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All Forums >> Radios, Batteries, Clubhouse and more >> RC Radios, Transmitters, Receivers, Servos, gyros >> Radio Manufacturer Direct Support >> Futaba Radios Direct support forum >> 2.4 receivers exposed to high heat
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2.4 receivers exposed to high heat - 5/1/2008 4:39:32 PM   
tedginto



Posts: 28
Joined: 11/30/2002
From: Concord, CA, USA
Status: offline 		I have had two R6014FS receivers disconnect from the transmitter at the same time (LED went Red) due to hight heat under a clear canopy on an warm afternoon. They were install in my Comp-ARF SuperXtra in a dual receiver setup.
I was able to make them fail again on my driveway under a Plexiglasss cover.

I have read in other post that you have forwarded the info to Futaba. How long do you think it might be before we get an answer?

TIA
Ted

Please question is for Futaba Tech Support and I would request that only they reply to this post.

_____________________________

T. F. Ted Edginton
       Post #: 1

RE: 2.4 receivers exposed to high heat - 5/1/2008 7:01:44 PM   
Krysta


 

Posts: 2819
Joined: 1/28/2003
From: Champaign, IL,
Status: online 		Hi Ted,

You are correct, we have made Futaba Japan aware of this, they will let us know their findings shortly. We'll get you informed just as quickly as we can.

Thanks, Krysta
Product Development & Support Specialist
Futaba Service Center USA
service@futaba-rc.com

(in reply to tedginto)
       Post #: 2

RE: 2.4 receivers exposed to high heat - 5/2/2008 8:37:16 PM   
canavanbob



Posts: 295
Joined: 4/18/2003
From: Buena Park, CA, USA
Status: offline 		Has it been shortly yet?
Bob

< Message edited by canavanbob -- 5/2/2008 8:38:11 PM >

_____________________________

Nothing is foolproof in the hands of a fool.

(in reply to Krysta)
       Post #: 3

RE: 2.4 receivers exposed to high heat - 5/2/2008 8:45:50 PM   
Krysta


 

Posts: 2819
Joined: 1/28/2003
From: Champaign, IL,
Status: online 		It is the weekend in Japan, they are not at work right now.

We do not expect to hear anything at all today. Then we are gone over the weekend here.


Krysta

(in reply to canavanbob)
       Post #: 4

RE: 2.4 receivers exposed to high heat - 5/8/2008 2:34:04 PM   
riadh


 

Posts: 79
Joined: 10/9/2006
From: Auckland, NEW ZEALAND
Status: offline 		Any fresh news and/or assurances from Futaba Japan? Cheers

(in reply to Krysta)
       Post #: 5

RE: 2.4 receivers exposed to high heat - 5/8/2008 3:23:27 PM   
Bax


 

Posts: 12030
Joined: 4/26/2002
From: Champaign, IL, USA
Status: offline 		It's been a little over one week since the news first hit the web. Just a week since Futaba was back at work. Please have patience. Futaba will let us know what is found.

_____________________________

Bill Baxter, Manager Hobby Services/Futaba Service/North America
3002 N. Apollo Dr. Ste. 1 Champaign, IL 61822 USA
Service Phone: 217 398-0007
Email: hobbyservices@hobbico.com

(in reply to riadh)
       Post #: 6

RE: 2.4 receivers exposed to high heat - 5/8/2008 9:23:58 PM   
DR10044


 

Posts: 67
Joined: 1/23/2007
From: Hodgenville, KY, USA
Status: offline 		Thanks Bax. We know these things take time. There are just a lot of nervous pilots out here right now.

(in reply to Bax)
       Post #: 7

RE: 2.4 receivers exposed to high heat - 5/9/2008 9:07:54 AM   
riadh


 

Posts: 79
Joined: 10/9/2006
From: Auckland, NEW ZEALAND
Status: offline 		Sorry Bax, I didn’t mean to be pushy. In fact I am very pleased with Futaba service center of America on the professional way they handled my problem with the 7C 2.4 system .Twice I sent it back from New Zealand to the US, once for coding check up and the other for the software update. In both instances I was fully reimbursed for postage costs and both round trips didn’t take more than 10 days each.I have 5 ot the 7 channel 2.4 receivers . Thank you once again.Riadh

(in reply to Bax)
       Post #: 8

RE: 2.4 receivers exposed to high heat - 5/9/2008 1:57:38 PM   
FlyDaddy23


 

Posts: 2
Joined: 2/12/2008
From: Summerville, SC, USA
Status: offline 		I will start by stating that I use the Futaba 12Z radio system. I have been very satisfied with the radio up until recently. After waiting months for Futaba to finally catch up with 2.4mhz technology, I received my TM-14 transmitter module and R6014FS receiver a couple of weeks ago when they became available at Tower. I have been a loyal Futaba man for quite a number of years now and have resisted the temptation to switch over to JR quite a bit in the last few months. My flying partner who has the new JR 9 channel 2.4mhz transmitter has been giving me the business about why don't I just switch over to JR. He hasn't had any problems with his system. After what happened just the other day, I'm seriously considering the move.

I had built a brand new Aeroworks 150 CC YAK and this would be the first model that I have the new 2.4mhz system installed in. All went well at home with testing and setting up the model so I took it to the field last Sunday for the maiden flight.

