Smeg S45MCX Instructions For Use Manual page 33

GB-IE
When the oven is operating I can hear some strange noises! Check if:
There is any electrical arcing inside the oven caused by foreign
metallic objects (see section on type of ovenware).
The ovenware is touching the oven walls.
There are any loose items of cutlery or cooking tools inside the oven.
The food doesn't heat up or heats very slowly! Check if:
You have inadvertently used metal ovenware.
You have selected the correct operating times and power level.
The food you have put inside the oven is a larger amount or colder
than you usually put in.
The food is too hot, dried out or burnt! Check if:
You selected the correct operating time and power level.
I hear some noises after the cooking process is finished!
This is not a problem. The cooling fan keeps on working for some time.
When the temperature has dropped sufficiently, the fan will switch itself
off.
The oven switches on but the interior light does not go on!
If all the functions work properly it is probable that the lamp has blown.
You can keep on using the oven.
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Instructions for the User