Miele SmartLine CS 7101 Operating And Installation Instructions page 14

Warning and Safety instructions

If the appliance has not been used for a long period of time it
should be thoroughly cleaned before it is used again. It is also
advisable to have the appliance tested by a qualified person for
safety.

If you are operating a gas cooking appliance directly next to the
downdraft extractor, the FlameGuard must be placed between the
downdraft extractor and the appliance.
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