Foster NFI 6830 Mode D'emploi page 37

doesn't mean any failure on the appliance and doesn't influence the cooking operating.
The pans must be certified by the manufacturer as compatible with induction hobs.
However, it is possible that certain pans, even though declared compatible, may have
characteristics which are not adapted to be used with induction hobs.
We recommend to verify, when purchasing the pans, that they respect at least the following
conditions:
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