EN CN
did I burn it ?
  • seboldsg
    Hello.
    I made a mistake and I have connected RC roll and FC roll to my "radiolink" receiver to "minus" (gnd) port instead of "signal" port.. after that I tried to power it on 4s battery and nothing happened. Is it possible I have burned it out ?
    I have unplug everything.. so I have just a board on my desk and even after plugging usb cable I dont see and LED blinking.. just no reaction..
    How can I fix it ? Is it possible ?
  • Garug
    Your connection description is not clear. Anyway, if just connecting to USB does not power it and you can not connect to it via GUI, likely something broken, maybe only 5 V regulator, maybe more.
  • seboldsg
    no power when connecting usb or battery to it. which one is a 5v regulator ? any way to repleace it or its too small to solder by myself ?
  • Garug
    Yes, if you have to ask, and first you should trouble shoot to isolate that the problem is the regulator.
  • manuelx10
    Hi, i have a similar problem. When connected to USB it works but when connected to battery it does not turn on. I have a 32-bit Extended board with encoders. Please let me know if there is a way to check via the debug tab in the windows program. Thanks!
  • alexmosalexmos
    Hello,
    If LEDs do not light up on powering on, it can have 3 reasons:

    1. 5V regulator is burned. In this case, connecting USB cable will make it working. Solution: Replace regulator and check further.
    2. 3.3V regulator is burned. In this case, it will present +5V but no +3.3V on the corresponding port of the board. Solution: replace regulator and check further.
    3. MCU died. In this case, +5V and +3.3V should present on corresponsing ports. solution: replace the MCU and flash the "recovery" firmware as described in the User Manual.
  • stephanietorres
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