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DJI › DJI Ace One White Flashes
06-19-2014 01:52 AM  4 years agoPost 1
Aerial Pros

rrNovice

Delhi, New York, USA

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Hey anybody out there experiencing white flashes when cycling their Ace One. I cycle my ace one and it searches for a while flashing red until it picks up all the satellites, then I start to get white flashes. I have to then shut down and re-cycle ace one and try the same process until I don't get the white flashes. Sometimes I have to re-cycle as many as 4-5 times. If I start my gaser after I have received white flashes I usually have a flight from hell. Any help would be appreciated.

The company I purchased my Ace One From sent my entire unit back to China to be checked out. They tested my unit and sent it back with a repair list written in Chinese. I had a friend of mine translate repair order and they said everything checked out. My Ace One works about 1 out of 5 times after I re-cycle it 4-5 times.I am very disappointed in DJI for not sending me a new unit. I have had nothing but problems with this from day one. 3200.00 dollars is a lot of money for a piece of equipment that doesn't do what they said it would do. I just replaced the IMU with another unit that I was told it was a new unit and I still get white flashes. I then replaced the GPS Puck with a used one that the company I bought it from sent me. That combination produced steady red flashes in manual mode and would not let me successfully calibrate GPS Puck. It would flash red after I tried to re-calibrate.

Tomorrow I am going to try and install a used Main Controller that was sent to me. I have been dealing with this for over a year and it took them over 2.5 months to check out my system when it was sent to them.

DJI If you are reading this- Don't you think we could try and take care of a customer that has been suffering through this for over a year????

Delhi, New York 13753

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06-20-2014 02:59 AM  4 years agoPost 2
Aerial Pros

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Delhi, New York, USA

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OK-Today I changed my Main Controller and put my old GPS Compass back on. Calibrated compass. Cycled unit. Red Flashes indicating it was searching for satellites. Red Flashes stopped and then a series of 3-4 sets of white flashes. Anybody else ever experience this with their Ace One???

Delhi, New York 13753

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06-20-2014 06:15 PM  4 years agoPost 3
Chris Bergen

rrElite Veteran

cassopolis, MI USA

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White flashes are an indication of a fault in the system.

This can also indicate a high vibration problem, high enough that the unit (gyro's) can't handle.

Can you describe, in detail, your start up sequence, location (ie concrete pad or grass), compass calibrated properly, etc?

Maybe a pic of your installation will help too.

Chris D. Bergen

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06-20-2014 07:05 PM  4 years agoPost 4
Aerial Pros

rrNovice

Delhi, New York, USA

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Hi Chris and thank you for the response.

Start Up Sequence
1. Concrete or Grass- Same White Flashes
2. Turn on TX and lay it down on ground
3. Turn on Ace One
4. Wait about 3-4 Minutes while it searches for Satellites-Red Flashes
5. After I receive all the series of Red Flashes I then get a series
of white flashes. Sometimes 3-5 series of White Flashes.
6. Sometimes when I re-cycle again I won't get series of White Flashes.
7. Lets assume that I can't get rid of white flashes.
8. I check all my controlls, Manual, GPS, GPS Cruise-Lights all Good
9. Start Gas Motor
10. Idle-Warm Up Motor
11. Very Little Vibration
12. Start to Spool Up
13. During Spool Up- I receive a series of white flashes
14. Lift off
15. Switch to GPS
16. Holds position-but also looses position and becomes very hard to
control heli. It doesn't stay in attitude mode too long. It
becomes less responsive to my controls.
17. It seem as I have better results in the morning with White Flashes
18. I read some threads where they said they had problems with GPS
pucks a while back?
19. I'll post photos when I get home tonight.

Thanks Chris

Delhi, New York 13753

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06-20-2014 09:04 PM  4 years agoPost 5
Aerial Pros

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Delhi, New York, USA

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Hi Chris- I just re-calibrated compass and received white flashing light indicating confirmation. I checked my van GPS and I was tracking 11 Satellites at my location. Cycled ace one- red flashes steady then stopped, then a series of white flashes 3-5 sets, then that stopped. Started heli locked gps for about 1 minute then dropped out of gps, went to attitude mode, then started flashing white lights, swithced to manual and still received some white flashes. I am at the end of my rope. DJI in China has been not very helpful. Requested a new unit after dealing with this for over a year now. The company I bought it from doesn't stock ace ones anymore. Need Help.

