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Massage chair control board help..

Discussion in 'Troubleshooting and Repair' started by Qsilver, Oct 5, 2014.

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  1. Qsilver


    Oct 5, 2014
    That tells me that the CPU is working. That's good.
    Need to find out if there is any signal out of the rectifier..
    If the chair is supposed to turn the DC mas motor, then you should be able to see voltage across the rectifier when you first power on.
    Disconnect the external inductor at C12
    Connect a volt meter CN12-pin2 (neg) and the other side to J1.
    Do the reset. Do you get any voltage changes / fluctuation?
    If you do the tria-diac circuit is probably working.
  2. Searay


    Nov 27, 2019
    My chair has the same problem. I wonder if you repaired the chair.
  3. Searay


    Nov 27, 2019
    Also when I place negative to pin 2 on CN12 and positive on J1 the voltage is 110.
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