XLX2 BEC voltage not stable? Can someone check their logs?

[dk10438]

I recently received my XLX2 for my Hobao VTE2 and the BEC voltage was set to 7.5v. When I was checking my logs I saw that I had some voltage spikes typically just after startup or powering down. These spikes did not occur when the car was running or when the servo was drawing current. The voltage spikes were as high as 8.9v? I called CC tech support and spoke with one of the techs and he said that this was not unusual and he claimed to have checked other logs and saw the same behavior?

Can someone check their logs and see if their BEC voltage spikes as well? I never saw this with my MMX8S and don't want to burn my receiver or my gyro.

TIA
Dave

 

[Moirae]

You'll be okay. i've seen that bec voltage spike too. Never caused me any problems. I do use radiolink though and their rx can take up to like 12 volts or something.

 

[dk10438]

yeah but futaba lists 8.4 v as the max for both the gyro and the receiver. I don't want to risk damaging the electronics.....

 

[Moirae]

yeah but futaba lists 8.4 v as the max for both the gyro and the receiver. I don't want to risk damaging the electronics.....

I'm pretty sure you aren't going to damage anything because it got .5 more volts for a fraction of a second. You're definitely over worrying on this one

 

[Tex Koder]

If that over voltage is bothering you and you're unable to let it go.. just install a small cap pack to the receiver to help absorb those spikes.

 

[Dan B.]

If that over voltage is bothering you and you're unable to let it go.. just install a small cap pack to the receiver to help absorb those spikes.

Got Phil’s?

 

[RoosterSpeed]

I recently received my XLX2 for my Hobao VTE2 and the BEC voltage was set to 7.5v. When I was checking my logs I saw that I had some voltage spikes typically just after startup or powering down. These spikes did not occur when the car was running or when the servo was drawing current. The voltage spikes were as high as 8.9v? I called CC tech support and spoke with one of the techs and he said that this was not unusual and he claimed to have checked other logs and saw the same behavior?

Can someone check their logs and see if their BEC voltage spikes as well? I never saw this with my MMX8S and don't want to burn my receiver or my gyro.

TIA
Dave

I think you may be on to something. I just plugged in my new used xlx2 and I had it set on 8v bec for my 8.4v servo and 12v rx. The rx worked for a few seconds then smoked. I'm afraid to plug it back in. I went and changed it back to 6.0 bec

 

[Diem Turner]

I think you may be on to something. I just plugged in my new used xlx2 and I had it set on 8v bec for my 8.4v servo and 12v rx. The rx worked for a few seconds then smoked. I'm afraid to plug it back in. I went and changed it back to 6.0 bec

The receiver still works after smoking?

 

[dk10438]

I think you may be on to something. I just plugged in my new used xlx2 and I had it set on 8v bec for my 8.4v servo and 12v rx. The rx worked for a few seconds then smoked. I'm afraid to plug it back in. I went and changed it back to 6.0 bec

I have another xlx2 in a different car with the BEC set at 7.4 and it's always +/- 0.1 volts. I ended up sending the XLX2 back to castle because I was experiencing random shutdowns and they gave me a bunch of grief. TBH, seems like the receiver should tolerate 8.4 v and you said in your post your receiver can handle 12v. I'd check your logs...