V-ZUG CookTop V4000 A604, Operating Instructions Manual, Page: 16 / 24

6 Trouble-shooting
▸ Wipe off with a wet cloth and then polish with a dry cloth or the soft side of a suitable
cleaning sponge.
5.1 Cleaning agent
Glass ceramic with OptiGlass
Unsuitable cleaning agents may attack and damage the coating.
▸ Only use the cleaning agents and methods for glass ceramic
with OptiGlass that we recommend (see page 9).
Glass ceramic with standard glass
▸ Only use the cleaning agents and methods for glass ceramic
that we recommend.
6 Trouble-shooting
You may be able to trouble-shoot the following errors yourself. If not, note down the error
message in full (message and E numbers) and then call Customer Services or report it
to us online.
6.1 Error messages
Display Possible cause Solution
illuminates ▪ The childproof lock is activ-
ated. ▸ See how to operate appli-
ance with childproof lock
activated (see page 13).
▸ Switch the childproof lock
off.
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