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High pitch noise in fan. Should I be concerned?
1021 18 2018-4-24
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daev2018
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In this video I uploaded you can hear the fan is loud unless you tip the Crystal Sky to a different angle.

Has anyone experienced this and should I be concerned?



2018-4-24
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DJI Susan
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Hi there, could you check and upload again? The video is not available to play...
2018-4-26
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daev2018
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DJI Susan Posted at 2018-4-26 03:36
Hi there, could you check and upload again? The video is not available to play...

2018-4-26
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daev2018
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DJI Susan Posted at 2018-4-26 03:36
Hi there, could you check and upload again? The video is not available to play...

2018-4-26
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DJI Susan
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Sorry for the late response. I've checked the two links you offered again, they are still not available to play.  Please check the screenshot as below. If still not available, please upload to Dropbox and share us the link here, thanks!
Video.png
2018-5-3
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daev2018
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DJI Susan Posted at 2018-5-3 22:28
Sorry for the late response. I've checked the two links you offered again, they are still not available to play.  Please check the screenshot as below. If still not available, please upload to Dropbox and share us the link here, thanks!

Sorry for the trouble. I can view the video embedded in this post. It is a YouTube Link. Can you try to copy "https://youtu.be/vkNSaAGZSok" without the quotation marks?

2018-5-4
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DJI Susan
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daev2018 Posted at 2018-5-4 05:56
Sorry for the trouble. I can view the video embedded in this post. It is a YouTube Link. Can you try to copy "https://youtu.be/vkNSaAGZSok" without the quotation marks?

Sorry, it is the same result, I'm not sure if I miss something. Could you upload the video to Dropbox and share us the link? We'll double check.
2018-5-10
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daev2018
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DJI Susan Posted at 2018-5-10 01:34
Sorry, it is the same result, I'm not sure if I miss something. Could you upload the video to Dropbox and share us the link? We'll double check.

I think the problem was that I posted the video on YouTube as Private. It should work now.


2018-5-12
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bobo
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Thats not good.
2018-5-12
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SubUser
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I have a CS5.5, when the fan kicks in it does not make that high pitch noise.
It's sounds like the fan is scraping the internal surface of the fan house or bad bearings.
The fan works like a gyro-scoop and will counteract on your turning.

I know this noise from graphic cards of laptops, best option in mine case was to replace the fan.
It's easy and low cost to repair. The bad fan did not do a lot of cooling and used a lot of current.
2018-5-12
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DJI Susan
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daev2018 Posted at 2018-5-12 12:24
I think the problem was that I posted the video on YouTube as Private. It should work now.

https://youtu.be/vkNSaAGZSok

Received with thanks! I'll check with our engineers and come back soon.
2018-5-15
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DJI Susan
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Update: Confirmed with our engineers, this is a normal phenomenon, no worries.
2018-5-17
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SubUser
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This is what the fan should sound like,but my compass does not work properly.








2018-5-20
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DJI Susan
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SubUser Posted at 2018-5-20 01:26
This is what the fan should sound like,but my compass does not work properly.
https://youtu.be/J0GlVWsNvKo

Please try to calibrate compass from here: Settings>Compass calibration to see whether it helps.
2018-5-21
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SubUser
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DJI Susan Posted at 2018-5-21 20:14
Please try to calibrate compass from here: Settings>Compass calibration to see whether it helps.

Hello Susan,

I already did several of times and in different ways, but not a with real improvement.
The first part of the calibration is going well, the second part will give on a small turn already OK.
I looks like the second part calibration is cut off by the program and give just an OK.

Regards.
2018-5-24
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DJI Susan
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SubUser Posted at 2018-5-24 09:17
Hello Susan,

I already did several of times and in different ways, but not a with real improvement.

Thanks for the clarification, we'll check with our engineers and see if there are other suggestions.
2018-5-28
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SubUser
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DJI Susan Posted at 2018-5-28 23:43
Thanks for the clarification, we'll check with our engineers and see if there are other suggestions.

Hello Susan,

Thanks for the replay.

I did put this problem on another thread to see if there are some good working CS5.5 devices.

Maybe it is an idea to average the compass reading over say 15-20 seconds.
I do not mind a delay on this.
I am not dancing with the RC...
But getting a proper radar reading would be nice.


.

2018-5-29
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DJI Susan
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SubUser Posted at 2018-5-29 06:39
Hello Susan,

Thanks for the replay.

That's all right. I'll come back as long as there is an update.
2018-6-2
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DJI Susan
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SubUser Posted at 2018-5-29 06:39
Hello Susan,

Thanks for the replay.

Update: Sorry for keep you waiting. I just got an update from the team that the team recommended to update the App to the latest version and check whether it helps, please keep us updated on the latest progress, thanks so much!
2018-10-27
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