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    Default Central heating technician help please.

    Vaillant Ecotec Pro 24 plus goes to F28 fault code after 4 hours.
    Any one can help I have got Vailliant combo boiler, the boiler will stop working when not in use at night or left not used for 4 hours and once reset the boiler will run all day without stopping.
    The boiler will only stop working when hot water is not used for over 4 hours any idea?
    Thanks in advance.


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    google
    "Common Fault 3: Codes F27 & F28

    These codes refer to a frozen condensate pipe, meaning the condensate waste cannot run to the drain and is trapped in the boiler, causing the boiler to lock out.

    The Fix: You may have to wait for the condensate to defrost. If the pipe runs outside, pour hot water over the pipe to defrost it, or place a bucket under the boiler and disconnect the plastic waste pipe on the far right of the boiler, before draining the condensate into the bucket."




    Cold weather - condensate drain pipe freezing need to insulation wrap the outside pipe or trace heat it if it freezes boiler will refuse to start that's your first port of call
    Last edited by ifred; 28th February, 2018 at 01:07 PM.
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    I first thought of that it was the pressure switch faulty replaced with new one all working good, thanks for your time mate.


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    All condensing combi boilers since 2004 do this, in emerica you buy heating wire for the waste pipes.

    also if your buying boiler get stainless internals not aluminum as they corrode
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    Ah yes the FFing Pressure relief value, cheap crappy flap valve that fail for a past time only a few quid and loads of spondoolies to have fitted??
    Bet your glad its sorted
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    yes, I do it and it runs.
    You may have to wait for the condensate to defrost. If the pipe runs outside, pour hot water over the pipe to defrost it, or place a bucket under the boiler and disconnect the plastic waste pipe on the far right of the boiler, before draining the condensate into the bucket."

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    Quote Originally Posted by mikimagon View Post
    place a bucket under the boiler and disconnect the plastic waste pipe on the far right of the boiler, before draining the condensate into the bucket."
    Thats a great idea for everybody, except SJ, as the condensate is apparantly
    corrosive. We would then have another thread entitled

    "help, condensate corroded bucket, gone through carpet, floorboards, artex celing, dripping on to black cat on chippen dale chair below"
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    Quote Originally Posted by Meat-Head View Post
    Thats a great idea for everybody, except SJ, as the condensate is apparantly
    corrosive. We would then have another thread entitled

    "help, condensate corroded bucket, gone through carpet, floorboards, artex celing, dripping on to black cat on chippen dale chair below"
    As of today SJ is still posting so I guess meaty your forecast is wrong! SJ has NOT added himself to the Celebrity death watch by corrosive means
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