OK I could tell the whole story but this is where I am now . The boiler will work for a day or two and then lock out with ignition fault. Reset and it may go for another couple of days. Heating engineer could find no fault & said wait until it fails altogether. Thought I might as well change the PCB, got a refurbished one and it locked out immediately but with circulation fault! I surmised I had been sent a dodgy board, sent it back for a refund, bought a brand new one and this does the same, , circulation fault!! Arghh. Put back the old one and back to 2 days running then ignition fault. So.... must I presume the old PCB is knackered and is displaying the fault incorrectly & I really do have a circulation problem??
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- Thread starter martinthefirst
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View the thread, titled "Suprima HE nightmare" which is posted in UK Plumbers Forums on UK Plumbers Forums.
How old is the pump ?
About 10 years, It is on setting 1 of 3 I could turn it to 2 and see what happens?
Yes turn it on 2
OK, will do, I turned it down a few years ago as I was having to bleed the radiators and I think it was pulling in air, and it solved that problem. Maybe the pump is getting tired.
OK, no improvement, any Suprima HE experts Croydon/Bromley area out there who would like the job?
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