Miele KFN 37692 iDE Operating And Installation Instructions page 17

Cleaning and care
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Do not use any oils or grease on the door seals, as these will
cause the seals to deteriorate and become porous with time.
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Do not use a steam cleaning appliance to clean or defrost this
appliance. Steam could reach electrical components and cause a
short circuit.
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Do not use sharp edged objects to
– remove frost and ice,
– lift food.
They will damage the evaporator, causing irreversible damage to
the appliance.
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Never place electric heaters or candles in the appliance to
defrost it. These can damage the plastic parts.
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Do not use defrosting sprays or de-icers, as they could contain
substances which could damage the plastic parts and which may
cause the build up of gases and pose a danger to health.
Warning and Safety instructions
17