you specifically set the bed to 20C that could explain everything - try setting it to 0C instead.  The bed draws much more power at 20C than at higher temperatures and this could overload the power supply if you are powering everything (servos, nozzle, bed) at once.

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