Gram MO 1770 G, Instruction Manual, Page: 11 / 44

11
COOKWARE
WARNING
Risk of injury. Tightly closed con-
tainers may explode. Closed con-
tainers must be opened and plastic
bags pierced before cooking.
Materials that can be used and materials to
be avoided in the microwave oven.
The use of some non-metallic cookware
may not be safe in the microwave oven.
If in doubt, you can check the cookware
following this procedure.
Testing the cookware:
1. Fill the microwave-safe cookware with 1 cup of cold water (250 ml), and do the same
with the test cookware.
2. Operate the oven with the maximum power for 1 minute.
3. Carefully touch the test cookware. If the test cookware is hot, do not use it in the micro-
wave oven.
4. Do not exceed 1 minute cooking time.
Cookware Comments
Aluminium tray
May cause an electric arc. Transfer food to microwave-safe
cookware.
Cardboard carton with metal
handle
May cause an electric arc. Transfer food to microwave-safe
cookware.
Metal or cookware with
metal frame
Metal shields the food from microwave energy. Metal frame
can cause an electric arc.
Metal closure - tightened May cause an electric arc and fire in the oven.
Paper bags May cause a fire in the oven.
Plastic foam
Plastic foam may melt or contaminate the liquid in it when
exposed to high temperatures.
Wood
Wood dries out when it is heated in the microwave oven and
can crack or break.
Materials that cannot be used in a microwave oven
Materials that can be used in a microwave oven
Cookware Comments
Aluminium foil Only as shielding. Small and smooth pieces can be used for the coating of thin
pieces of meat or poultry, to prevent excessive cooking. Arc discharge may
occur if the foil is too close to the oven walls. Film must be at least at a distance
of 2.5 cm from the oven walls.