ideal mini c24 thing

Joined
20 Jan 2007
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Location
Dorset
Country
United Kingdom
pump runs and the bastard ignites for about 1 second then dies the green LED flashesabout twice a second any ideas please xx
 
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Could be flame rectification electrode failing, quite common on these. Are you sure pump is actually circulating correctly or just spinning doing nothing?

Could also be air locked in boiler, have you had any work done on heating system lately?
 
It is extremely rare for the electrodes to fail but when it does happen you have to change all three. The fault is not measurable or anything visible. Its uaually intermittent. It normally shows a red lockout out light.

Much more likely to be a problem with the gas supply. It needs a competent person to measure the gas inlet pressure when the boiler tries to ignite.

Alternatively it might be a problem with the air pressure switch/venturi.

Tony
 

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