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  1. E

    Potterton Suprima

    By applying very gentle suction to the clear tube, I had been able to continuity check that the micro switch to be sure it is operating correctly. It also didn't make any difference putting suction on and holding it during the start up. I didn't want to put mains voltage onto the fan because...
  2. E

    Potterton Suprima

    I have an 8 year old suprima which has stopped working. It goes through the first phase of the start up, running the pump and lighting both lights but after the 3 seconds the pump stops, the green light goes out and the red light stays on. I went through the fault finding guide (ffg) and...
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