Video below shows the boiler under fault conditions and also working correctly following repair. In this case the fault was connected to a major component failure in the boiler and it had to be replaced. Check your condensate pipe for blockage or freezing in the winter. Check if you get gas to other appliances such as gas hob if there is one. Check if your prepaid meter has credit on it. Same fault codes can also mean problems with electronics (PCB) or spark generator.įirst thing to check is to make sure that gas is on.
Boiler either does not ignite or cannot establish stable combustion. Generally slow flashing blue light with reset button flashing indicate ignition or combustion problem. blocked condensate pipe or frozen condensate pipe.When the primary temperature drops below 8☌ the pump is switched on. 'Greenstar CDi Combi Frost Protection The boiler has inbuilt frost protection. Also reset button is flashing.Īccording to Worcester Junior manual blue light flashing (mostly off, flashes on) with lock out reset button flashing can mean following: The problem was the circulation pump was constantly running at low speed. After short while boiler goes into lockout mode and has blue light flashing (mostly off and then on for a short while) – please see video below to see how the blue light flashes. You can hear fan starting but boiler does not ignite. Boiler not working in both hot water and central heating modes. Worcester Bosch Greenstar Junior 28i repair.
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