The outside temperature at the field was in the middle 80's that day. I put the model together and got ready to do the range check. I had the canopy on and I am using a Smart Fly power expander 14mz with Smart Fly turbo regulator. The power to the receiver is regulated at 5.2V constant, so I doubt that there is any issue with the voltage here. The R6014FS receiver is installed where the sun can shine on it directly through the canopy as in all my models. After the 90 second range check the transmitter automatically went to full power transmission mode. I started the engine at this time and had control of the throttle and all the control surfaces. I let the engine warm up for a couple of minutes and then prepared to throttle up and check my control surfaces one last time before taxiing on to the runway. But then, I had no response from the throttle or any other servos. Looking through the canopy I could see that The receiver showed only the red light as if it had lost contact from the transmitter. Approximately 4 minutes had now elapsed since turning on the receiver.

I must admit I was quite baffled at the time and at a loss for what could have possibly caused the difficulty. I turned off the power to the ignition and stopped the engine and then turned off the power to the receiver. Thank goodness the engine was only running at an idle and did not power up on its own. I had the plane properly restrained, but who knows what could have happened in this situation.

I waited for a while and turned the receiver back on again after about 5 minutes. The receiver went to green only to turn back to red and have no control after 3 minutes in the sun. Waited for a while longer, took off the canopy, and after about 10 minutes turned on the receiver again. It turned on normally, went to green but then, No dice, it cut off again after about 3 minutes and went to red. The plane was still in direct sunlight. How hot was the plane inside? I don't know but the temperature must have been high enough to cause the receiver to fail again and again.

After reading quite a few of the threads about this problem over at **** forum, I can only surmise that temperature is the culprit here and this is a real problem for this Futaba manufactured component system. Many users of this new Futaba system have written to the forum at **** with this same problem. I can tell you that I would have been sorely distressed if I would have had a failure of this type in the air with my brand new aircraft. Has Futaba come up with a remedy for this problem? I'd sure like to be using my new 2.4 system...shucks, I guess I'm grounded for now.

I request that Futaba Tech support reply with a solution to this dilemma.

Rick

(in reply to tedginto)
       Post #: 9

RE: 2.4 receivers exposed to high heat - 5/9/2008 3:21:42 PM   
Bax


 

Posts: 12030
Joined: 4/26/2002
From: Champaign, IL, USA
Status: offline 		It's not been two weeks since the first reported temperature incident. Futaba was off on holiday then, and returned to work one week ago. We'll report their findings when they become available.

_____________________________

Bill Baxter, Manager Hobby Services/Futaba Service/North America
3002 N. Apollo Dr. Ste. 1 Champaign, IL 61822 USA
Service Phone: 217 398-0007
Email: hobbyservices@hobbico.com

(in reply to FlyDaddy23)
       Post #: 10

RE: 2.4 receivers exposed to high heat - 5/11/2008 6:02:50 AM   
tedginto



Posts: 28
Joined: 11/30/2002
From: Concord, CA, USA
Status: offline 		I did not start this thread as a discussion topic. It was to find out when Futaba will be supplying an answer to the original question I posted.

I again request that only the Futaba Reps. respond to this post.

TIA
Ted Edginton

_____________________________

T. F. Ted Edginton

(in reply to diamondave)
       Post #: 11

RE: 2.4 receivers exposed to high heat - 5/11/2008 3:48:01 PM   
tedginto



Posts: 28
Joined: 11/30/2002
From: Concord, CA, USA
Status: offline 		You are right it is the weekend and thus BAX hasn't had the opportunity to delete or close this thread. If you watch this forum at all you know that this is a Tech Support forum not a rag on Futaba forum. The ragging part goes in the general section.

Ted

_____________________________

T. F. Ted Edginton

(in reply to diamondave)
       Post #: 12

RE: 2.4 receivers exposed to high heat - 5/11/2008 3:56:06 PM   
Silent-AV8R



Posts: 1669
Joined: 3/16/2004
From: SOCAL, CA, USA
Status: offline 		Bax or Krysta will clean this thread up once they get back into the office on Monday. In the mean while people should read this. It is the sticky post in this section called "Posting in this forum"::

quote:

This forum is intended to provide a place for modelers to ask questions about Futaba R/C equipment and how to use it and/solve difficulties. Please do not reply to any question some may ask. Only Futaba Support representatives should post replies here. If you have an additional question within a particular thread's topic, you may post your question in an already-existing thread.

******* Postings that involve discussions, or answers to questions by people who are not from Futaba Support will be deleted.******

Questions or responses to our answers may be edited at the discretion of the forum moderator. Some postings may be moved to other forums if the moderator deems it appropriate.

Also please realize that we are not aways able to get to a question right away. However, we usually can answer a question within two business days or so.

Thank you for your cooperation.


_____________________________

Reality is Subjective. At least that's what I think.

(in reply to tedginto)
       Post #: 13

RE: 2.4 receivers exposed to high heat - 5/12/2008 2:43:06 PM   
Krysta


 

Posts: 2819
Joined: 1/28/2003
From: Champaign, IL,
Status: online 		Hi Ted,

Since no one seems to understand that this is a forum for only Bax and me to answer questions about Futaba products, and not a "discussion" forum, I am locking this until we get word from Japan.

If any of you would like to further discuss this, you can use the General forum...


Krysta


< Message edited by Bax -- 5/12/2008 3:33:53 PM >

(in reply to tedginto)
       Post #: 14

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