WB greenstar CDi- is this a fault code?

Discussion in 'Plumbing and Central Heating' started by Ltnman, 25 Sep 2020.

  1. Ltnman

    Ltnman

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    Turned the boiler on for heat for the first time since a boiler service which seemed more of a safety check and nothing else.

    Boiler took maybe 20 minutes to get from 37C to 65C with the temperature alternating between the temperature and the photo shown. Anyone got a theory why it took so long to get to temperature? This event happened after I called for heat and then straight away my son took a shower. The 20 minute lag occurred after the shower was turned off as I know the heating shuts down on taking a shower.
    [​IMG]
     
    Last edited: 25 Sep 2020
  2. kidgreen61

    kidgreen61

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    This is what they call siphon fill mode. It will do it every time the boiler is switched off. It will resume normal service after around 15 mins.
     
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  4. Ltnman

    Ltnman

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    Top man, thanks!
     
  5. ianmcd

    ianmcd

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    as already advised , not a fault code and nothing to worry about, will happen every time power is switched off to the boiler
     
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