Miele Oven Operating And Installation Instructions page 11

Technical safety
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Unauthorised installation, maintenance and repairs can cause
considerable danger for the user. Installation, maintenance and
repairs must only be carried out by a Miele authorised technician.
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Never use a damaged oven. It could be dangerous. Check it for
visible signs of damage before using it.
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The electrical safety of this appliance can only be guaranteed
when correctly earthed. It is essential that this standard safety
requirement is met. If in any doubt please have the electrical
installation tested by a qualified electrician.
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To avoid the risk of damage to the oven, make sure that the
connection data on the data plate (voltage and frequency) match
the mains electricity supply before connecting the oven to the
mains. Consult a qualified electrician if in doubt.
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Do not connect the appliance to the mains electricity supply by a
multi-socket unit or an extension lead. These do not guarantee the
required safety of the appliance (fire hazard).
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For safety reasons, this appliance may only be used after it has
been built in.
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The oven must not be used in a non-stationary location (e.g. on a
ship).
Warning and Safety instructions
11