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HelicopterRadio - JR DMSS › JR X9503 radio glitch caused $3,000 bird to crash!
08-15-2010 03:44 AM  7 years agoPost 21
Saint728

rrProfessor

Honolulu, Hawaii

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So your saying for the OP to open up his transmitter and try and fix the problem himself because in the instruction manual it tells you how to change the tension on the gimbal sticks so its all right to fix everything himself? That's like telling someone they should pull apart the computer system in their car to fix and electrical problem they have because the car instruction manual tells them how to change a tire. What a joke, just send the transmitter in and have them look at it.

Take Care,
Cheers, Patrick

Check the hotties in my Gallery
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08-15-2010 04:57 AM  7 years agoPost 22
Thumpernator

rrKey Veteran

Senoia, Georgia, USA

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So your saying for the OP to open up his transmitter and try and fix the problem himself
No. You said, "Whatever you do, do not open up the transmitter and or receiver it will void your warranty."

We're saying that statement is not true when it comes to the transmitter.

Dave
I keep on thinking, but nothing's happening. Knuk, Knuk, Knuk

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08-15-2010 05:03 AM  7 years agoPost 23
philip 01

rrElite Veteran

ft worth

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no fail safe was a big part of your problem.

learned that lesson myself once.

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08-15-2010 05:26 AM  7 years agoPost 24
dkshema

rrMaster

Cedar Rapids, IA

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Of course, if you need to replace that pesky 3 amp fast blow fuse inside the transmitter when it blows protecting your charging circuit -- the back has to come off, too. Unless someone's found a way to change fuses simply by osmosis.

Changing out that throttle ratchet on the Airplane TX would require removal of the back, as well.

Based on the symptoms noted by the OP, however, it would appear that his TX battery simply went dead while he was flying. The beep, followed by the blank display and single flat line would be symptomatic. He's lucky that in so doing, the transmitter memory and programming itself didn't get corrupted.

IF he does cycle his battery and find it sick, or posts again to let us know that he didn't fully charge it, I'd suppose the safest route here is to zip it back to Horizon for a good once-over in the shop.

But again, don't expect anyone to pay for the heli parts/repair.

And don't forget the fail safe setting next time.

-----
Dave

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

Team Heliproz

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08-15-2010 02:32 PM  7 years agoPost 25
Wayne Parrish

rrVeteran

Apex,NC,USA

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MR SAINT ! Where do you get that anyone said anything about doing any and all repairs to the radio ! READ what you said and what we responded with .

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08-15-2010 02:45 PM  7 years agoPost 26
GyroFreak

rrProfessor

Orlando Florida ...28N 81W

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The beep, followed by the blank display and single flat line would be symptomatic. He's lucky that in so doing, the transmitter memory and programming itself didn't get corrupted.
That's how mine died, but it was setting on the bench and it had been on many hours by accident. A little beeping then it corrupted it's own memory. Had to send it back for reprogramming (no charge).
.
But again, don't expect anyone to pay for the heli parts/repair.

And don't forget the fail safe setting next time.
Both true.

I think about the hereafter. I go somewhere to get something, then wonder what I'm here after ?

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08-15-2010 02:50 PM  7 years agoPost 27
Saint728

rrProfessor

Honolulu, Hawaii

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Open the rear case and check the fuseholder, wiring from the rear case pcb to the processor pcb.

If that is okay, then it could be a dodgy power switch, turn the set on and move the switch slightly sideways, try putting some pressure downwards.
All I said was not to open up the transmitter, in regards of doing the above. In Australia, it will void your warranty. Then you three start saying things like adjusting tension springs and the like. If it will make you guys happy, by all means open your transmitters up and play with it, I could really care less. Just stop arguing.

Take Care,
Cheers, Patrick

Check the hotties in my Gallery
http://rc.runryder.com/helicopter/gallery/9019/?all=photo

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08-15-2010 03:07 PM  7 years agoPost 28
Thumpernator

rrKey Veteran

Senoia, Georgia, USA

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Patrick,

We're not arguing. Just correcting incorrect information. BTW, the OP is in the States, not Australia.

