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    Duet Wifi + Duex5 Overvoltage Damage

    Duet Hardware and wiring
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    • Profec
      Profec last edited by Profec

      I have cleverly put 24V into the external +5V supply on my Duet 2 wifi 1.04c while also connected to my duex5.

      U11 has dramatically popped, I replaced the Duet Wifi with another I had and it also appears to have killed my SD card which no longer works and also the Duex5 which has all the heater LEDS stuck on.

      I was going to replace U11 and I will probably replace U2 at the same time since it says 6V max even though I cant see any physical damage.

      I was really hoping it just took out U11 & U2 but since the SD card is dead maybe it got onto the 3.3V supply too.

      Is it likely the damage stopped on the 5V supply or am I wasting my time trying to repair it? I imagine if it jumped onto the 3.3V it wouldn't be worth trying to fix?.

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