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Home✈️Aircraft🚁HelicopterHelicopter Main Discussion › Sorry, possibly multiple problems to get sorted out.
11-12-2012 02:26 AM  7 years ago
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Flyin for Jesus

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Troy, IL. 62294

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Sorry, possibly multiple problems to get sorted out.
Thanks for anyone who makes it to the end as I have a lot to fugure out here. I'll start with basic stuff.
DSM, I'm used to FM and have an old JR 8103 I have converted to DSM. I have used it a lot on my Blade 400. Everything works fine with the occasional exception of having it work, throttle hold, move to location for take off, throttle hold off, then unresponsive for a few seconds,then flies like normal. I don't believe it to be the ESC as nothing responds for a second or so.

I also have an old Century Falcon 3 I want to get running before I step into my X-cell Fury 60. I buy a Spektrum AR8000 DSMX receiver and a 1000MaH NI-MH pack.

Question 1. I turn on the radio, wait like 5-10 seconds and turn on the receiver and light in receiver and external antenna are on solid. I turn off the receiver then turn it back on without touching the radio, now I have flashing lights on the antenna and receiver. Which one do I want?

Next question, I have gotten a couple hits while setting the the pitch curves and such ( Red blinking light telling how many hits ) also, didn't know that anything had happened as I was just setting things up. I'm at the field and getting things running and it runs fine. Then a radio hit and she spools up without my control ( already nervous about flying a big heli ) Idles back down and spools up again. Needless to say, I shut off the engine and called it a day. I have 2 blinks on the receiver. Hobby shop guys says possibly too weak of a battery for all those servos.

Question, will that cause a receiver hit with inadequate power?

Anyway, I buy an Align RCE-B6T ( which I have in my Fury but never flew it with it though... just a hover once ) and use the 4 yr old LiPO out of the Fury which held about 1400 MaH out of its labeled 1900 MaH. I get some flicker in the Align regulator LEDs but not out of the green range, but I also get a flickering lights on the receiver and antenna but its very slight. ( I get no noticeable flicker on the AR7000 receiver in the FURY even when I hit all the sticks and get the Align regulator LEDs in the red ) Same LiPO but 2 different regulators. only switching battery from one to the other.

Like I said, sorry for the long read but none of these are going in the air until I get everything worked out. Thanks RR members.
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11-12-2012 02:43 AM  7 years ago
Josh Kussman

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Superior, NE

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all i can help with is you want the light on reciever solid, when lights are flashing it means you have lost power to your recievers(brownout). and loss of power may make it do weird things like spool up, just make sure you have a good source of power.
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11-12-2012 02:55 AM  7 years ago
RyanW

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Edmond, Oklahoma

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I wouldn't chance it any longer with old batteries. Get a new one and then try to diagnose if you have radio issues.-Ryan
Mikado USA, Kontronik, Opti-Power, MKS Servos
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11-12-2012 03:21 AM  7 years ago
mr dan

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Stockton Calif

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When you turn on the Tx and then connect power to the Rx your rx will be solid as you stated, disconnecting power to the rx and not turnimg of the Tx is why when you reconnect power to your rx it begins to flash, (same as a brown out durring flight) the rx see's this as a temporary loss in powre and flashes to let you know there was a brown out. After each flight when you shut down the heli's rx power, turn off the Tx as well, then wait a few seconds, turn on the Tx and start all over again."R.I.P Roman" Citizen 0094 in the Nation
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11-12-2012 03:27 AM  7 years ago
Dave's Raptor

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Utah, USA

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I definitely agree that you need a new battery, also I will tell you from my own experience the 2.4G module that I had and used caused me three different crashes. One on my trex 600E, one on a electric combat airplane, and the third on my trex 600N. I decided to switch to to a dedicated 2.4G JR 9303. I have not had any of those lost connection events since the change, 3 and 1/2 years ago. I hope that this might help you out.

Dave
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11-12-2012 03:47 AM  7 years ago
dkshema

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Cedar Rapids, IA

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Question 1. I turn on the radio, wait like 5-10 seconds and turn on the receiver and light in receiver and external antenna are on solid. I turn off the receiver then turn it back on without touching the radio, now I have flashing lights on the antenna and receiver. Which one do I want?
That's normal. You have a DSM2 transmitter, a DSMx receiver, the initial link between TX and RX at power up takes a bit longer than it would were everything DSMx. The fact that lights are blinking AFTER you cycle receiver power without turning the transmitter off, is NORMAL. If you turn the RX off and back on without turning the TX power off and back on, you'll get the blinky lights.
4 yr old LiPO out of the Fury which held about 1400 MaH out of its labeled 1900 MaH.
Your LiPo is toast. LiPos have about a three-year life from the time they're built to the time they're dead. Buy a new, fresh LiPo.

