my suprima has the age old problem of cutting out, i replaced the pcb with a refurbed one and still no joy, i then had the gas valve replaced and that seemed to have fixed it. 1 week later it started to play up again ? i exchanged the pcb and now it fires up for 10 seconds and then shuts out again, it does this for 3 tries and then locks out all together, really frustrating, any ideas....please !!
If the pcb and gas valve are good (your information) and it locks out after three attempts, make sure you have a good earth connection (vital for flame rectification) and the L&N polarity is also correct.
It's either a flame rectification issue, or it's external, looked at the pump and by-pass for example?
Carefree
February 2011
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