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HomeRC & PowerAircraftHelicopterRadio - JR DMSS › JR9303 is beeping and the display is flashing
01-25-2015 07:00 PM  3 years agoPost 1
totally_awesome

rrApprentice

Fredericksburg, Virginia

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Hello,

Recently my JR X9303 2.4GHZ radio has been misbehaving. The radio started beeeping and the display was flashing, after the radio was on for 30 seconds. The battery voltage was above 9 volts, so what is going on? So I turned off the radio, let it charge over nite and did 4 flights, two on a Blade MCX and two on a Blade MSR.
Went to fly some more and the radio started beeping and the display is flashing. So the radio is back on the charger...again, so do I need to send it to JR to get it fixed?

Regards, Dave

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01-26-2015 01:32 AM  3 years agoPost 2
JEEPWORLD2002/2

rrKey Veteran

Blue Bell, Pa

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How old is your battery ?? Is it taking a full charge ?? My 8 cell AA Sanyo battery will go to 12 v alarm is 8.9 v I think after that my screen on the 8103 is to dim

Can you cycle your battery on a charger out side of your tx n get a reading from that ?? When the AA batts get old they won't hold up well ?? They still sell them n the batt are in the 20-30$ range my Nimh 2500 will go the wkend flying couple hours each day

Trex600n,Trex500,MR25,MikadoLoGo5003d/KDE,Goblin 380XNova,CastleCreations,Ys,JR XG8,Tags Mini XBus Dmss//FAA# FA3NYC9TAP

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01-26-2015 09:40 PM  3 years agoPost 3
totally_awesome

rrApprentice

Fredericksburg, Virginia

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Hello,

My battery is about 1.5 years old. Hopefully the fix will be as simple as getting a new battery. I will call the JR service center to figure out what is going on.
If I get another battery,I will obviously have to disconnect the existing battery. Will I lose all of the settings in the radio when I swap out the battery?

Regards, Dave

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01-26-2015 10:16 PM  3 years agoPost 4
cwright

rrKey Veteran

Blossvale New York

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You won't lose your settings when you disconnect the battery. I just replaced my battery because of a similar problem. All good for me now. Hopefully you will have the same luck. I replaced my battery with eneloop ones. Last a very long time plus you can still use the wall charger with it, which for me was a plus me. Good luck. Chuck

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01-26-2015 10:17 PM  3 years agoPost 5
Rafael23cc

rrKey Veteran

Junction City, KS

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The 9303 has a non-volatile memory. JR radios going back several years had a backup battery for that same reason.

Unplug that battery without regrets.

Rafael

Keep your feet on the ground, but your eyes on the sky.
Team Heliproz.com

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01-26-2015 10:33 PM  3 years agoPost 6
totally_awesome

rrApprentice

Fredericksburg, Virginia

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Response from JR Service
Hello,

Here is the response that I got from the JR service center about getting another battery.

We have one style of replacement battery for that model in stock right now. The nimh style battery has been discontinued, and replaced with a "li-fe" Lithium Ferrite battery. The part number for this item is JRPB4034. You will see that it is a battery charger combo.

So I looked at it and it costs retail $143.99 and map $104.99. I will have to look around for other sources of the battery.

Regards, Dave

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01-26-2015 11:07 PM  3 years agoPost 7
JEEPWORLD2002/2

rrKey Veteran

Blue Bell, Pa

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Yes look around amazon or Heli hobby shops I wouldn't go life as they won't work with the existing batt low alarm with out going into the special menu

And as stated I think there is a second battery on the pcb inside that supports the settings n ur memory when that get s low it has a warning then it gets tricky replacing on your own but can be by supplying wires from new batt to the pcb n removing the old one ect but there is a you tube that goes into all the details or u can send in to HH

Trex600n,Trex500,MR25,MikadoLoGo5003d/KDE,Goblin 380XNova,CastleCreations,Ys,JR XG8,Tags Mini XBus Dmss//FAA# FA3NYC9TAP

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01-26-2015 11:09 PM  3 years agoPost 8
turboomni

rrProfessor

East of the Equator

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Online there are many places that sell a battery for your radio complete with the correct plug. Eneloop I hear are very good and I plan to get one for my JR 11x. You can also get regular NMH battery too.

