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Old Sep 17, 2012, 06:01 AM
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cmidnight's Avatar
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Issues with AR400

I have a new Spektrum AR400 Rx and a DX7s. All seems to go fine during the bind process (Rx light flash, turns solid, Tx reading well), but there does not seem to be the connection with the channels. No control surface movement, no throttle, etc. Also, motor has continuous beep.

I have this Rx with three different motors, ESC combos and this same thing occurs. Batts are charged (i am not using a seperat Rx Battery, could this be the prob?) I know that the ESC has internal BEC, as I have another of the same.

Hoping someone might help
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Old Sep 17, 2012, 08:51 AM
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richard hanson's Avatar
United States, UT, Salt Lake City
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Quote:
Originally Posted by cmidnight View Post
I have a new Spektrum AR400 Rx and a DX7s. All seems to go fine during the bind process (Rx light flash, turns solid, Tx reading well), but there does not seem to be the connection with the channels. No control surface movement, no throttle, etc. Also, motor has continuous beep.

I have this Rx with three different motors, ESC combos and this same thing occurs. Batts are charged (i am not using a seperat Rx Battery, could this be the prob?) I know that the ESC has internal BEC, as I have another of the same.

Hoping someone might help
are all the connections plugged in the correct way (signal-pos- neg)?
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Old Sep 17, 2012, 09:14 AM
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Use a 4.8v battery pack and one working servo to test.

Make sure the wires are in properly. when bind plug is insert some owners have reported being able to bind or at least appear it's binding but then when bind plug is removed nothing worked. They had the power provided to the receiver connected wrong meaning Negative lead is connected in the signal side of the 3 wires BUT since the BIND plug is just a simple wire SHORTING both NEG and SIGNAL, binding works but then everything else fails.
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Old Sep 17, 2012, 09:17 AM
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I thought the answer you got on the other forum was to send it in?

Andy
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Old Sep 17, 2012, 09:19 AM
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Originally Posted by freechip View Post
Use a 4.8v battery pack and one working servo to test.

Make sure the wires are in properly. when bind plug is insert some owners have reported being able to bind or at least appear it's binding but then when bind plug is removed nothing worked. They had the power provided to the receiver connected wrong meaning Negative lead is connected in the signal side of the 3 wires BUT since the BIND plug is just a simple wire SHORTING both NEG and SIGNAL, binding works but then everything else fails.
STOP!
Do not use a battery if you have ESC/BEC(motor control ) connected !!!!
For rx ONLY test- th 4.8 -or 6v battery and one servo works but you must always do this:
plug bind plug into bind end
note wire positions as noted on side of case Signal- Plus minus

plug in battery - watch for fast flashing
preform bind as usual .
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Old Sep 17, 2012, 09:21 AM
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Oh -----
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Old Sep 17, 2012, 09:28 AM
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-+~

- Negative Lead/Wire/Pin most if not always near to edge of the case or closest to bottom of the case.
+ Positive Lead/Wire/Pin Always Center
~ Signal Lead/Wire/Pin

2 or more threads of the same topic/question will not get you a better/faster reponse.
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Last edited by freechip; Sep 17, 2012 at 09:33 AM.
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Old Sep 17, 2012, 09:58 AM
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Joined Feb 2006
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Simplify as much as possible. Get rid of ESC and use receiver battery. Go through bind process without servos plugged in.

Make sure receiver light flashes rapidly.

Make sure receiver ends up with solid orange light.

Make sure to turn everything off and remove bind plug.

Plug one servo into channel 2 (aileron).

Turn on transmitter. Wait 5 seconds.

Make sure receiver is 3-4 feet away. Plug battery into receiver. Light should come on within 1-10 seconds.

Test aileron control. If it works, everything else should do too.

If not, check that everything is plugged in with correct orientation.

If it still doesn't work, you may have a bad receiver. Call Horizon.
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Old Sep 17, 2012, 10:01 AM
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Quote:
Originally Posted by freechip View Post
-+~

- Negative Lead/Wire/Pin most if not always near to edge of the case or closest to bottom of the case.
+ Positive Lead/Wire/Pin Always Center
~ Signal Lead/Wire/Pin

2 or more threads of the same topic/question will not get you a better/faster reponse.
It is printed on case on the 400 right under BIND DATA
some rx have no notation. tho most do have
For the new guys - the pos being in the center eleiminate any chance of accidentally frying the rx
never - ever - reverse power leads in the battery lead!!
That will do a bad thing.
Ps on the 400 the diagram is reversed from the one shown here.
Frechip- -look at the rx
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Old Sep 17, 2012, 10:11 AM
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Most of my RX 4.8 pack come with a servo connector making reverse connecting not a big deal just like reverse pluggin and ESC.
Quote:
Frechip- -look at the rx
I did and even if the printed signs are not in the same order I posted my theory of NEG being
Quote:
near to edge of the case or closest to bottom of the case
still applies.
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Old Sep 17, 2012, 10:14 AM
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Quote:
Originally Posted by freechip View Post
Most of my RX 4.8 pack come with a servo connector making reverse connecting not a big deal just like reverse pluggin and ESC.
I did and even if the printed signs are not in the same order I posted my theory of NEG being still applies.
On some rx that order is reversed!
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Old Sep 17, 2012, 10:17 AM
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Quote:
Originally Posted by richard hanson View Post
On some rx that order is reversed!
And why the original full post included
Quote:
most if not always
Curious, which one? Which Spk RX has Negative towards the center of the case?
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Old Sep 17, 2012, 10:20 AM
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Quote:
Originally Posted by freechip View Post
And why the original full post included

Curious, which one? Which Spk RX has Negative towards the center of the case?
AR 6110 - for openers - I just looked at one of my older setups
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Old Sep 17, 2012, 10:25 AM
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In this picture from the manual of the AR6110, it would sure appear my theory of negative being closest to edge of case would be accurate in this case also.

I'm I missing something?

PS: Don't get stuck on the order I posted - + ~ or ~ + - The physical connection and my comment of the negative wires MOST IF NOT ALWAYS is near the edge of the case of towards the bottom. I have yet MYSELF encouter a receiver of the multiple brands that I have ever be differently.
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Old Sep 17, 2012, 10:32 AM
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Originally Posted by freechip View Post
In this picture from the manual of the AR6110, it would sure appear my theory of negative being closest to edge of case would be accurate in this case also.

I'm I missing something?

PS: Don't get stuck on the order I posted - + ~ or ~ + - The physical connection and my comment of the negative wires MOST IF NOT ALWAYS is near the edge of the case of towards the bottom. I have yet MYSELF encouter a receiver of the multiple brands that I have ever be differently.
OK try AR6115E- the neg is toward the servo slot name-
and th e indicator is printed minus -plus- signal-
reversed from the printing on the ar 400
I have a lot of different types and am old and feeble so -I can make mistakes --
but the ar400 is printed, signal -plus -minus
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Last edited by richard hanson; Sep 17, 2012 at 10:40 AM.
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