Miele HR1622 Operating Instructions Manual page 18

IMPORTANT SAFETY INSTRUCTIONS
 WARNING
NEVER cover any slots, holes or passages in the oven bottom or
cover an entire rack with materials such as aluminum foil. Doing
so blocks air flow through the oven and may cause carbon
monoxide poisoning. Aluminum foil linings may also trap heat,
causing a fire hazard.

Broiling food for an excessively long time can cause it to dry out
and may result in the food catching fire.
Do not exceed recommended broiling times.

Some foods dry out very quickly and can be ignited by high
broiling temperatures.
Do not use broiling functions for crisping rolls or bread or to dry
flowers or herbs. Instead use the Conv Bake (Convection Bake) or
Surround functions.

Use caution when using alcohol in your recipes. Alcohol
evaporates at high temperatures but may, in rare circumstances,
combust on the hot heating elements.

Plastic or aluminum foil cookware melts at high temperatures and
can damage the range or start to burn. Do not use any plastic or
aluminum foil cookware.
Exception: You can use oven-safe plastic cookware in the oven.
Heed the cookware manufacturer's instructions.

When residual heat is used to keep food warm, the high level of
humidity and condensation can cause damage in the oven. The
control panel, countertop or cabinetry may also be damaged.
Do not switch the oven off completely while food is inside it, but
select the lowest possible temperature for the oven mode you are
using. This will ensure the fan will automatically continue to run.

It is recommended to cover all cooked food that is left in the oven
to be kept warm. This will prevent moisture from condensing on the
interior of the oven.
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