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Old Mar 04, 2012, 11:01 AM
Registered User
Joined Jun 2006
7 Posts
Help!
No throttle control for EFlight Park280

Hello All

I have recently purchased a Park 280, a 10 amp ESC, and a new Spektrum DX6i. I believe I have the 2s 800 mah battery charged and everything connected correctly (ESC in the throttle port, battery polarity, etc). Everything seems to cycle throught the power up correctly.

The problem is, when I begin to advance the throttle, the motor spins up very quickly for 2-3 seconds then drops to a very low idle for another 2-3 seconds and then shuts off as if the battery were too low and cuts off the drive power (like a BEC).  This happens wheather or not I move the throttle lever to any setting and it doesn't control any of the motor speed, however the motor will stop if I return the throttle to zero.  When I do return the throttle to zero I can immediately repeat the same problem again. The rest of the controls still work while this is going on.

So, I am not sure if this is motor, radio, esc, or battery issue.  Any help will be appreciated.

Thanks, Dave
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Old Mar 04, 2012, 11:12 AM
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Challenger 413's Avatar
Dickinson, Tx.
Joined Sep 2004
5,397 Posts
Sounds like LVC to me. Have you checked the battery voltage while doing the motor run up?

Challenger413
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Old Mar 04, 2012, 02:21 PM
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Joined Feb 2012
123 Posts
I agree, it sounds like the ESC is set for 3S low voltage cutoff, about 9 volts. It needs to be set for 2S or around 6 volts.
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Old Mar 04, 2012, 03:44 PM
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Joined Jun 2006
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Thanks, I will try to reprogram the ESC for 2S.
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Old Mar 04, 2012, 10:14 PM
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Joined Jun 2006
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That did it! All is running fine now. Thanks again for your help.

Dave
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Old Mar 05, 2012, 05:41 PM
I think I forgot how to fly RC
cryhavoc38's Avatar
United States, WA, Woodinville
Joined Mar 2007
8,063 Posts
those little eflite speedo's all come set to 3s and they do not have auto detect.
MANY people have run into this issue over the years.
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