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transmitter or receiver problems

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Old 07-23-2017, 10:21 AM
  #1
merxy84
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Default transmitter or receiver problems

I have an ar9020 receiver in it I was do a fast level fly by and all of a sudden she went into a loop with no transmitter input so I land and do a range check looked everything over everything is working fine so I take off start a slight right bank and then the plane banks left and right really quick back n forth about 4 times and then stops so I land and still cannot find any problems its like I'm getting random signals to or from the receiver. anyone have any ideas or have this problem
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Old 07-23-2017, 11:22 AM
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BarracudaHockey
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Moved to Spektrum forum
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Old 07-23-2017, 11:23 AM
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What battery are you using to power the receiver?

How bout some more details of your installation, gas plane, electric plane, etc,
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Old 07-23-2017, 11:38 AM
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merxy84
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its in a 90-1.20 size mxs-r 30cc gas engine 3s lipo into a 6v bec to the receiver and a second 3s lipo for ingnition. a rcexl ignition kill switch futaba 3010 servos a futaba 3004 for throttle, one eflite micro servo for the choke ar9020 high speed sport receiver with 2 satellites

Last edited by merxy84; 07-23-2017 at 12:25 PM. Reason: added info
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Old 07-23-2017, 05:45 PM
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Which transmitter are you using? If it is a Dx 8,9, or 18 make sure the SD card is NOT in the radio. That is the first thing to check. If it is not send in the transmitter, and if that's alright send in the receiver.
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Old 07-23-2017, 06:29 PM
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merxy84
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sorry I'm not great at explaining things I never actually loose connection or loose control of the model I'm trying to find the right words to explain lets say its like a hiccup for a sec the plane will twitch almost like someone came up and flicked one of the transmitter sticks it will aileron twitch or elevator its all random now I say twitch but its enough to put the plane on it side or straight nose up its just for like less then a sec cause I have full control right away but I'm guessing its only a matter of time before it decides to do it nose down while I'm trying to land. I put the receiver in one of my electric foamies today and had 4 perfect flights no problem
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Old 07-24-2017, 05:03 AM
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Deflections like that have been linked to bad connections in the power system, that is, a bad switch or not-well-seated connectors.

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Old 08-12-2017, 07:46 PM
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merxy84
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thanks for the info ended up replacing batteries my switches and put new wires and connectors in I have had 8 successful flights with no problems
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Old 08-13-2017, 05:03 AM
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That's excellent news! Thanks for the update!

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