Hi guys, just bought a qx95s (frsky) and i’m having a couple of issues i can’t work out how to solve.
I’ve already flashed latest firmware and switched props around as it was completely unflyable out the box. It now fly’s pretty nice (still needs pid tuning).
First of all it’s got some pretty heavy voltage sag on the batteries, i’m using 600mah 1s lipo 35c turnigys (only 2g heavier than the stock LiHv 450mah) which should provide more than enough current for the little thing. I have Battery warning set pretty low at 3.1v at the moment just so i get “some” flight time and this is triggered after around 2-3mins flight (same with stock battery). As soon as the motors stop it jumps back to 3.6v and by the time they are on the charger they are at 3.8/3.9v so something is pulling a fair bit of current (or is this normal for this quad?)
The second more problematic issue is the quad keeps sensing a 2s lipo is fitted (which is not) completely at random. When it decides to do this and i connect to pc all voltages shown in betaflight are correct for the 1s lipo that is actually fitted, apart from it says “2s” and the low V alarm goes off continuously. After several conections/disconnections of the battery it will eventually show 1s again and the quad is usable again!
Any ideas? I’m starting to think the voltage sensing circuit has a short or is malfunctioning in some way? This is a brand new quad with less than 10 flights on it so i’m kind of puzzled.
Thanks in advance