Changed to DJI O3 Air Unit From Vista but It Won't Power On? Backwards Plug! - FPV Questions

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[@GarethDix]

Had this with a babyhawk O3… soldering was ok but for some reason EMAX opted to use a smaller plug (looks like a vista) than the one that comes with the O3 and it comes loose ALL the damn time… it’s at least got the right pin out just doesn’t fit properly

[@leonardothillet6423]

You should always check how the wiring to your flight controller is, some flight controllers come with their own o3 air unit wiring, and if you plug the original wire that comes with O3 Air unit to the FC you could fry the air unit... and like Bardwell said, you could rewire the plug, but you have to be extra careful not to brake the clips on the plug, I use an exacto knife to pull them up and pull the wires out... worst case scenario, solder to the flight controller, but either way, you need to know what you're doing...

[@jhendyy]

This happened to me before but i ended up frying my o3 unit when i powered it on because i took that same air unit and tried to use it in other quads and it never powered again. Im genuinely surprised this hasn't happened to way more people honestly cause it easy to overlook.

[@TorontoFPV]

happened to me too!

[@Ice-FaceMedia]

Its all wires, pin not pushed in, or wrong wiring, repined needed ,or bad 03,

[@dta6]

Does anyone know if this is the same problem with the Speedy V3 FC?