Delhi, New York 13753

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06-20-2014 09:53 PM  4 years agoPost 6
Aerial ProsrrNovice - Delhi, New York, USA - My Posts: All  Forum  Topic

Photo of my Heli

I just had another flight. Cycled unit. Acquired satellites. Then a series of white flashes. Started motor and did not get any white flashes at spool up. Had a great flight. ?????

Delhi, New York 13753

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06-22-2014 04:58 PM  3 years agoPost 7
Chris Bergen

rrElite Veteran

cassopolis, MI USA

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From my experience, you're experiencing an IMU problem, not a GPS problem.

Can you take a pic of how you have the IMU mounted?

Chris D. Bergen

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06-23-2014 03:49 AM  3 years agoPost 8
Aerial Pros

rrNovice

Delhi, New York, USA

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Hi Chris-This is the second IMU I have installed. When I cycle Ace One, I pick up my satellites with flashing Reds, then before I start motor I get a series of white flashes- 3-5 sets of White flashes. No vibration issue when I am cycling before I start motor?

Delhi, New York 13753

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06-24-2014 03:13 PM  3 years agoPost 9
Aerial Pros

rrNovice

Delhi, New York, USA

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Chris-Flew Heli yesterday. It seems that early in the morning the GPS Compass works better. Then mid day it gets worse. The white flashes get worse and very hard to lock signal. This happens at many different locations. Then late in the evening it gets better. Do you think maybe the GPS Compass has a flaw in it and doesn't pick up gps signal the way it was designed? I read a couple of threads that said DJI had this problem in the past? Trying to get my heli to flew without always worrying something is going to go wrong all the time. White flashes are the norm for this unit.
Appreciate anyones help also.

Delhi, New York 13753

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06-25-2014 04:09 PM  3 years agoPost 10
Propwash3D

rrApprentice

ohio great lakes

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atti mode
are you sure you centered your sticks and everything is in gps mode from the initial plug in?

i have the wookon m i have had white flashes befor...recalibarete the compass...shut back down, power cycle and try again

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06-25-2014 05:00 PM  3 years agoPost 11
Aerial Pros

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Delhi, New York, USA

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Hey Propwash3d,
Yes, I have centered stick, I have re calibrated, all of the above. I receive white flashes, before starting motor, during spool up, during flight in manual mode. Very fustrating!!!!!! It should be the way it was designed. Any other tips????? I am waiting for another GPS Compass from UAV Products. Robert said he only had a used one in stock. I thought it would hurt to try that. What do you think???

Delhi, New York 13753

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06-25-2014 05:38 PM  3 years agoPost 12
InvertedDude

rrVeteran

USA

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Aerial Pros
I think I may have solved your problem. You have a boat load of electronics, I don't fly your system. Just looking at the wires and all and your powered system. Just a suggestion, get another battery pack and plug it directly into the IMU system on it's own and see if the white flashes stop. You may have to load things separately to power system off of multiple batteries.

GPS need power, so during the day or haze. The GPS needs more power to reach through the fuzz.

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06-26-2014 01:09 AM  3 years agoPost 13
Aerial Pros

rrNovice

Delhi, New York, USA

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Hi Inverted Dude,
Thanks in advance for the response. I am running a single A123 6.6 Volt Battery to power up only the Ace One Unit, when the motor is running I also have a generator on board charging the 6.6 volt battery and also running a back up lead to the ace one Main Controller. All of the other electronics are powered up with another A123 9.9 Volt Battery that is also charged from the generator. I have a dual voltage regulator hooked up to the generator sending 6.6volts to one battery and 9.9 volts to another battery. Tomorrow I am going to remove my entire DJI Ace One and velcro it to a wood board. The only equipment on the board will be the Main Controller, Receiver, IMU, GPS Compass, & a 6.6 Battery.I am going to power it up and power up my Transmitter and see what happens. If I have flashing white lights, my system has flaws in it. If I don't get white flashes then their is interference with my helicopter. Any more ideas??? Need all the help I can get. Over a year dealing with this! You would think DJI would answer tech messages. Sooo disappointed in service. INCREDIBLE!!

