Miele H6160B Operating And Installation Instructions page 18

Warning and Safety instructions
Accessories
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Only use genuine original Miele accessories and spare parts with
this appliance. Using accessories or spare parts from other
manufacturers will invalidate the guarantee, and Miele cannot
accept liability.
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If you have a Miele HUB 5000-M, HUB 5001-M or a HUB 5000-XL
oven dish, do not place it on Shelf level 1.
This would damage the floor of the oven. The very small gap
between the bottom of the dish and the oven floor would cause a
build-up of heat and could cause the enamel to crack or chip.
Never place a Miele oven dish on the top rail of Shelf level 1 as it will
not be held securely in this position by the anti-tip notches on the
runners.
In general it is best to use Shelf level 2.
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