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Ideal Classic Boiler - Airing Cupboard Pump Won't Stop

Discussion in 'Plumbing and Central Heating' started by AustinYeahbaby, 7 Nov 2010.

  1. AustinYeahbaby

    AustinYeahbaby

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    Hi, first post.

    I have an ideal classic FF280

    The pump in the airing cupboard is continuously on even when both the central heating/hot water is set to off.

    Even if I turn off the boiler, it keeps going!

    The only way I can get it to stop is either turn the power off next to the central heating/HW switch or.... turn the Cylinder thermostat to the off position.

    It like the pump power is driven by the cylinder thermostat regardless of the hw being on or off.

    I had a quick look at the wiring inside the cylinder thermostat (drayton HTS3) and it has wiring connected to the Common and Call for heat but not the Satisfied connection.

    Any help truly appreciated.
     
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  3. lightning

    lightning

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    Sticking 2 port or 3 port valve
     
  4. onlyfitidealboilers

    onlyfitidealboilers

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    does the boiler fire up as well as the pump running? :LOL:
     
  5. AustinYeahbaby

    AustinYeahbaby

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    The boiler does not fire up, the pump even runs with the power off to the boiler :(
     
  6. onlyfitidealboilers

    onlyfitidealboilers

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    very strange if it was an external control fault ie a two port vlv sticking the boiler would fire up. what boiler do you have?
     
  7. AustinYeahbaby

    AustinYeahbaby

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    Ideal Classic FF280m when I say the boiler power is off,

    I'm talking about using the power switch on the front of the boiler set to off but the fused spare next to the controller set to on still.
     
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  9. onlyfitidealboilers

    onlyfitidealboilers

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    if you turn the switch on the front of the boiler on does it fire up? even if the clock etc are off
     
  10. matt1e

    matt1e

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    sounds like a wiring issue, has the system ever worked ok?
    is this a new fault or has it always been this way?
     
  11. AustinYeahbaby

    AustinYeahbaby

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    No, the boiler does not fire up at all until the clock controller starts up through the timer/advance or boost button.

    What's weird is that I set both HW + CH to advance, boiler kicks in, central heating and water get hot as normal.

    The water timer ends (as normal or via the advance button) and when I turn the central heating thermostat down or turn off via the controller everything stops including the pump..

    The pump is behaving fine again but I get this problem periodically...

    Can't' figure it out.
     
  12. AustinYeahbaby

    AustinYeahbaby

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    The only thing I can think is when I changed the program timer last year from a Drayton Lifestyle 241 to a Drayton Tempus 6.

    I just checked the wiring diagram on the drayton site and both look the same.

    I wondering if the boost option or some other difference between the controllers is causing the problem.
     
  13. twgas

    twgas

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    I suspect you've got a dodgy switch in one of your motorised valves.
     
  14. AustinYeahbaby

    AustinYeahbaby

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    Would the microswitch cause the pump to stay on even when the controller has HW + CH set to off?
     
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