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Baxi Solo boiler not starting when hot

Discussion in 'Plumbing and Central Heating' started by chris911sc, 5 Apr 2014.

  1. chris911sc

    chris911sc

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    Baxi Solo3 PFL 50

    Problem:
    Boiler fires ok when cold, and cut off when temperature has reached cut off set with knob. So far so good. But it would not start again until approx 1hour , and then will fire again no problem. So it effectively run 5 minutes every hour.
    The boiler does not overheat, everything seems ok.


    I have successfully tested the thermostat sensor, the fan and pressure switch, and all lloks good.
    For testing purposes, I removed the combustion box door (held by 4 latches) and boiler works perfectly.
    But if I fit the combustion box door back, the boiler will exhibit the problem.

    So,it seems like a build up of temperature in fan/pressure switch area causes the problem.

    Has anybody got any suggestion?
    Thanks in advance
     
  2. jeff the gasman

    jeff the gasman

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    Get a boiler tech in.
     
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  4. ianmcd

    ianmcd

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    Sorry mate but not allowed to tell you on an open site what is wrong you need a RGI to sort this, and stop removing the combustion cover it is dangerous to do so
     
  5. chris911sc

    chris911sc

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    closed
     
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