Setup is everything, All my heli's can fly far better than I can pilot them

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01-26-2015 11:22 PM  3 years agoPost 9
turboomni

rrProfessor

East of the Equator

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here ya go

http://www.batteriesamerica.com/transmitter_packs.htm

http://www.cheapbatterypacks.com/Mo.../529/X9303.aspx

there are a few more.

Setup is everything, All my heli's can fly far better than I can pilot them

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01-26-2015 11:26 PM  3 years agoPost 10
cwright

rrKey Veteran

Blossvale New York

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turboomni your second link is,where I got my like eneloop cells from. They have been working awesome! Plus I can use the stick wall charger with them. Chuck

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01-26-2015 11:35 PM  3 years agoPost 11
turboomni

rrProfessor

East of the Equator

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I will try the eneloop Chuck on my new to me Jr 11x! The radio is at Horizon to be checked over now and and converted to dsmx. Just ordered a screen saver for it too.

Setup is everything, All my heli's can fly far better than I can pilot them

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01-26-2015 11:45 PM  3 years agoPost 12
cwright

rrKey Veteran

Blossvale New York

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I ordered the ones that are like eneloop, like a clone. They were I think $3.40 per cell. I ordered mine with the Spectrum connector. That connector was a direct fit in my 9303. I like you wanted to use the stock charger and didn't want to remove the battery to charge. Chuck

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01-27-2015 12:11 AM  3 years agoPost 13
turboomni

rrProfessor

East of the Equator

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That is a big plus to be able to use the stock charger and the run times with 2500 mah pack will be a very long time.

Setup is everything, All my heli's can fly far better than I can pilot them

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01-27-2015 12:35 AM  3 years agoPost 14
cwright

rrKey Veteran

Blossvale New York

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The cells I got are 2000mah. I think the real envelops are 2500mah. Chuck

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01-27-2015 03:58 PM  3 years agoPost 15
Four Stroker

rrElite Veteran

Atlanta

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You guys should spend a few more bucks and get a battery from a reputable place like http://www.hangtimes.com/txpacks.html

The ones listed are selling surplus out of date cells. But hey there is the TX low voltage alarm.

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01-27-2015 04:35 PM  3 years agoPost 16
turboomni

rrProfessor

East of the Equator

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Interesting thanks for the link.

Setup is everything, All my heli's can fly far better than I can pilot them

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01-28-2015 06:10 AM  3 years agoPost 17
Puffy929

rrApprentice

N W Ohio

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The 9303 does not have another battery for memory. It has rom/ram. you will be fine in changing out the battery. Just like current laptops dont have the button cell anymore.

TRex600Nitro YS 50 JR9303Converted to 2.4 TJ Pro

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01-28-2015 01:19 PM  3 years agoPost 18
doorman

rrProfessor

Sherwood, Arkansas

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+1
Hangtime iis where I got mine about 3 years ago, and still working as they did on day one!!
Stan

AMA 2918-Team Spin Blades,,Castle Creations, Unique Aircraft

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01-28-2015 10:57 PM  3 years agoPost 19
totally_awesome

rrApprentice

Fredericksburg, Virginia

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Hello,

THANK YOU to everyone who has responded to my posting. I am getting the eneloop battery pack. I will let you know when I get it, and how it is working for me.
Thanks again to everyone.

Regards, Dave

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01-31-2015 10:47 PM  3 years agoPost 20
totally_awesome

rrApprentice

Fredericksburg, Virginia

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Hello,

I got my battery today. I was able to get 3 flights in on my small indoor copters, no display flashing and/or beeping. I just have to understand the "proper care and feeding" the batteries for the radio. The info with the
battery mentions charging and conditioning cycles. However it does not mention anything about storage.
So I will contact the supplier and see what they say about battery storage.

Regards, Dave

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