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Repairs after crash
426 11 2018-8-14
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lvl.1

United States
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I recently crashed my P2 and damaged one of the arms badly.  Both the shell and one of the ESCs needed to be replaced.  To be extra careful, I also replaced the motor (M2) from the damaged the arm.  I made sure to get use the correct version of the ESC and motor with the replacements.  I repaired everything, but when I try to lift off the drone tilts backwards in the direction of M2 and M3.  I checked the soldered connections inside and everything seems fine.  No matter what, I'm unable to get the drone to lift off straight up.

Can this be repaired or should I just sell it for parts?

Thanks
2018-8-14
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DJI Susan
Administrator

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We're sorry to read the troubles. It is not recommended to repair at your end which may void the warranty. If you need further assistance, please kindly start a case and send it in from here: https://repair.dji.com/repair/index
2018-8-14
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Mark The Droner
Captain
Flight distance : 2917 ft
United States
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Let's see a photo of the P2 with the top off.  Thanks
2018-8-15
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top_billing
lvl.1

United States
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[size=14.6667px]Update: performed basic and advanced IMU calibration on verified level surface. Performed compass calibration. Bird is still immediately tilting backward upon take off with full throttle. To get a better sense of the exact direction it tilts, I anchored it and could then see that it's tilting downward towards M3 which is the ESC/motor that I replaced. I assume this means that it's not getting the same amount power/lift as the other motors. Attaching pictures. Did I solder poorly? Any ideas? IMG_20180815_095845.jpg IMG_20180815_095814.jpg IMG_20180815_095801.jpg
2018-8-15
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Scott Dreger
lvl.1

United States
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top_billing Posted at 8-15 06:13
Update: performed basic and advanced IMU calibration on verified level surface. Performed compass calibration. Bird is still immediately tilting backward upon take off with full throttle. To get a better sense of the exact direction it tilts, I anchored it and could then see that it's tilting downward towards M3 which is the ESC/motor that I replaced. I assume this means that it's not getting the same amount power/lift as the other motors. Attaching pictures. Did I solder poorly? Any ideas?[view_image][view_image][view_image][Image]

It looks like your red and yellow wires are backwards.
2018-11-26
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ALABAMA
Captain
Flight distance : 9587785 ft
United States
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Good eye, Scott.
2018-11-27
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Scott Dreger
lvl.1

United States
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Hope it’s helps
2018-11-27
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Mark The Droner
Captain
Flight distance : 2917 ft
United States
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Somewhere out there in this world, the OP means to thank Scott for his help...
2018-11-27
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top_billing
lvl.1

United States
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Thank you!!
2018-11-27
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KEJ
First Officer

United Kingdom
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Scott Dreger Posted at 11-26 16:55
It looks like your red and yellow wires are backwards.

Well spotted
2018-11-27
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Tree
Second Officer
Flight distance : 451119 ft
United States
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red and yellow wires are a cold solder joint, this can cause problems.

edit:
after looking at the rest they all look cold soldered

2018-11-28
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BSilverthorn
lvl.4
Flight distance : 95144 ft
United States
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Tree Posted at 11-28 10:20
red and yellow wires are a cold solder joint, this can cause problems.

edit:

Replaced my P2 shell often. You cant kill it ;-).

I would double check those solder joints as others have mentioned.  Heat that soldering gun up and tin the tip. Some of those look a tad scary.
You get airborne, its a great drone and easy to work on. Obviosuly they are out of warranty now,.


2018-12-13
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