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  1. I

    Potterton Suprima 80L flashing green LED from cold

    Have replaced and it's working fine now. Old PCB was also Rev.3. Is this a common fault? Will the new one last? Thanks everyone!
  2. I

    Potterton Suprima 80L flashing green LED from cold

    That sounds not cheap. Any chance the PCB is repairable, or is it a design fault? (I can solder and source parts.)
  3. I

    Potterton Suprima 80L flashing green LED from cold

    Forgot to say that I have a standard hot water tank on the system too.
  4. I

    Potterton Suprima 80L flashing green LED from cold

    This 4-year old boiler has been an on-going headache in my new-build home. Under warranty most of the heating system seems to have been replaced to fix a red LED shutdown problem: Myson flow valves, wiring, thermistor, 2 controllers (Siemens)... It was fine for nearly a year and now the...
  5. I

    Potterton Suprima 50 L - Flashing Green Light

    Looks like I might have the same problem now, after having had 2 new PCBs in 2008 to fix a red LED problem... How do I identify version 3 PCB? I took the control unit apart and took some pics.
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