Smeg FP131B1 - Manual (Page 21)

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Instructions for the user
10.5 Pyrolysis: automatic oven cleaning
Pyrolysis is an automatic high-temperature cleaning procedure which
causes dirt to dissolve.
Before starting the automatic cleaning cycle, make sure that the oven
does not contain any foods or large spills from previous cooking
operations inside.
During the pyrolysis cycle adoor interlock device makes it impossible to
open the door.
IF THE OVEN IS INSTALLED UNDERNEATH A HOB, MAKE SURE THAT THE
BURNERS OR ELECTRIC PLATES REMAIN OFF DURING THE AUTOMATIC
CLEANING CYCLE.
10.5.1 Before starting the automatic cleaning cycle
Pyrolysis may be carried out at any time of the day or night (if you wish to
benefit from the lower cost of electricity overnight).
Before proceeding, check the following:
• only the baking tray and the oven tray may be left inside the oven
since they will withstand the high temperatures of the pyrolysis
process; all the other accessories must be removed from inside the
oven.
• make sure that the oven door is firmly closed.
When setting the cleaning cycle duration, refer to the chart below:
CLEANING
DURATION
LIGHT DIRT MEDIUM DIRT HEAVY DIRT
90 MIN. 135 MIN. 180 MIN.
During the first automatic cleaning cycle unpleasant smells may occur due
to the normal evaporation of oily manufacturing substances. this is an
absolutely normal phenomenon which disappears after the first cleaning
cycle.
During the automatic cleaning cycle the fans make more noise because
they are running at higher speed. This is an absolutely normal function,
intended to provide more effective heat dispersal. at the end of the
pyrolysis process, the fans continue to run automatically for long enough to
prevent overheating of the sides of the cabinet and the front of the oven.