Originally posted by croy
I have a KO system with an QC2 speed control and and airtronics 357 reciever. If my car get about 20 feet from me it goes into failsafe mode. This is after I sent the reciever back for updates. I have Novak cap kit on the speed controller not because of this I had it before.
I only have the cap because in theory it will make the speed controller more consistant on partial throttle. (I didn't notice a difference.)
This system is just a Pain in the A$$ I have had it since
march and Have only used it for a Half day of racing. 
Likrim: "...mixing is gay" WTF does that mean?
croy,
When I had the Airtronics 94357 with the QC2, I didn't have quite this issue; but, things weren't great either. My 94357 hasn't survived in the JRX-S without a servo saver installed. So, I gave the KO 2343 digital a shot per a recommendation.
I can't blame the QC2 because it was developed BEFORE the Spektrum. Seems like Spektrum folks never tested the QC2 with KO servo combo to be able to forewarn us about any incompatibility issues.
Going out to work on the car...