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Hotend pid makes motors pulsate

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T3P3Tony administrators @johnjohn1990
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@johnjohn1990 how quickly does the MCU temperature rise from cold when you turn on? Also sorry to be a pain but can you try one of the boards with nothing plugged in and powered only by USB to see if the same temperature rise is observed?
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dc42 administrators
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You said that a light on the printer is flashing or pulsating when the PID kicks in. What light is that, and how is it powered?
Duet WiFi hardware designer and firmware engineer
Please do not ask me for Duet support via PM or email, use the forum
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