Miele PW 6163 Operating And Installation Instructions page 8

Warning and Safety instructions
8
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If the detergent compartment drawer is open and any of the dis-
penser drawers are missing, there is a danger of scalding from
splashing water.
Do not operate the machine if any of its components are missing.
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It is particularly important to observe manufacturer's instructions
when using a combination of cleaning agents and special application
products. Products must only be used for applications approved by
the manufacturer to avoid any material damage or the occurrence of
strong chemical reactions.