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    Ultimaker 2 (Ext

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  1. Hello, I'm from Germany so please forgive me my crappy English. Today I wanted to change the 5V hotend fan as I unfortunately noticed my UM2 shutting down. After a second it restarted but the display stays dark and there's no connection to PC possible anymore. The White LED Lights are still working. The PSU delivers 23V. The yellow LED indicator is on. Has anyone an idea or suggestion what to do or check? A new board is soooo expensive. 😞 Greetings from Germany
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