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› Jive esc question
09-30-2012 05:54 PM  6 years agoPost 1
2004lsc

rrApprentice

Phoenix, AZ

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Recently bought all new 65c lipos. I changed everything to ec5's as well.

I just changed the jive esc to an ec5 and series plug for my 700. I plug the lipos in and nothing. Mind you it just flew 5 days ago with deans plugs and some old lipos. Why would changing out the plug cause me problems ??

I resoldered the ec5 - nothing. Checked the series plug - nothing. Tried plugging just 1 lipo in - nothing. All I get is a very small spark. So I checked the esc for the 3 light blink of death. The esc led doesnt even light up. WTH could have happened... ??

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09-30-2012 06:23 PM  6 years agoPost 2
wrongler

rrProfessor

Brewerton, New York

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Make sure all the wires are correct on the series plug! Also check and make sure TX throttle is at 0 with no trim. Were you on 12S originally?

Bill Whittaker

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09-30-2012 06:26 PM  6 years agoPost 3
2004lsc

rrApprentice

Phoenix, AZ

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yes

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09-30-2012 06:27 PM  6 years agoPost 4
2004lsc

rrApprentice

Phoenix, AZ

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I tripled checked the series plug.....

I'm stumped. I have 8 new lipos I cant fly today.

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09-30-2012 06:29 PM  6 years agoPost 5
wrongler

rrProfessor

Brewerton, New York

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Did you check the TX throttle for trim, It needs to be at
0

Bill Whittaker

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09-30-2012 09:34 PM  6 years agoPost 6
2004lsc

rrApprentice

Phoenix, AZ

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Yes

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09-30-2012 09:37 PM  6 years agoPost 7
Roby

rrApprentice

Slovenija, Europe

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In the manual 3 blinks on power up mean: Motor inductance too small. Change the motor.

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10-01-2012 12:23 AM  6 years agoPost 8
dumbthumb75

rrApprentice

Oslo, Norway

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Assuming that you've checked that the battery actually puts out 12s voltage at the EC5, and that the soldering is good at the ESC cables, is it possible that one of the battery side leads have sustained a break under the insulation?

Just where the leads exit the Jive is a known weak point...

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10-01-2012 02:33 AM  6 years agoPost 9
2004lsc

rrApprentice

Phoenix, AZ

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Checked that.

So I figured it out.... but I'm kinda worried that it could shut off during use.

So, the servos are on 8v 2s lipo. Just the motor/esc are powered by the batteries. I have a small fan in the bec side to help keep the esc cool instead of the heatrsink. To tall n would hit my lipos. Converted 700n - Ray Nemovi.

So normally when I plug in the esc the fan turns on and the esc initializes hearing the 12 beeps for 12s.

The fan never turned on nor the esc. One of the fan fins was stuck, bent it back and the esc still wouldnt work.

So I just tried and plugged it in again and it worked. I'm like WTH !!

I never had throttle hold on so the esc wouldnt turn on. BUT, the fan still should have. So I tried it again, left throttle hold off, then plugged in the lipos. Fan turned on but no esc. Hit throttle hold and the esc initalized. Weird that the fan didnt work before but it does tonight.....

So I'm kinda worried that something could be wrong with the esc?? But mayb not cuz I just flew it a week ago and never had even one issue with it

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10-01-2012 06:12 AM  6 years agoPost 10
MrMel

rrProfessor

Gotland

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Take a picture of how the motor cables are routed

Gone fishing..or hunting..or something
My site: http://heli.dacsa.net - VBar videos and more

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10-01-2012 06:58 PM  6 years agoPost 11
dumbthumb75

rrApprentice

Oslo, Norway

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Regarding routing of motor cables :

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10-09-2012 12:44 PM  6 years agoPost 12
Taipan

rrElite Veteran

Sydney, Australia

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Apologies for butting in but does that mean how I've wired the motor wires in the pic below is no good?? It's a Helijive V11 ESC that did stop working after 70 flights for no reason!

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