Delhi, New York 13753

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06-26-2014 10:18 AM  3 years agoPost 14
Propwash3D

rrApprentice

ohio great lakes

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another suggestion
ariel pro....look in my gallery i uploaded the wookong led chart..im pretty sure the heli versian are the same....

i had minor issues when i first started also...

make sure all firmware is upto date.

are you positive your running all the correct drivers?

on your bar inside the software are you sure ecerything is correct? Gps atti failsafe? maye your radio is not set up correctly?

if your running @ 6.6 v that battery of yours.... it could be your battery protection voltage....check that out...maybee on the last page of the software...just a thought

or try differnt gyro tape....your not moving the heli once you plug it in are you??? maybe try an IMU calibration...

are you plugged into the correct port? are you using the dji bec...IMU controller? maybee somewthing came unplug...

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06-26-2014 02:44 PM  3 years agoPost 15
Aerial Pros

rrNovice

Delhi, New York, USA

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I will be working on Bench testing unit today on a board. I will also do a firmware update, check drivers and all of the above. I will try anything at this point!

Delhi, New York 13753

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06-27-2014 02:09 AM  3 years agoPost 16
Aerial Pros

rrNovice

Delhi, New York, USA

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OK-Tonight I did not board test it. It seemed senseless because the onyly power I was turning on was the power to the Main Controller. I did remove all the wires that were near the Main Controller (MC), IMU, and GPS Compass. I performed 3 Firmware Updates. Each update I got 2 X's in the top 2 Boxes. I just hit try again and I received all circles and it confirmed successful upgrade.I then did not import my last back up. I did this so many times that I remembered all my settings. Entered them, took heli out side, cycled it, series of red flashes, then immediately after a series of 5 white flashes. Re-cycled and received the same. Tried to re-calibrate compass and it gave me my blue and green light but would not give me a series any white light indicating it was a successful calibration.
Note: this is the second MC & IMU I have tried. I have not replaced the GPS Compass. Does anybody out there think it is the gps compass?? Any help would be appreciated. Series of 5 White Flashes according to the manual indicates I think indicates Attitude is bad. Makes sense because heli becomes hard to control. Any thoughts??????

Delhi, New York 13753

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06-27-2014 09:22 PM  3 years agoPost 17
xxSLOANxx

rrNovice

san antonio,texas

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hello all....i was reading your posts..i use the Ace Waypoint system and had the same issues described.heli i use is the radikal condor 830 gasser..after dealing with it racking my brain..even installing unit in my electric heli..still same issues..Im about to give up at this point and send it back...pissed off saying all the bad words..well theres 15,500 dollars down the freakin drain.so it sat for a few days while i started contacting dji..no answer by the way.i said f&@k it i'll fix it if its the last thing i do..so i took it apart and the problem was staring at me in the face...inside the main controller there is a micro sd card..didnt know this til i opened it up..the problem is the sd card gets lose in there (due to vibrations).the is a small amount of white of glue to hold sd card in place...it breaks loose due the vibration of the gasser...after putting a good amount of e6000 let it dry and put it all back together..crossed my fingers and reinstalled unit back in heli...havent had a problem since..its the lack of connectivity between sd card and controller when you connect.it starts freaking out.thats why you see the white flashes....the sd card records the parameters set by the software and if it cant read those parameters its saying to its self i dont know what to do..try this and you should be fine..

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06-27-2014 11:04 PM  3 years agoPost 18
xxSLOANxx

rrNovice

san antonio,texas

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I almost forgot to mention... make sure you remove old glue and reset micro SD card before applying e6000..you can use shoe goo aswell...

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06-28-2014 01:49 AM  3 years agoPost 19
Aerial Pros

rrNovice

Delhi, New York, USA

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Hey,
That is the best news I heard in about a year! I am actually working on the heli right now. I just Re-routed all my wires. I removed the IMU and Installed a thick piece of foam rubber under it to minimize any vibration.Tomorrow morning I will test fly. If I still get white flashes I will yank that Piece of S _ _ T thing open and check it out! I have been racking my brains out forever!When I open it up, will it be easy to repair or will things come flying out of it?

Delhi, New York 13753

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06-28-2014 01:54 AM  3 years agoPost 20
Aerial Pros

rrNovice

Delhi, New York, USA

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Hey-Before I yank it open tomorrow, why do I get the white flashes before I start the motor. Do you think the it could still be caused by lose card?

Delhi, New York 13753

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