Red light in flight

[JD.]

Hi folks
Has anyone experienced getting a red light when flying a little aggressive. Basically what I noticed was when I give the FC30 full throttle with full forward movement (or any direction) a red light popped on them as I backed off on the controls it went back to green. It did this on all 4 fully charged lipos I have ?
It had no flight issues, just a red light when giving it some.
Cheers
John

 

[Mark The Droner]

You mean an FC40 right? Sounds to me like it's trying to tell you to take it easy because you're maxing out the battery draw. But I'm just guessing since I don't have an FC40.

 

[JD.]

Yeah FC40
I thought same too, just wondering if anyone experienced it

 

[PTCX]

As Marknmd said but also if your batteries are on the older side it could be a sign they are starting to lose capacity to handle the current draw.
Keep a close eye on the flight times and don't fly too far away late in a flight as a sudden loss of power could be imminent.
I say this as I have had an experience where a battery dropped flight time by only a minute or so for a few flights and the LED flashed red when I used full power and then after being fully charged a flight ended suddenly 4 or 5 minutes early and it was a hard seach through acres of meter deep grass looking for my Phantom.

 

[JD.]

Cheers for that.
Yeah I don't know how old these lipos are as I bought the quad secondhand.
Tine to invest in some multistar 4000 I think.

 

[varangian]

I've noticed a momentary red light while under load, but usually near the end of the flight. Never had it occur earlier than that.


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[JessBang]

Yes!! I have had the same problem and tried 4 different batteries all 2200mAh and they all do the same thing, i have ordered some new 3000mAh batteries so hopefully they do the trick. Otherwise i have no idea why it is doing this?