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Home✈️Aircraft🚁Helicoptere-AlignT-REX 250 › Trex 250 - Lost all control of servos
02-29-2012 04:59 PM  9 years ago
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msimm15

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simmymoskowitz@msn.c om

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Trex 250 - Lost all control of servos
I was setting up my 250 the other day and made 2 mistakes

- apparently the fail safe was not setup correctly

- I turned off the tx before the rx (Dooohhhhh)

As a result the heli sped up and went crazy - it ended up stripping the main gear and cutting the gain wire on the gyro.

I fixed all the broken parts and wires and now when I try to start it up I get no movement in any of the servos the esc and motor work fine but none of the servos work.

I tried rebinding and resetting the heli but still nothing. I tried a different rx and still nothing.

Is it possible that I burned out all the servos - even the tail ?? It wouldnt make sense that the tail got burned out

What else can I try

Thanks
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02-29-2012 06:42 PM  9 years ago
jschenck

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La Vista, NE.

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just a wild guess but are you plugging the servos into the RX upside down?

Do you have a spare servo laying around - anything at all. Like a $10 airplane trainer servo. Plug that in and see if it'll move. That'll tell you if it's your servos. I doubt you burnt all of them though.

Look for a short somewhere or possibly a wire that got hooked up wrong. unplug all the servos and test one at a time to see if that is the issue. Also try an external battery pack (esc unplugged) to see if perhaps the BEC is bad on the ESC
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02-29-2012 06:44 PM  9 years ago
msimm15

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simmymoskowitz@msn.c om

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I tired plugging the servos into a tx and rx system I have in one of my cars and I got nothing.

I am pretty sure the servos are plugged in correctly but I will try to reverse them

Thanks
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02-29-2012 06:46 PM  9 years ago
jschenck

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La Vista, NE.

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test with a servo from your car or something into your 250 RX.
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Home✈️Aircraft🚁Helicoptere-AlignT-REX 250 › Trex 250 - Lost all control of servos
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