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Missing battery connection on Magnetic Exercise Bike

Discussion in 'Troubleshooting and Repair' started by Sean2000, Jul 2, 2015.

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  1. Sean2000

    Sean2000

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    Jul 2, 2015
    Hello,

    I got a brand new Celsius C2 Magnetic Exercise bike for free and found out that there seems to be a manufacturing fault with the electronic display - in that it has the battery slot but no battery connections to the circuitry. I haven't been able to find a replacement display connection so want to try and make this work.

    I don't have any experience in circuitry, but can't imagine this would be toooo hard.. Any advice would be greatly appreciated.

    It fits AAA batteries, pictures attached.
     

    Attached Files:

  2. ver chan

    ver chan

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    Jun 27, 2015
    you said that these item is brand new! you may contact the sales person for warranty and other info. :)
     
  3. Sean2000

    Sean2000

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    Jul 2, 2015
    I got it for free as the shop selling it was dumping it - so there's no warranty, and I don't think the company sells the display part itself.
     
  4. ver chan

    ver chan

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    1
    Jun 27, 2015
    have you seen those 4 strand of wire with color yellow, white, red, and black with pcb label as- EPW/ V / PUL / G- perhaps that is the power supply lines, G= gound or negative of the battery and V= positive of the battery, i think you need 3 pcs. AAA size battery connected in series= 3 volts DC////1.5 volts each
     
  5. Sean2000

    Sean2000

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    Jul 2, 2015
    Thanks for the reply. Here's a close up of the other end of the wires you mentioned.
     

    Attached Files:

  6. ver chan

    ver chan

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    Jun 27, 2015
    yes, that small board needs power too.
     
  7. ver chan

    ver chan

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    Jun 27, 2015
    i see a big IC chips, what is the code of that ic?
     
  8. Sean2000

    Sean2000

    7
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    Jul 2, 2015
    So I basically need to connect the batteries like this?
     

    Attached Files:

  9. Sean2000

    Sean2000

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    Jul 2, 2015
    The chip says:

    MA803AE2
    1448THCCA
    CCW562.OOC
     
  10. ver chan

    ver chan

    55
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    Jun 27, 2015
    So I basically need to connect the batteries like this?-------------yes, BUT you must connect the other end of the batteries together
     
  11. Sean2000

    Sean2000

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    Jul 2, 2015
    Like this? (sorry I'm a complete noob!)
     

    Attached Files:

  12. ver chan

    ver chan

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    Jun 27, 2015
    yes youve got it right, but do not be dissapointed if it will not work, probably there was another deffects in that unit, however let us see the results after you made it. :)
     
  13. Sean2000

    Sean2000

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    Jul 2, 2015
    Great, thanks for your advice! I'll let you know how it goes.
     
  14. ver chan

    ver chan

    55
    1
    Jun 27, 2015
    if you want to learn more about electronics, you should have some good books as a reference.
     
  15. hevans1944

    hevans1944 Hop - AC8NS

    4,615
    2,154
    Jun 21, 2012
    The thingy with the spring and the flat contact, joined together with a wire, is used on one end to tie the two AA cells in series. A similar thingy, without a wire joining the spring and the flat contact, is needed at the opposite end to make contact with the + terminal of one AA cell using the flat contact, and to make contact with the - terminal of the other AA cell using the spring contact. The spring contact always goes to the - terminal of the AA cell. The flat terminal always goes to the + terminal of the AA cell.
     
    ver chan likes this.
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