Time for an update. My regular engineer called yesterday and replaced the solenoid and condenser, which seemed to fix the problem. No sooner had he left and I had paid his bill than the burner locked out again. He very kindly came back within the hour and stripped the burner once more, this time...
Hi,
Thank you, I have now messaged Grant and will hopefully get a reply early next week. I have to say that when I have removed the photocell it is not actually showing any sign of dirt - in fact it is spotless. Just taking it out and re-inserting it seems to fix the problem, for a while...
HI,
[EDITED]
I have a Riello RDB Blu 2.2 burner fitted to my Grant boiler, which was installed in 2018. Over the last few weeks the boiler has failed to fire up when heating/HW is called. This has happened before and I learnt that the problem is solved by taking out the photocell (part number...