The 1000 mah NiMh pack, how old is that little devil? Spend some dollars on a new, decent battery pack.

If you're using the Align 2 N 1 regulator (RCE-B6T), a new 2S LiPo will make your power source much happier, along with your electronics. While we're at it, if that 2 N 1 has been laying around a while gathering dust and dirt, take a look here:

http://www.ronlund.com/rcheli/ARCHIVE_2_IN_ONE.html

That little switch on the control unit may be looking for some TLC.

You should also make sure the Air Module plugged into your transmitter is fully plugged in, and that it is secure in its mount. There was a problem with some of the early version Air Modules; they didn't necessarily fit the transmitter case well, and I believe that led to some funky operation at times. You can buy an upgraded case for your old Air Module --

http://www.spektrumrc.com/Products/...?ProdID=SPM6817

that, among other things, will get rid of that pesky external antenna wire, which, by the way, you should make sure is sound, connected properly and serviceable.

Here is a link to the Spektrum Product Bulletin about the loose-fitting module:

http://www.spektrumrc.com/Products/...ProdID=SPMMSJR7

That 8103 is a bit long in the tooth, I still have mine, and it's served me well. Your transmitter batteries might want some attention, too, as might the internal coin-cell battery used to keep the programming data alive. (I should send mine in, too, as it's WAY past it's projected 7-year life span). Old, yes, but if in good condition, and if your Air Module transmitter is seated properly and all the connections are good, still very useful.
Everything works fine with the occasional exception of having it work, throttle hold, move to location for take off, throttle hold off, then unresponsive for a few seconds,then flies like normal.
Odd, throttle hold should not make anything quit working, the receiver and servos should continue to operate normally, and the ONLY difference is that the throttle should stay where it's set during HOLD. All other radio functions should remain fully operational.
-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz
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11-12-2012 04:46 AM  7 years ago
Flyin for Jesus

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Troy, IL. 62294

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Thanks everyone... the brownout makes sense. I guess I do the brownout with the switch. I didn't know that the receiver would know if the transmitter was turned off or not.

LiPo will be changed out tomorrow. Odd thing is that the receiver flickers on one receiver ( DSMX ) with lower power consuming servos but stays solid on the other receiver ( DSM2 matching the radio ) with higher current pulling digital servos. I can pull the regulator reading lower in the one that acts right but the funky one, voltage still stays high.

Switching the LiPo will eliminate any possible loss of supply voltage so I'll do that first before trying to troubleshoot any other electrical problems.

I did have the old wire converted DSM on the radio but recently put on the new piece with no wires exposed. However, twice with the new case, I had to wiggle it to get the light in the module to light up... that will be addressed before flying anything other than my Blade mQX.

Sounds like I'd be better off getting a new radio if I want to fly the expensive stuff without worry of radio problems.

Mo money, Mo money... Dang.

Thanks again.
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11-12-2012 05:19 AM  7 years ago
dkshema

rrMaster

Cedar Rapids, IA

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Odd thing is that the receiver flickers on one receiver ( DSMX ) with lower power consuming servos but stays solid on the other receiver ( DSM2 matching the radio ) with higher current pulling digital servos.
It's not clear what combination of stuff you're running, but just in case:

You CANNOT MIX DSM2 and DSMx RECEIVER COMPONENTS IN THE SAME SYSTEM.

If you have a main receiver that is DSM2, the Satellite MUST be DSM2.

If your main receiver is DSMx, your satellite MUST be DSMx.

Do NOT mix DSMx/DSM2 receiver components. You will experience the exact problems you are seeing. Do NOT fly until you get the right combo of stuff.

DSM2 transmitter will work fine with DSMx RX or DSM2 RX (the system will operate in DSM2 mode).

DSMx transmitter will work fine with DSMx RX or DSM2 RX (the system will operate in whichever mode the receiver happens to be.

But do NOT mix DSM2/DSMx receiver components.
-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz
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11-12-2012 05:44 AM  7 years ago
Flyin for Jesus

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Troy, IL. 62294

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the satellite... is that the extra antenna?

