DJI Phantom 3 Pro crash log Critical low voltage, battery problem?

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Hi there,

I have crashed my P3Pro and it seems battery failed see attached log, but I have heard some people get lower voltage then mine 11V and aircraft still was ok anyway I broke gimbal arm and wire tape, ordered repaired. Now Drone is connecting to the remote control fine I can see live picture from camera and gimbal works as before but get lound beeping sound just after switching on the aircraft same as this guy here
. I have followed steps he showed without success, after few minutes my light go solid red on the gimbal.

What I noticed my battery seems ok I can charge it and light bars works fine but there is no data when checking on DJI GO App it shows 0% on all cells 0V all options seems disable.
Rest looks fine I can format SD GPS ok etc via DJI GO App

From SD Card hidden file "P3X_FW_LOG_AB" I have noticed few modules not deceted as showed below, but for some people in similar case reinstal firmware helped:

[00012604]========== remo-con disconnect. boot(15) ============
[00012681]Packet [C:\P3X_FW_V01.11.0020.bin] detected, card sn [0xe4dd0630].
[00012753]Packet upgrade start...

[00012836]Packet checking...
[00012908]Packet vlink 01.11.0020 <-> 01.11.0020.
[00012985]Record vlink 01.11.0020 <-> 01.11.0020 (flow = 0).
[00013059]Done.

[00013127]Version checking[1]...
[00025701][03 06][00] device not detected.
[00038271][03 05][00] device not detected.
[00038478][04 00][00] v1.48.0.0 -> v1.48.0.0
[00051052][11 00][00] device not detected.
[00063621][11 01][00] device not detected.
[00076200][12 00][00] device not detected.
[00088774][12 01][00] device not detected.
[00101348][12 02][00] device not detected.
[00113930][12 03][00] device not detected.
[00114095][15 00][00] v1.1.2.0 -> v1.1.2.0
[00126661][17 00][00] device not detected.
[00139231][17 01][00] device not detected.
[00139325][19 00][00] v1.0.8.96 -> v1.0.8.96
[00139395][01 00][00] v1.32.5432 -> v1.32.5432
[00139471][01 01][00] v1.32.5432 -> v1.32.5432
[00139561][08 00][00] v0.13.0.7 -> v0.13.0.7
[00139665][09 00][00] v4.1.0.0 -> v4.1.0.0
[00139735]Packet upgrade failed at version checking.


Do you thing that can be just battery problem and that is why I get very lound beeping, and can not get it working?

Thx in advance
 

Attachments

  • DJIFlightRecord_2018-08-23_[17-51-50].txt
    1.8 MB · Views: 38
  • P3X_FW_LOG_AB.txt
    22.8 KB · Views: 35

Meta4

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I have crashed my P3Pro and it seems battery failed see attached log, but I have heard some people get lower voltage then mine 11V and aircraft still was ok anyway
When was the crash?
The flight record is dated August 2018: DJI Flight Log Viewer - PhantomHelp.com
The flight record shows a warning at 17:08.8 when you were climbing and flying at full speed: Propulsion output is limited to ensure the health of the battery.
You kept flying out until 18:26.9 where cell voltages showed about 3.5 volts hovering.
Coming back, there were more warnings from 18:54.7 with cell voltages at 3.4V
At 19:30.3 one cell dropped below critical low voltage (3.3v) , the battery level was showing 31%
At 19:39.2 all cells were below critical low voltage and at 19:42.1 all cells were below 3.3V
At 19:42.1 autolanding commenced - Critically Low Voltage. Aircraft will land
The battery level was showing 30%
At 20:21.8 signal was lost when the Phantom was still 113 feet up.
Although the battery level was showing 26%, cell voltages were 2.8-2.6V
The battery level was giving false information.
With cell voltages well below the critical low voltage level of 3.3V, it should have been showing 0%
 
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Thanks for reply

I crashed it Aug 2018 repaired gimball arm and left it as it was, I have thought because of modules not detected it is serious damage, then heard people having module not detected problem even without crash so now I am back, maybe there is a chance to repair.

You said

The battery level was giving false information.
With cell voltages well below the critical low voltage level of 3.3V, it should have been showing 0%


Does it mean this is battery problem despite I can charge it without problem?
Battery is from 2015, I did around 70 charge cycles but mayby time (old battery) is crucial here.

I do not get why DJI App can not see any voltage on battery section I can not set critical voltage etc it is just no data.
 

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