Miele DG 7440 Operating And Installation Instructions page 9

Technical safety
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Unauthorised installation, maintenance and repairs can cause
considerable danger for the user. Installation, maintenance and re-
pairs must only be carried out by a Miele authorised technician.

Never use a damaged steam oven. It could be dangerous. Check
it for visible signs of damage before using it.

Temporary or permanent operation on an autonomous power sup-
ply system or a power supply system that is not synchronised with
the mains power supply (e.g. island networks, back-up systems) is
possible. A prerequisite for operation is that the power supply sys-
tem complies with the specifications of EN 50160 or an equivalent
standard.
The function and operation of the protective measures provided in
the domestic electrical installation and in this Miele product must
also be maintained in isolated operation or in operation that is not
synchronised with the mains power supply, or these measures must
be replaced by equivalent measures in the installation. As described,
for example, in the current version of BS OHSAS 18001–2 ISO
45001.
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The electrical safety of this appliance can only be guaranteed
when correctly earthed. It is essential that this standard safety re-
quirement is met. If in any doubt please have the electrical installa-
tion tested by a qualified electrician.

Before connecting the appliance to the mains supply, ensure that
the connection data on the data plate (voltage and frequency) match
the mains electricity supply.
This data must correspond in order to avoid the risk of damage to
the appliance. Consult a qualified electrician if in any doubt.
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Do not connect the steam oven to the mains electricity supply by
a multi-socket adapter or an extension lead. These do not guarantee
the required safety of the appliance (fire hazard).
Warning and Safety instructions
9