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    Danfoss FP715 fault?

    Thanks, I'll look into getting a new timer rather doing what I am now which is setting the timer so that only radiators or hot water are activated but not both ! For info, the cursor indicator does also goes off when the lights go off.
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    Danfoss FP715 fault?

    Thanks again... I set it so that both channels are set to AUTO and in OFF state. I pressed the one hour button for the hot water, the boiler starts and the red light comes on. So far so good. Then I pressed the one hour button for radiators, this results in both lights going off and boiler...
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    Danfoss FP715 fault?

    If the hot water is on it's corresponding red light is on. If we then try to switch the radiators on the red light, for the radiators, comes on for one second and then it switches itself off. The hot water will stay on. The same is true the other way round i.e if the radiators are on (red...
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    Danfoss FP715 fault?

    Dave - thanks for your post, we have already tried the reset button and it didn't solve the problem. doitall - thanks, can you give us some more info on the cylinder stat?
  5. N

    Danfoss FP715 fault?

    I have a Danfoss FP715 heating controller which has been working fine but suddenly will only allow either the radiators or the hot water to be switched on but not both at the same time. Any ideas as to the cause of this, is it likely to be the controller itself or the boiler ? Thanks
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