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T-Rex 600 pro

Old 01-01-2014, 10:17 AM
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Location: San Diego, CA
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Default T-Rex 600 pro

I recently completed building my t-Rex pro 3gx heli. After I installed the batteries I tried to test out the motor to ensure it spins the correct direction. My issue is I do not get the low throttle arming sound. The motor will not engage. I have tried setting the low throttle end points to 120%, set trim all the way down. Nothing. I do get the 12 beeps when the bats are plugged in. I even tried to get into the programming but I can't even get into that . I tested the 3gx throttle port by plugging in a servo and it does work. Has anyone ever had an issue like this before?

my radio is the spectrum 7s

Old 04-09-2014, 06:03 AM
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Join Date: Aug 2002
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Maybe reverse the channel?

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