Could use some help and answers please!

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Hey guys!

I accidentally turned of my dji phantom 2 off in mid air but managed to turn it back on to make the impact less brutal. Still the crash did some damage and i dont know whats really broken. maybe if i mention the things i know, then someone else could tell me what else is broken.

*basically after crashing i turned it back on, but now one of the 4 propellers doesnt stay in idle mode, it starts of in full speed.
* one of the landing pads/legs are a little curved now, but that shouldnt do anything to the sensor on the leg, right? (im not sure what it is on the leg. sensor/gps/idk.)
*after removing the battery and connecting it again. the led now shows RED, GREEN and YELLOW. (AKA. sensor error?)
*the assistant software says the IMU initialization is failing, which i also dont know what is.
*tried to advance calibrate it, but its been doing it for 2 hours now and doesnt seem like its doing anything.


please if someone knows what im dealing with and hwo to fix it, please let me know! :)
 
Hello,
Sorry to hear about your misfortune!
The sensor on the leg is the " COMPASS "
The " IMU " is "INERTIAL MEASUREMENT UNIT "
The IMU Takes readings from
1) accelerometer ( motion ( forward-reverse, up-down, and side-side )
2) Gyroscope ( spinning motion )
3) GPS ( where you are in magnetic earth )
The IMU takes these readings on ( 3 ) axis
( hence ) x, y, z axis, and creates an ACTUAL VALUE AVEREAGE
of these readings ( hence ) MOD OR ( MODUUS MEANING actual value )
Typically you hook phantom to assistant, take note of values ( MOD )
If any of these are WRONG, you do an IMU CAL.
Here is the breakdown:
Compass = ( 750-2250 )
Gyro = ( 0.0-1.5 )
Accelerometer = ( .98-1.02 )
If any #'s are wrong IMU calibration needed!

Typical procedure in case of crash
1) open phantom, inspect ALL connections
A) loose connections
B) broken solder joints
C) broken/damaged components
2) perform ADVANCED IMU calibration
3) perform Tx ( remote ) calibration
4) compass calibration

Keep phantom LEVEL AND STABLE ( side-side, front-back )
When doing IMU calibration ( no wobbling around, good and stable )
( wood table NOT METAL )

Hope this helps
Take care, Fly safe!
 

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