If so, the satellites are original with the receiver. Bought together, not separate.

the radio module is DSM2
AR8000 is DSMX
AR7000 is DSM2
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11-12-2012 06:15 AM  7 years ago
dkshema

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Cedar Rapids, IA

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Yes, the satellite is the smaller receiver module connected to the main RX by the three-wire cable.

Just checking, many people still don't know you can't mix and match RX parts.

Get a healthy battery, things will go better in the long run.
-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz
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11-13-2012 11:51 PM  7 years ago
Flyin for Jesus

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Troy, IL. 62294

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update, I found an JR 9503 on Craigslist and bought it for $280 and its only a year old. When I bound it to my mQX, it bound just like its supposed to, Flashing light, button pushed then radio on and light goes solid... ready to fly.
My 8103 never did this like that... after several attempts, it just started working.

So, I bind the 9503 to my Century heli ( the one with the flickering lights in the receiver ) , it binds quickly and no more flickering to the lights.

Bind it to my Fury and had trouble until I removed the bind port extension and plugged it straight in, bound and works every time and is operable within a second of turning on the receiver.

New DSM radio ( not converted ) and extension removal gets everything going.

I didn't buy a new LiPo cause it was like $40 for a 2S 2200MaH pack. I have since switched to 2200MaH packs on my Blade 400 and still have 2 1800 MaH 3S packs that I don't use because I don't want to change weight or remember that the flight time is lower.

My question, with experience soldering and such, can I simply turn the 2 1800 MaH 3S packs into 3 1800 MaH 2S packs?

Really, what precautions do I need to use to do this? I know not to short the cell or its toast but what else before I tear into them?

Thanks again for all the good info so far.

Also, I will do the external switch on both the BECs just to make sure since both are nitro helis.
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11-14-2012 12:19 AM  7 years ago
dkshema

rrMaster

Cedar Rapids, IA

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Here's a thought, make sure that your 8103 was set to PPM mode for all models you had stored. That is a prerequisite in order for the transmitter module to work properly. It is the ONLY setting that will allow that module to work properly.-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz
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11-14-2012 12:47 AM  7 years ago
clever Heli

rrNovice

So Cal, CA - USA

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+1 on loose air modules
You should also make sure the Air Module plugged into your transmitter is fully plugged in, and that it is secure in its mount.
If the upgraded 2.4GHz module (on your 8103) has a wire coming off the back to the antenna, that's most likely your problem.

I had the same problem and found that when I set my Tx down or jarred it any way, the air module would lose connection for a split second. Then it has to power up again before everything is back to normal. While it's powering back up, your Rx enters safemode. I didn't have my safemode setup and when this happened... it went full throttle. Scared the crap out of me but luckily I still had a hold of the head. I also packed up and called it a day.

Spektrum was replacing/upgrading them for free for awhile. But it's only $9.50 for a new module case. http://www.horizonhobby.com/product...-module-SPM6817

I know you bought a new Tx but if you want to fix the old one, I'm sure that's it. If you already have the module case like the one in the link, then forget everything I said.
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11-14-2012 01:21 AM  7 years ago
clever Heli

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So Cal, CA - USA

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Missed this...
I did have the old wire converted DSM on the radio but recently put on the new piece with no wires exposed. However, twice with the new case, I had to wiggle it to get the light in the module to light up... that will be addressed before flying anything other than my Blade mQX.
Did you get this addressed? If you have to wiggle the module to get the light working, then you must address that. Loose connections are bad news and dangerous.
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11-14-2012 01:56 AM  7 years ago
Flyin for Jesus

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Troy, IL. 62294

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All were set to PPM on the 8103.
I didn't really have a problem with the antenna and the wire from before.
I have had the problem with the module in the new case. ( this is why I like the mQX because you can crash it all you want and rarely hurt anything )
The TX module has failed to light up 2 times. Once jiggled and lit, no problems but still not going to fly anything until that got resolved.
I have an electric foam and nitro trainer plane with FM receivers in them, I might just go back to FM with the 8103 and not need to buy anything for the planes, then the 9503 for everything DSM.
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11-14-2012 01:59 AM  7 years ago
RyanW

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Edmond, Oklahoma

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Good job on picking up the 9503. Great transmitter!-Ryan
Mikado USA, Kontronik, Opti-Power, MKS Servos
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