Combination microwave oven (St Katharine Docks, E1W)

Panasonic NN-DF386BBPQ Combination Microwave
Bought 26/10/2022. Works fine but when using the microwave the fan is noisy. I got a replacement under extended guarantee and don't need this. It has been my main cooker, and was until today.
It has a microwave, convection oven and grill. Full details are available on Amazon if you put this model number into the search. The lining in the oven has peeled where the shelf goes in, but hasn't had an impact on using it.