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home Fix label Heating label_important Home Heating Systems category Saunier Duval

Problem with Saunier duval SD 30e?

When i run water the boiler fires up but the L.E.D lockout light illuminates after about 5-10 seconds.The same happens when the central heating is switched on.
Anyone with any ideas to resolve this problem.
Thanks
Albar
Alan Barlow, August 2007
home Fix label Heating label_important Home Heating Systems category Saunier Duvaldone
When you say flame proving sytem,do you mean the sensing electrode and if so is there a way to check.
Thanks for replying and i'll check fan.
Cheers
albar

Alan Barlow, August 2007
flame proving system faulty or dirty fan

fatgas, August 2007
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