If you disable the fan, the element will overheat and fail within minutes……….
Next oven you get, go for the “Multifunction” type, which would include “static heat” elements under the oven floor and in the oven roof – much more suitable for your requirements.
Are you sure that you are cooking at fan oven temperatures.
and not conventional oven temperatures
with a fan oven the temperature and time is less
if you cook at conventional temperatures in a fan oven most things come out burnt
My wifes cousin cooks 8 sponge cakes at a time in a fan oven and has no poblems at all
I think when we move house, the oven will have to stay behind! Until then, we’ll just have to cook 8 chocolate cakes at a time…it’s a hard life, isn’t it!