Miele M 6160 TC Operating Instructions Manual page 15

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When heating liquids, milk, sauces etc, using microwave power,
the boiling point of the liquid may be reached without the production
of typical bubbles. The liquid does not boil evenly throughout. This
so-called 'boiling delay' can cause a sudden build-up of bubbles
when the container is removed from the oven or shaken, which can
lead to the liquid boiling over suddenly and explosively. Danger of
burning.
The formation of bubbles can be so strong that the pressure forces
the oven door open. Danger of injury and damage to the appliance.
Stir liquids well before heating. After heating, wait at least
20 seconds before removing the container from the oven. In
addition, during heating a glass rod or similar item, if available, can
be placed in the container.
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To avoid fuelling any flames, do not open the oven door if smoke
occurs inside the appliance.
Interrupt the process by switching the appliance off and disconnect
it from the mains electricity supply.
Do not open the door until the smoke has dispersed.
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Oils and fats can ignite if allowed to overheat. Never leave the
microwave oven unattended when cooking with oil or fats. Do not
use the appliance for deep-fat frying. Never attempt to put out oil or
fat fires with water. Switch the oven off and extinguish the flames by
leaving the door closed.
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Due to the high temperatures radiated, objects left near the
microwave oven when it is in use could catch fire. Do not use the
appliance to heat up the room.
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If using alcohol in your recipes, please be aware that high
temperatures can cause the alcohol to vaporise. The vapour can
catch fire on hot surfaces. Never heat undiluted alcohol in the
microwave, as this can easily ignite. Fire hazard.
Warning and Safety instructions
15