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Author Topic: Naze 32 strange problem  (Read 279 times)

Dillwhacker

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Naze 32 strange problem
« on: November 25, 2017, 11:50:17 PM »

Old Naze 32 in a 250 quad, been reliable as hell for 4 years and 400 flights.
Today, when I prod the sticks to arm it, I get the beep and the green LED, but when I put on the power, the motors don't spool up.
Happened 4 or 5 times, then I got one perfect flight.
Next battery - same, arm works on the beeps and LEDs, but no motor response.
How can that happen? If the Naze beeps and shows the LEDs, then TX and RX and Naze and ESC's and motors must be OK. So how come no motor power?
I'm stumped. Help welcomed !
 :D
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Dillwhacker

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Re: Naze 32 strange problem
« Reply #1 on: November 26, 2017, 09:38:18 PM »

AHA! It is temperature related.
I wondered if the cold had affected something, because it armed fine after I got it home.
So I stuck the quad in the fridge for half an hour, and sure enough, it wouldn't arm.
Half an hour in the airing cupboard and it arms 100%.
So something about the gyros doesn't like the cold I suspect.
I'll try re-calibrating or something like that....
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Schalonsus

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Re: Naze 32 strange problem
« Reply #2 on: November 26, 2017, 09:58:21 PM »

Maybe a hair crack in the PCB board from a crash?

Or some solder joint broke, you could try resoldering in the oven
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Dillwhacker

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Re: Naze 32 strange problem
« Reply #3 on: November 26, 2017, 10:21:24 PM »

Oohh, interesting idea, thanks.
Hadn't really considered that, only looked for bad wires / plugs.
Thanks.
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BigT

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Naze 32 strange problem
« Reply #4 on: November 26, 2017, 11:00:46 PM »

Oohh, interesting idea, thanks.
Hadn't really considered that, only looked for bad wires / plugs.
Thanks.
I had that issue with one of my mobius. So I followed the instructions on the mobius site and cooked the pcb in the oven and it worked.


Sent from my iPad using Tapatalk
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Favorite TV Series:The Sopranos
Favorite WW2 Movie's: Kelly's Heroes, Battle of Britain, Band of Bro

Dillwhacker

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Re: Naze 32 strange problem
« Reply #5 on: November 26, 2017, 11:08:44 PM »

Yep, I could take to where I used to work and get it reflowed.
Or dribble some flux on it and reflow it in the (domestic?) oven.
What temperature did you use - I thought normal solder was over 250 deg C which is gas mark 9+  ???
Or do you mean a proper soldering reflow oven?
« Last Edit: November 27, 2017, 12:05:10 AM by Dillwhacker »
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Schalonsus

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Naze 32 strange problem
« Reply #6 on: November 27, 2017, 12:10:59 AM »

230°C, 4min in a hot-air oven should do the trick
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Dillwhacker

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Re: Naze 32 strange problem
« Reply #7 on: November 27, 2017, 12:26:14 AM »

Cheers dude, Karma!
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Dillwhacker

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Re: Naze 32 strange problem
« Reply #8 on: November 28, 2017, 08:19:12 PM »

Well, I re calibrated the accelerometers, and tweaked my endpoints for rudder and throttle (they weren't quite reaching 1000 and 2000) and it now arms fine fresh from the fridge.
My guess is the endpoints were marginal and affected by temperature.
 :)
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English Turbines

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Re: Naze 32 strange problem
« Reply #9 on: November 28, 2017, 08:53:17 PM »

230°C, 4min in a hot-air oven should do the trick

  Put a Chicken Pie in with mine please....lol

                                                                                              :vulture:
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Nothing beats the smell of Jet-A at 800 Celsius...:)
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SW1900 UHF Storm.

Schalonsus

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Re: Naze 32 strange problem
« Reply #10 on: November 28, 2017, 09:44:49 PM »

@Dillwhacker, that totally makes sense. Sometimes one should not expect the worst ;D
@English Turbines, you got Karma for laughing my arse off
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English Turbines

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Re: Naze 32 strange problem
« Reply #11 on: November 29, 2017, 01:22:41 PM »

@Dillwhacker, that totally makes sense. Sometimes one should not expect the worst ;D
@English Turbines, you got Karma for laughing my arse off


  Cheers m8....Karma is hard to come by these days.....lol....Steve W has all mine.

                                                                                                :vulture:
« Last Edit: November 29, 2017, 01:24:48 PM by English Turbines »
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Nothing beats the smell of Jet-A at 800 Celsius...:)
Bixler 2 EZUHF 1280mhz Video.
SW1900 UHF Storm.
 

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