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need help with usb powered ultrasonic humidifier

Discussion in 'General Electronics Discussion' started by spaceman, Dec 4, 2016.

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  1. spaceman

    spaceman

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    Nov 5, 2016
    I have a CVS ultrasonic humidifier that will not work. It is almost brand new. On the first try it worked for about an hour then quit.
    After cleaning it up per the troubleshooting it worked for about 15 minutes. Now it will not work at all. I read reviews about the humidifier and I am not the only one that has had this problem. I am getting zero support from the manufacturer after emailing them. The led light on it is blinking. When the humidifier was working it was a solid LED light. Is there a way to troubleshoot or fix this item. Thanks for any feedback.
     
  2. Colin Mitchell

    Colin Mitchell

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    Aug 31, 2014
    You need photos of the parts inside the case.
     
  3. spaceman

    spaceman

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    Nov 5, 2016
    I will borrow my neighbors digital camera tomorrow and post then. I took it apart once already and it is all on a circuit board accept for the piezo but I suspect most are that way.
     
  4. spaceman

    spaceman

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    Nov 5, 2016
    Here are the photo's. The middle piece is the piezo and I don't know how to remove it to get to the circuit board behind it. There are no screws for that middle piece so I am assuming they have some kind of machine that sets it in place permanently. If you know how it can be removed please let me know.
    The camera I borrowed is not the best quality. I am in Appalachia and it is a poor part of country. Although the glitzy TV commercials will make it look like its not a big deal to get expensive cell phones and expensive service contracts that is not true. Those cell phone service providers are just in it to make money.
    HPIM3210.JPG HPIM3209.JPG HPIM3211.JPG HPIM3210.JPG HPIM3209.JPG HPIM3211.JPG
     
  5. Alec_t

    Alec_t

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    Jul 7, 2015
    I'm betting the screw heads are below the board and the screw shanks extend up into those two lugs on the piezo.
    Can you post some sharply focussed pics (if necessary have the camera at its minimum focal distance then use a graphics editor to zoom in on the relevant bit of the image)?
     
  6. spaceman

    spaceman

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    Nov 5, 2016
    That piece you referred to as having lugs , just pulled off. I didn't try hard enough the first time. My bad.
    I have some new pics now.
     

    Attached Files:

  7. Alec_t

    Alec_t

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    796
    Jul 7, 2015
    .... which unfortunately still aren't focussed sharply enough for a diagnosis. Treat yourself to a decent camera for Christmas :) .We need to be able to see all circuit tracks and component lettering clearly to have any chance of suggesting where the fault may lie.
     
  8. spaceman

    spaceman

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    Nov 5, 2016
    yeh, even the cell phones blow this old digital camera away. Actually its the neighbors camera.
    I was sorta wondering if the camera that came with the computer and is on the computer can do stills ?
     
  9. Alec_t

    Alec_t

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    Jul 7, 2015
    I thought all computer/tablet cameras could do stills?
     
  10. spaceman

    spaceman

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    Nov 5, 2016
    Im not computer literate yet. I have to wait until the bus picks me up to go to the senior center. I don't really care for the coffee there. They have that instant creamer and it give's the coffee an off taste. I don't want to rock the boat and say anything though. I think the neighbor actually has a better camera than the one I borrowed. If he wanted to borrow a hammer I would give him the good one.
     
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