? about the warrior 9920 - Page 3 - RC-Monster Forums

lutach · 09.27.2007, 09:19 AM

Quote:

Originally Posted by BrianG

IMO, I think they provide the jumper to keep people from having to muck with the cable. Removing the red wire (and insulating it) does the same thing. The point is to keep the BEC power from getting to the receiver and to the servos, and both jumper and wire removal do that.

I agree with BrianG. I also heard that you can a UBEC or RX pack and it will help the ESC's BEC. I remembered one occasion with my first 7018. It was cogging a lot with 12 NiCd, but I installed the rx pack and it stopped cogging. A few months later the light turned on my head LOL and I took the black jumper out, but it was working fine before with just the rx pack.

rchippie · 09:42 PM

I have bad news . I was programing my 9920 & it took but know it wont do anything. I started with a half charged battery & checked all my connections & nothing. I even took out the LVC & still nothing. I guess i have to buy a new ESC

BrianG · 09.27.2007, 11:08 PM

I would fiddle with it a bit more. If it programs, then it should work. Try simplifying the setup as much as possible to eliminate other causes. I would use a 2s or 3s pack and use the internal BEC just to see if the ESC lives, and then go from there.

rchippie · 10:04 AM

Quote:

Originally Posted by BrianG

I would fiddle with it a bit more. If it programs, then it should work. Try simplifying the setup as much as possible to eliminate other causes. I would use a 2s or 3s pack and use the internal BEC just to see if the ESC lives, and then go from there.

GOOD news it works. I disconcected the koolflight UBEC & used the stock one & it works on 4s . So does that mean the ubec i just bought went bye bye ?.

UPDATE
It just stopped working again.

I even tried a different reciver & still nothing. Owell i guess it's to buy another ESC.

rchippie · 09.28.2007, 11:48 AM

after more testing it will work with a reciver pack, but not with a ubec or the sbec

BrianG · 09.28.2007, 12:24 PM

Do you have any servos hooked up when you program it? I ask this because if there is an issue with a servo and it is pulling too much current for the UBEC to handle, the UBEC may be causing the receiver to malfunction. A receiver pack has more current capability. If that's not it, try a capacitor on the UBEC output to help eliminate any noise. I assume you disable the built-in BEC when using an external BEC or Rx pack?

rchippie · 12:50 PM

Quote:

Originally Posted by BrianG

Do you have any servos hooked up when you program it? I ask this because if there is an issue with a servo and it is pulling too much current for the UBEC to handle, the UBEC may be causing the receiver to malfunction. A receiver pack has more current capability. If that's not it, try a capacitor on the UBEC output to help eliminate any noise. I assume you disable the built-in BEC when using an external BEC or Rx pack?

yes i pulled the black bec jumper. Yes i have the steering servo hooked up. Maybe i popped the UBEC. I dont have any caps to put on it. If i have to run a reciver pack it's no big deal. Im going to buy a new controller any way.

rchippie · 10:40 AM

I ran my converted X1cr last night, & it got real hot & thermaled. My ? is sinice there are no moving parts on it, what is everyone's opinion on removing the heatshrink to help it get some air to help cool it ?. Also i noticed when it gets hot just before thermal when brake is applied it goes in to reverse even thou the reverse is disabled.