18 Troubleshooting
Troubleshooting chart

Problem Possible causes What to do

Cooking zones cannot be
turned on.
No power. Make sure the cooktop is
connected to the power supply
and that it is switched on at the
wall. Check whether there is
a power outage in your home
or area. If you’ve checked
everything and the problem
persists, call your Authorised
Repairer or Customer Care.
Cooking zones seem to
turn themselves off and
on during use.
They cycle off and on to maintain
the selected setting or prevent the
glass from overheating.
This is normal and needs no
action.
There is a metal sheen on
the glass.
Cookware with copper or
aluminium base.
See ‘Care and cleaning’.
The glass is being
scratched.
Rough-edged cookware.
Unsuitable, abrasive scourer
being used.
Use cookware with flat and
smooth bases. See ‘Cooking
guidelines’.
See ‘Care and cleaning’.
Cooking zones cannot be
turned off.
Technical fault. Switch the power to the
cooktop off at the wall and call
your Authorised Repairer or
Customer Care.