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Diagnose and repair Stannah 400 stairlift

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  • 18-09-2014 2:46am
    #1
    sumD
    Registered Users Posts: 1 ✭


    Hello there, I bought an used Stannah 400 straight stair lift without a hinge and installed it. Initially the chair would move a little and stop. I could power cycle the stair lift and repeat the limited movement. I measured the voltage on the batteries and one was 13.5 V but the other one was at 11.9V. Thinking I needed a new battery I replaced the lower voltage battery. I may have created a short during the battery swap because I blew the fuse going from the negative terminal on one battery to the positive terminal of the other. I replace the 20Amp fuse and now when I turn the system on, it goes into a continuous beep. LED#6 on the main board is continuously on. LED#4 blinks at regular (fast) intervals. Any cues as to what might be going on or a pointer to a service manual will be greatly appreciated. Best, Sumit


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    #2
    Johnboy1951
    Registered Users Posts: 13,999 ✭✭✭✭Johnboy1951


    I may have created a short during the battery swap

    You might have blown a controller board ..... my advice is to get a Stannah service person to look at it, as that would probably be cheaper in the long run.


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