HELP!DEVO8s No Throttle Just ESC Beeping

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07 Aug 2019 06:14 #74836 by DevoNub
Hi Guys,
I'm new here so hoping someone can help me or point me in the right direction.
I have a Devo8s with the Deviation firmware installed, currently using Devo and DSMX protocol receiver.
The receiver binds great with the transmitter and all the servos work but the issue is that their is no throttle and the ESC doesn't arm and keeps on beeping.
I have used it one two different airplane models one Walkera Reciver and the other DSMX both yielding the same results.

Few thing that i have tired too trouble shoot:
1. Lowering the throttle trim all the way down
2. increasing the throttle to max position so the ESC arms
3 Also read through the manual quite a bit with no success

Thank you in advance, any comments or recommendations is welcomed

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07 Aug 2019 16:53 #74837 by propnut
Replied by propnut on topic HELP!DEVO8s No Throttle Just ESC Beeping
Have you tried putting a normal servo on the THR channel to see if that moves as expected. Could be something as simple as your throttle channel needs reversing or perhaps your ESC is shot. You don't say whether you used the same ESC in both your models.

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09 Aug 2019 05:06 - 09 Aug 2019 05:07 #74846 by DevoNub
Replied by DevoNub on topic HELP!DEVO8s No Throttle Just ESC Beeping
Hi Propnut,
Thank you for your response!
I actual tried putting a servo on the throttle and it works fine also attempted to reverse it with no luck.
I have tried it with two different ESC's.
Last edit: 09 Aug 2019 05:07 by DevoNub.

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09 Aug 2019 05:52 #74847 by propnut
Replied by propnut on topic HELP!DEVO8s No Throttle Just ESC Beeping
If the servo works then it sounds like you need to calibrate your ESC so it knows the range of the radio. If not calibrated it will still be seeing low throttle as being higher than it really is and for safety reasons won't arm. Read the manual of your ESC to see how this is done. Otherwise you could play with the scale settings of your throttle channel to increase the end point throws but calibrating the ESC would be my preferred route.

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10 Aug 2019 06:32 #74851 by DevoNub
Replied by DevoNub on topic HELP!DEVO8s No Throttle Just ESC Beeping
Awesome it finally woks, thank you for your help propnut.
I've been trying to figure this out for the past 2 weeks.

thanks again

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