Zanussi ZGG 742 E Instruction Booklet page 22

If after all these checks, your hob still does
not operate correctly, contact your local
Service Force Centre.
Please note that it will be necessary to pro-
vide proof of purchase for any in-guarantee
service calls. In-guarantee customers
should ensure that the above checks have
been made as the engineer will make a
charge if the fault is not a mechanical or
electrical breakdown.
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