Dave
I keep on thinking, but nothing's happening. Knuk, Knuk, Knuk

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08-15-2010 04:04 PM  7 years agoPost 29
9387ASH

rrElite Veteran

UK

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If someone sent in a transmitter to me and I opened it up to find the fuse hanging, I tend to get a bit annoyed as it is a 1st line fault finding task.

I charge them a nominal fee for sorting it out but all it would take is for a phone call or email to ask for advice. It saves them the postage, lost time and the red face !

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08-16-2010 07:33 AM  7 years agoPost 30
Blax1

rrVeteran

Sydney Australia

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Yes well getting the Tx sorted is probably the easy part, how about getting parts for that heli- Can you get parts for it OK?

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08-16-2010 02:19 PM  7 years agoPost 31
koppter

rrApprentice

Virginia

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I thought I had something intelligent to say, but apparently what I originally wrote broke Wayne's rules on repetition so it is out of my respect for him that this is all that will remain.

A lowly serf knows his place among the heirarchy.

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08-16-2010 02:30 PM  7 years agoPost 32
Wayne Parrish

rrVeteran

Apex,NC,USA

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GOOD LORD, go to the manual for the 9503 and it clearly states how to adjust the springs on the gimbal and that requires opening the back,which they TELL YOU how to do. Enough is enough,believe what you want to,but lets move on to something that means something !!

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08-16-2010 07:48 PM  7 years agoPost 33
OneHoof

rrApprentice

Cold Spring, Kentucky

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dkshema,

Initially... after any crash I've ever had, I have always explored every possibility, just like an NTSB investigator would, to find the true cause or contributors to the crash. Obviously, as with unbiased NTSB investigations 90% of the time... or greater, it is pilot error. But in this case... it truly seems to be a glitch or failure of the radio because it had plenty of charge.

The radio beeped... then locked and stayed in the blanked out screen with the horizontal line... then the transmitter would not turn off or on. I had to take the battery out.

The next day, I put the battery back into the radio and it worked normally as I mentioned. It was showing a charge of 9.8 volts. I had started with it fully charged... I believe that is 11.0 or 11.1 volts with the X9503.

I had just put a new tail servo on and was experimenting to get the nose to hold perfectly. This process took approximately one hour... and two tanks of gasoline. So, with the radio fully charged I do not think it would have discharged to the point of shutting the radio down?

Also, this radio is designed that if you discharge it past the half way mark... an alarm starts going off. The alarm did not go off... nor did the radio shut down, it locked into the blank screen, with the horizontal line... and back light illuminated... and would not turn off.

Granted... I should have ensured the builders set the fail safe... because a crash from a 3 foot hover would have not have caused anywhere near as much damage.

The guys at JR/Horizon Hobby... won't let me talk to anyone in upper level management to discuss reimbursement for the damage to the helicopter because of the radio failure. So, I am do not have as high of an impression of JR/Horizon Hobby as I once had. I'm starting to think my friend who loves Futaba might be right?

But I will reserve judgement to see how JR/Horizon Hobby handles this... once I send the radio in to be checked out. Blogs like this are important because if there is somehow a major glitch with these radios... and this has happened to other pilots... then JR/Horizon Hobby needs to own up to it and do right by the pilots who buy their radios.

Lone Wolf

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08-16-2010 08:07 PM  7 years agoPost 34
Wayne Parrish

rrVeteran

Apex,NC,USA

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I know you are very upset over losing a nice bird,all of us would be,but when we go into this hobby we understand the risk we take with our money. I think it very unrealistic to think that any manufacturer is going to pay for anything beyond the equipment failure,in this case,supposedly a transmitter failed. Don't go ballistic over my saying ,supposedly, since I nor anyone else on this forum knows for sure what happened.I am sorry for your loss,BUT,maybe you will want to take on a more landbased hobby to get away from this risk we take.I had a good friend that wanted a hobby and tried aircraft and after losing some money in crashes he went to truck crawlers.I have ALWAYS known Horizon to bend over backwards for people ,if you work with them.If you go in spraying them with lead why would they WANT to help you ? I hope you can get this resolved so you can have some peace of mind as to why it happened. Good Luck to you.

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08-16-2010 08:30 PM  7 years agoPost 35
Thumpernator

rrKey Veteran

Senoia, Georgia, USA

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The Warranty in the manual clearly states they are not liable for any damage. Not only that, it also states,

"If you as the Purchaser or user are not prepared to accept the liability associated with the use of this Product,
you are advised to return this Product immediately in new and unused condition to the place of purchase.

