Care and maintenance
Switching the appliance off
GB
Disconnect your appliance from the electricity supply
before carrying out any work on it.
Cleaning the appliance
Do not use abrasive or corrosive detergents
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(for example, products in spray cans for cleaning
barbecues and ovens), stain removers, anti-rust
products, powder detergents or sponges with abrasive
surfaces: these may scratch the surface beyond repair.
Never use steam cleaners or pressure cleaners on the
!
appliance.
• It is usually sufficient simply to wash the hob using
a damp sponge and dry it with absorbent kitchen
towel.
• If the hob is particularly dirty, rub it with a special
glass ceramic cleaning product, then rinse well and
dry thoroughly.
• To remove more stubborn dirt, use a suitable
scraper. Remove spills as soon as possible, without
waiting for the appliance to cool, to avoid residues
forming crusty deposits. You can achieve excellent
results by using a rust-proof steel wire sponge -
specifically designed for glass ceramic surfaces -
soaked in soapy water.
• If any plastic or sugary substances are accidentally
melted on the hob, remove them immediately with
the scraper, while the surface is still hot.
Technical description of the models
This table provides a model-by-model list of the energy absorption values, type of heating elements and diameters
of each cooking zone.
Hobs
Cooking zone
Back Left
Back Right
Front Left
Front Right
Total power
Key:
H = single hilight
14
NRB 640 X
NRB 640 B
Power (W)
Diameter (mm)
H 2300
H 1400
H 1200
H 1800
6700
• Once it is clean, the hob may be treated with
a special protective maintenance product: the
invisible film left by this product protects the surface
from drips during cooking. This maintenance task
should be carried out while the appliance is warm
(not hot) or cold.
• Always remember to rinse the appliance well with
clean water and dry it thoroughly: residues can
become encrusted during subsequent cooking
processes.
Stainless steel frame (only in models with outer frame)
Stainless steel can be marked by hard water which has
been left on the surface for a long time, or by cleaning
products containing phosphorus.
After cleaning, it is advisable to rinse the surface well
and dry it thoroughly. If water is spilt on the surface,
dry it quickly and thoroughly.
!
Some hobs have an aluminium frame which is
similar to stainless steel. Do not use any cleaning or
degreasing products which are not suitable for use
with aluminium.
Disassembling the hob
If it is necessary to disassemble the hob:
1. Loosen the screws fixing the alignment springs on
each side.
2. Loosen the screws holding the fixing hooks in each
corner.
3. Take the hob out of its installation cavity.
Do not attempt to repair the appliance yourself. If the
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appliance breaks down, contact a Service Centre.
210
160
145
180