Operating instructions/Installation instructions

Problem solving guide
63
Many malfunctions and faults that can occur in daily operation can be easily
remedied. Time and money will be saved because a service call will not be
needed.
The following guide may help you to find the reason for a malfunction or a fault,
and to correct it.
Messages in the display
Problem Cause and remedy
is flashing altern-
ately with in the timer
display and the buzzer
is sounding.
The hob is incorrectly connected.
 Disconnect the hob from the mains electricity sup-
ply.
 Contact the Customer Service Department. The
hob must be connected to the mains according to
the wiring diagram.
After the hob has been
switched on, or after
touching a sensor, 
appears in the timer
display for a few
seconds.
The system lock or safety lock is activated.
 Deactivate the system lock or safety lock (see
“System lock / Safety lock”).
After the hob has been
switched on, appears
briefly in the timer dis-
play. The cooking zones
do not heat up.
The hob is in demonstration mode.
 Touch the 0sensor control on any of the numerical
displays.
 Then touch the and sensor controls at the
same time until flashes alternately with in
the timer display.
The hob has switched
off automatically. When
the element is switched
back on,  appears
above the On/Off
sensor control.
One or more of the sensor controls are covered, e.g.
by finger contact, food boiling over or an object.
 Clean off any dirt and/or remove the object (see
“Safety features” – “Safety switch-off”).
will flash alternately
within the timer
display.
The overheating protection mechanism has been ac-
tivated.
 See “Safety features – Overheating protection”.