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Hi, my ideal combi boiler model mini HE C28 goes through the light sequence upto ignition sparking but main burner not lighting. having had the gas valve and ignition sequence pcb relaced, boiler still not working. what next ?

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  • Anonymous Mar 30, 2014

    timmer instructions

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  • Heating & Co... Master
  • 2,597 Answers

Hi check the flame senser is in postion and clean

Posted on Feb 01, 2010

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I have a halstead finest gold combi when I turn the boiler on the boiler goes into its ignition sequence when it comes to ignite the boiler fires but after the igniter stops the boiler cuts out completely...


Difficult to get too specific without knowing if you have gas or oil. Also, I am going under the assumption you mean the burner shuts down, not the whole heating system. That being said, all heating appliances have whats called a safety curcuit. Each control has the ability to shut down if certain critera are not met. There is a sensor that senses light down the blast tube. If no light is sensed in a predetermined time period, then the sensor cuts power to the burner. This stops delivery of fuel so if it does ignite you wont blow up.
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I've got a Alpha 240 e combi boiler..... Everything seems to be wor,kin ok but it won't start the ignition sequence .


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Ideal c24


Hi Jurgie,
I'm Harvey, the Master Plumber,
Happy to render my assistance.

This is your problem!
When you are switching on the boiler it ignites for 8 to 10 seconds, then it cuts off and the lock out lamp comes on. Pressing the reset button or turning on the hot water tap has the same effect.

I need to get the make and model of your specific boiler to give you an accurate answer!
Waiting for your response.
Harvey, your Master Plumber.





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