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Clicking noise from sensors?

Discussion in 'Pro/Adv Discussion' started by Jerry Guan, Aug 8, 2016.

  1. Jerry Guan

    Aug 8, 2016
    Likes Received:
    Hey all
    I am a total rookie and know little about drones. I know how to fly them and all but I'm new to all the new hardware. I mainly use my P3A for videography

    I purchased the P3A last week. Took it out of the box (Yes I read the manual and everything) tested everything and is working. Then I was testing it indoors, and when its on, I can hear this faint clicking noise.. It sounds like a fan hitting something? Not 100% sure though

    However when I put my finger over one of the Visual Positioning Sensors, the clicking stops.. Is it normal for the VPS or sensor to click? I read on some P4 forums that it's sonar waves detecting the distance.

    Should I get a refund/return or is there no issue?

    Thanks guys
  2. Yiannis.B

    Jun 14, 2016
    Likes Received:
    Athens - Greece
    Yes, it is normal, both my P3P and Inspire make that sound from VPS module.
  3. msinger

    Approved Vendor

    Oct 30, 2014
    Likes Received:
    Harrisburg, PA (US)
    You will hear sounds from the VPS. If you have any doubts, please upload a video so we can hear what you're describing.
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