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-   -   Mamba X 3800 issue (http://www.rccrawler.com/forum/electronics/619925-mamba-x-3800-issue.html)

TOMS97ZJ 07-23-2020 07:37 AM

Mamba X 3800 issue
 
I have a trx4 that I installed a Mamba X 3800 ďCrawler EditionĒ combo.

Itís been ran 3-4 times and worked excellent. No problems at all. Today I went to program it with the B-Link and it gives me 2short beeps and one long beep. It not hot since it hasnít been ran in a few days and my condo is kept pretty cool.

Iíve tried using b-link to reset programming and are sure the thermo shut down is off (default setting).

What am I doing wrong here?

svt923 07-23-2020 08:02 AM

Re: Mamba X 3800 issue
 
2 short beeps followed by a long beep (along with all ESC lights flashing) indicates the ESC is not getting a radio signal from the receiver.

Double check the ESC is plugged into the receiver correctly and the receiver is getting power. Even the most experienced among us is not above plugging in a receiver plug the wrong way from time to time.

TOMS97ZJ 07-23-2020 08:08 AM

Re: Mamba X 3800 issue
 
Quote:

Originally Posted by svt923 (Post 6036100)
2 short beeps followed by a long beep (along with all ESC lights flashing) indicates the ESC is not getting a radio signal from the receiver.

Double check the ESC is plugged into the receiver correctly and the receiver is getting power. Even the most experienced among us is not above plugging in a receiver plug the wrong way from time to time.

I just got to work so Iíll try that when I get home. Iíve unplugged and plugged it in multiple times.

I can steer and use all the micro servos no problem. Only throttle is disabled.

mikemcE 07-23-2020 08:39 AM

Mamba X 3800 issue
 
If plugged correctly, recalibrate Tx and Rx

On Castle ESCís the LEDs tell you what wrong.
Hereís old reliable!

https://rogershobbycenter.com/castle...eshootingguide

Hang up and Drive

TOMS97ZJ 07-23-2020 09:39 AM

Re: Mamba X 3800 issue
 
Also I’m an idiot and read the guide as - - • being short short long instead of long long short.

You guys are probably right and I didn’t plug something in correctly.

Hoping I can get it going when I get home.

Thanks for the quick responses. I’ll update tonight.

TOMS97ZJ 07-24-2020 07:43 AM

Re: Mamba X 3800 issue
 
Ended up being the receiver. Pulled the traxxas receiver and put in a futuba system I had and it works perfectly fine.


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