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JR 921 receivers

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Old 03-25-2015, 05:46 AM
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Red Raider
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Default JR 921 receivers

I bought 2 JR 921 receivers. These are DSM-2. My transmitter is a JR 9503 DSM-X. Both of these receivers will bind easily to my transmitter, but neither one will transmit signal to the servos. I've re-binded them both several times. At the time I was trying to set up some Robart electric retracts in a new build. After I couldn't them to work, I plugged in various servos in different channels, and nothing. Then, I pulled out an old Spektrum 7000, it bound to my radio, and all channels work like they're supposed to. What am I doing wrong?
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Old 03-25-2015, 06:31 AM
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moparherb
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Do you have a remote? I believe the 921 must have a remote receiver. Remember the remote must also be DSM-2.
Old 03-25-2015, 08:21 AM
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Originally Posted by moparherb
Do you have a remote? I believe the 921 must have a remote receiver. Remember the remote must also be DSM-2.
Yes. Both have remotes that came with the receivers. I remember checking to make sure that they were matched. Both the main and the remote receivers bind to the transmitter just like they're supposed to.
Old 03-27-2015, 08:20 AM
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grizzly59
 
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One or more of your servos wires are plugged in back in backwards.
Old 03-27-2015, 08:27 AM
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Originally Posted by grizzly59
One or more of your servos wires are plugged in back in backwards.
Thanks. I'll take a look at that. It must be something germaine to the receivers that I did consistently with both receivers.

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