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Old Jan 31, 2013, 07:15 PM
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ESC Problem. . . .

Hi Demondriver here have a look at the problem i'm having with my 75Amp HET ESC on my 707, any suggestions will be appreciated!
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Old Jan 31, 2013, 10:31 PM
rrg
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May be the "Current Limiting" on the esc. Can you get your hands on a program card? Did you run the throttle all the way up then back down just for giggles....
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Old Jan 31, 2013, 10:35 PM
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Programming error would be my guess, Were the esc's purchased at different times? It could also be a firmware issue (not upgraded to the latest settings).
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Old Feb 01, 2013, 01:22 AM
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or you've got a bad FET.
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Old Feb 01, 2013, 03:35 AM
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Originally Posted by rrg View Post
May be the "Current Limiting" on the esc. Can you get your hands on a program card? Did you run the throttle all the way up then back down just for giggles....
I have the programming sheet that came with it, this a virtually brand new ESC.
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Old Feb 01, 2013, 03:37 AM
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Originally Posted by foam and tape View Post
Programming error would be my guess, Were the esc's purchased at different times? It could also be a firmware issue (not upgraded to the latest settings).
Its possible Peter, it works fine on 18 volts but past that is a no go.
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Old Feb 01, 2013, 03:40 AM
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Originally Posted by LuvEvolution7 View Post
or you've got a bad FET.
A bad FET board, Its possible Rich but it wouldn't run anything if that where the case.

I'm gonna try and fly her on 2 18volt lipos and hope for the best saturday.

In the mean time I'm gonna listen & run down all these Good suggestions.
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Old Feb 02, 2013, 12:42 AM
Fly R/C writer
Redlands, Ca
Joined Dec 2004
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I know this sounds dumb, stupid, impossible...but I had a problem where the motor I had would only studder. Both motor and ESC were brand, spanking new. I figured the ESC was a bum. Called the guy I purchased it from and he said, please clean off the connectors from the battery and the ESC with alcohol.

Whaaaat?!!! Are you kidding me?

He was right. It's worth a try because you have nothing to lose.

Mike Lee
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Old Feb 02, 2013, 12:51 AM
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it could also be that your ESC hasn't been set up at the factory to automatically detect 6S and only automatically detect 1S-5S.
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Old Feb 02, 2013, 02:39 AM
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Originally Posted by mlee8249 View Post
I know this sounds dumb, stupid, impossible...but I had a problem where the motor I had would only studder. Both motor and ESC were brand, spanking new. I figured the ESC was a bum. Called the guy I purchased it from and he said, please clean off the connectors from the battery and the ESC with alcohol.

Whaaaat?!!! Are you kidding me?

He was right. It's worth a try because you have nothing to lose.

Mike Lee
Thanks Mike, Not a bad idea Sir!
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Old Feb 02, 2013, 02:41 AM
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Originally Posted by LuvEvolution7 View Post
it could also be that your ESC hasn't been set up at the factory to automatically detect 6S and only automatically detect 1S-5S.
I'm leaning to that explanation the most Rich, if it where truly defective it wouldn't handle any current at all.
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Old Feb 02, 2013, 02:42 AM
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for sure. is there no information on the site about it? how about some info on one of the forums? there's gotta be a way to program that, without having the card. a series of beeps while using the transmitter is all you really need.
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Old Feb 03, 2013, 06:59 AM
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you have the throttle on the wrong stick

nah, just playing with you - no idea why it does that, sorry
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Old Feb 03, 2013, 09:16 AM
rrg
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Anything yet?????
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Old Feb 03, 2013, 11:53 PM
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Originally Posted by scruffy1 View Post
you have the throttle on the wrong stick

nah, just playing with you - no idea why it does that, sorry
Yeah I'm still looking, I might have to step up to a 100 AMp esc.
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