Yes, I've got one of those. It was fitted 5 years ago and has given trouble-free service until now.
This morning, the boiler was in lockout (red LED flashing). I pushed the reset button. The green LED illuminated, and when it started flashing rapidly (which I understand is the ignition sequence), a loud, fast rattle/buzz sound came from the boiler. It sounded similar to relay chatter, but louder. After several repetitions, the boiler went back into lockout.
A couple more resets got the thing going so I have heat and HW, but I'd better be prepared to replace part(s). What is making the noise, and what do I need to fix it?
Thanks!