Thanks for that. When there's a power cut the light that illuminates is the right hand 'lock-out' light. The boiler demand light on the left comes on as well if and when it comes to a programmed heating period. It's easily rectified by resetting but obviously only if we are here.
Don't know if anyone can help but I'll give it a go. When we have a power cut (not very often thankfully), our Worcester 14/19cbi wall hung boiler goes out and the warning light illuminates. We then have to reset the boiler to make it live again.
This is easily managed when we're home but, if...