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Pilot Check In
IMU Failure
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<blockquote data-quote="I B Spectre" data-source="post: 103275" data-attributes="member: 18605"><p>Hmmm, you said that it was the right rear LED not working when you got it back, now you're getting a #4 ECU (electronic control unit?) error. Does that motor spin up? I found a diagram of how the motors are numbered on a Phantom and, if Spark is the same configuration, #4 motor is the right rear. I believe the ESC (electronic speed control) is on the same board as the LED in each motor mount position. I find a lot of information on the ECS, nothing on ECU. YT has videos of how to replace motors, ESC, etc., but that should be DJI's responsibility when they sent it in for IMU replacement. It suggests they don't do even a minimal functional check prior to returning it after servicing. Please keep us posted on DJI's handling of this issue.</p></blockquote><p></p>
[QUOTE="I B Spectre, post: 103275, member: 18605"] Hmmm, you said that it was the right rear LED not working when you got it back, now you're getting a #4 ECU (electronic control unit?) error. Does that motor spin up? I found a diagram of how the motors are numbered on a Phantom and, if Spark is the same configuration, #4 motor is the right rear. I believe the ESC (electronic speed control) is on the same board as the LED in each motor mount position. I find a lot of information on the ECS, nothing on ECU. YT has videos of how to replace motors, ESC, etc., but that should be DJI's responsibility when they sent it in for IMU replacement. It suggests they don't do even a minimal functional check prior to returning it after servicing. Please keep us posted on DJI's handling of this issue. [/QUOTE]
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Pilot Check In
IMU Failure