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Thanks Mandate, yes electrode and HT lead both replaced and checked, lead not shorting and no spark at ignition cycle.

ollski fanks, 170 squid is 170 squid if thats what it takes then it will have to be. I have a couple of option pending will let you know if I have any luck so others can save a few quid in the future.

Had PCB off yesterday, no scorching behind ignition lead. Anyone know the part No for the spark generator on PCB? Can find every other potterton PCB spark generator but mine. Circuit board G C 114-954 part No 407750

Hi all, Thanks to ollski and Paul yesterday. I still have the same fault with the ignition of my Suprima 60 can anyone suggest another angle of attack. Fault: With mains power on Red LED flashes, press reset green LED on, fan runs green LED flashes, then flashes faster as ignition...

Can smell gas from the burner around the electrode, only when ignition cycle takes place. Have removed and refitted the PCB after re-soldering the joints. Checked continuity of all main component circuits, and individual component continuity following the tracks on the PCB. Same fault...

Thanks ollski, The electrode lead was connected correctly at both ends. Have disconnected lead at electrode end and held to earth as system was running up,(Gas off ofcse). Had the weekest of sparks across to earth untill ignition sequence(green light flashing rapidly). At this stage...

Thanks ollski, The electrode lead was connected correctly at both ends. Have disconnected lead at electrode end and held to earth as system was running up,(Gas off ofcse). Had the weekest of sparks across to earth untill ignition sequence(green light flashing rapidly). At this stage week...

Thanks ollski, The electrode lead was connected correctly at both ends. Have disconnected lead at electrode end and held to earth as system was running up,(Gas off ofcse). Had the weekest of sparks across to earth untill ignition sequence(green light flashing rapidly). At this stage...

Hi to all, I used this site a few yrs ago and recieved good advice on re-soldering PCB. I have a potterton Suprima 60 that appears to run up correctly but will not spark. Once system is on flashing red light showing, press reset button, fan runs, solid green light comes on, green light...