Originally Posted by baldilocks
The top row second left is the earth leakage circuit breaker. You have a minor earth leakage which needs a competent electrician to test all the circuits. It might just be a bit of damp but it could be a sign of something serious building up.
When we came back from holiday, we found that ours had tripped and all the fridges/freezers had partially defrosted. Since the cleaner had been in to water the plants and she usually hangs her bag on a hook over that c/b, I am assuming, in the absence of any other evidence, that she caught the trip button.
What a pain! I hope you didn't have to throw out much food.