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  1. I

    Potterton EP3002 problem:

    And the next stupid question then: So I just need to buy and fit another of those Honeywell boxes then?
  2. I

    Potterton EP3002 problem:

    Right now I've replaced the batteries in the meter... there is no power to orange lead when HW only on. There is power to the grey lead when HW only on. This means..... ??
  3. I

    Potterton EP3002 problem:

    I'll dig out a multi meter and give that a try. No, the pump does not run when HW only is selected.
  4. I

    Potterton EP3002 problem:

    x 2 OK, now I understand!! I've got two of these (Honeywell).
  5. I

    Potterton EP3002 problem:

    Ahh, now I start showing my ignorance :oops: how do I tell ??
  6. I

    Potterton EP3002 problem:

    Thanks for that. However, when I set both HW & CH on the programmer, the boiler fires and I do get hot water, doesn't that mean that the valve must be working??
  7. I

    Potterton EP3002 problem:

    I Fitted a new EP3002 about 18months ago and it worked fine. Now this summer when I turn the central heating side off, the hot water will not come on. The red indicator lights but the boiler does not start up. If I then switch the CH side on, the boiler fires. Anyone any ideas or is it simply a...
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