As far as Futaba goes,,,, call them up and see if they would pay for your heli under those circumstances.
I should have ensured the builders set the fail safe
Did you have someone else build the heli for you or did you purchase the heli and radio from someone? Guess I don't fully understand that statement.

BTW, I think everyone here is sorry for your loss,,,, but it is just part of this hobby.

Dave
I keep on thinking, but nothing's happening. Knuk, Knuk, Knuk

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08-16-2010 08:41 PM  7 years agoPost 36
alexf1852

rrApprentice

Inverness, FL - U.S.

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I have a Protos as my first collective pitch heli. I crashed on flights 2 and 5. Both times, the symptoms were the same. I lost total control and moving the sticks did nothing. In the end, Horizon Hobby tech confirmed what I thought. The reason for both crashes was a bad AR6200 receiver. It passed a range test with no problem, but it failed to receive once out more than 200 ft. And that was the common factor in both crashes. The heli was more than 200 ft away from me when it dropped out of the sky both times. But not more than 400 ft. I was pretty upset about it. It cost me more than $400 in repairs in total for both crashes.

I wasn't expecting HH to pay for my crashed heli. That would set a precedent that would put them out of business in a hurry. They instead sent me a brand new AR7000. I sold it.

But Immediately after the 2nd crash, I couldn't trust my current tx/rx setup, I bought a Futaba 8FG w/ rx and never looked back.

Bottom line is anything can cause a crash...mechanical or electronics failure. And if something causes me to crash that I know without a doubt wasn't my fault, I simply get something different as a replacement and move on. I would rather take my chances on something different than to have the same thing happen with the same brand and model.

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08-16-2010 09:40 PM  7 years agoPost 37
Wayne Parrish

rrVeteran

Apex,NC,USA

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What do you do when you run out of manufacturers ?

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08-16-2010 10:20 PM  7 years agoPost 38
dkshema

rrMaster

Cedar Rapids, IA

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Also, this radio is designed that if you discharge it past the half way mark... an alarm starts going off.
You SURE about that? My 9303 lets you know when the battery is pooped out, there is no half-done alarm.

Nope -- you get a warning alarm when the TX pack reaches 9.0 volts...from the 9503 manual:
Battery Alarm and Display

When the transmitter voltage drops below 9.0-volts DC, the display flashes “BATT LOW” and an alarm sounds.

If you are flying when this occurs, land immediately.
Nine volts. That's not half-done, a couple more tenths of a volt and your 8-cell pack is toast, considered fully discharged at 1.1 volts per cell.

What you describe -- being on for an hour, the TX beeps at you and when you look at it the screen is blank except for a lonely straight line -- sounds like the battery went dead. If you haven't already sent it in for repair, you'd probably want to cycle that pack a time or two to see how healthy it is. A bad cell in a pack of 8 can ruin your day in no time. Unless you cycle that battery under a known load, you have no idea how good it really is. Yes, the 9503 is new and the battery SHOULD be good, but then, it only takes one battery out of eight to ruin your day.

No, Futaba, a.k.a Hobby Services, would not offer to pay for your heli repair, either. They're starting to get real picky about even repairing THEIR stuff under warranty if you believe all the posts about Hobby Services of late. Being paid consequential damages is a wet dream of many.

-----
Dave

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

Team Heliproz

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08-16-2010 10:21 PM  7 years agoPost 39
chuck nowell

rrVeteran

beaumont texas

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you watch tv,or bowl,or some less costly.
its bad when we crash,but every heli has an expiration date.some sooner than others

chuck

E-Kavan
trex800
trex700
ma razor600
team visa

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08-16-2010 10:58 PM  7 years agoPost 40
philip 01

rrElite Veteran

ft worth

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this is all part of the deal. failures happen all the time. just the way it is and has been for a long long time.

if you are not willing to see your heli explode and destroy itself for any reason then sell it and take up stamp collecting.

user assumes risk. not a hobby for the faint of heart.

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HelicopterRadio - JR DMSS › JR X9503 radio glitch caused $3,000 bird to crash!
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