Miele KM 6304 Operating And Installation Instructions page 9

~
Danger of electric shock.
Do not use the cooktop if it is faulty, or if the ceramic surface is
cracked, chipped or damaged in any way. Switch it off immediately,
and disconnect it from the mains electricity supply.
~
In areas which may be subject to infestation by cockroaches or
other vermin, pay particular attention to keeping the appliance and
its surroundings clean at all times. Any damage caused by
cockroaches or other vermin will not be covered by the warranty.
Warning and Safety instructions
9