Smeg SC166PZ - Manual (Page 16)

Instructions for the user
4.2 Cooling system (on some models only)
The oven is equipped with a cooling system
which automatically comes on upon the oven
being turned on.
Fans cause a steady outflow of air from above
the door which may continue for a brief period of
time even after the oven has been turned off.
4.3 Oven light
On all models, it is switched on by turning the function selector knob to
any function. On some models it also switches on when the oven door is
opened.
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