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I wish to inform the general public that beware of Coorgi Engineers. My message is intended for skilled people which there are many.These people can save a fortune and not get ripped off when Coorgi engineers say PCB is Gone. PCB is the last thing to fail in Boilers as they are well protected...

I had this problem today and I tested each component the over heat thermostat, the flue thermostat, the temperature sensor and the condensate sensor. All were healthy. Cleaned the secondary heat exchanger. None of cured the problem. Moved the wire of the ignitor and the wire which goes from...

I had this problem today and I tested each component the over heat thermostat, the flue thermostat, the temperature sensor and the condensate sensor. All were healthy. Cleaned the secondary heat exchanger. None of cured the problem. Moved the wire of the ignitor and the wire which goes from...

It is time to look at the blockage in the secondary heat exchanger. If you have lot of muck in the system then the sec heat exchanger gets blocked and this causes the over heat temp sensor to trip and hence red light. follow the instructions to remove exchanger and clean under water by tapping...

If it happens I think it is time to check the secodary heat exchanger as if there is crap in the system then the heat exchanger gets blocked and this reduces the flow rate of water and cxauses the over heat cut out to trip and thus red light. It is easy to remove follow the manual and tapp it...