DESIGNED TO PERFECTION
Key Lock
The key lock functionality is for blocking and setting the appliance into a locked mode during operation. Touch
modifications (e.g. increase heat settings) and others will not be possible. It is only possible to switch the
appliance off.
The lock function is activated if
Key Lock
is pressed for at least 2 seconds. This operation is acknowledged
with an audible beep. Once successful, the
Key Lock Indicator
flashes and the cooktop is locked. The cooktop
can only be locked when in
Operating Mode
.
If the cooktop is locked, only can be operated and all other buttons are blocked. If any other button is
touched while in the locked mode, the beeping signal sounds and the
Key Lock Indicator
flashes as indication
for the activated key lock functionality. Once switched off, the appliance can not be restarted again without
unlocking first.
After pressing for 2 seconds, the
Key Lock Indicator
disappears. This unlocks the cooktop controls so it can
be operated normally.
TOUCH CONTROL SAFETY FUNCTIONS
The following safety functions are available to avoid unintended operations of the cooktop control:
Hotplate Safety Cut Off
To prevent the appliance from unwanted, random button operation, a sensor monitoring is included.
In the case of one or more buttons being pressed longer than 12 seconds, the sensor monitoring routine
indicates acoustically that an “error” (pot or other object placed on the button, sensor failure, etc.) has occurred
and switches off the appliance.
If residual heat is present, it will be displayed in all other Heat Level Displays with a red “H”.
Over Temperature Switch Off
Because the controls are very close to the hotplates on the right side of the cooktop, it is possible that a pot can
be placed half on the control and not sensed by the sensor safety cut off (not covering a sensor). This can
cause the cooktop to heat up to a very high temperature, which makes the glass and the buttons untouchable
without burning a finger.
To prevent the cooktop control unit from damage caused by overheating, a temperature sensor is available on
the touch control unit which will turn the appliance off when overheating occurs.
Operating Time Limitation
The cooktop control has a limitation on the operating time. If the heat setting for a hotplate has not been
changed for a certain time, then the hotplate will turn off automatically (a “0“ is displayed for 10 seconds, then
the residual heat sign “H” is displayed). The limit of the operating time depends on the selected heat setting.
After an automatic turn off of a hotplate (as described above) the hotplate is operable again and the maximum
operating time for this heat setting is re-applied.
Residual Heat Functions
After all cooking processes there is some heat stored in the vitroceramic glass called residual heat. The control
can calculate roughly how hot the glass is in the worst case. If the calculated temperature is higher than + 60 °
C, then this will be indicated in the corresponding Heat Level Display after the hotplate control has turned off
with a red “H”. The residual heat display is shown as long as the calculated heater temperature is > + 60 ° C.
The display of the residual heat has the lowest priority and is overwritten by every other display value, during
safety turn offs and the display of an error code.
When the supply voltage is re-applied to the cooktop after an interruption to the supply voltage, the residual
heat display flashes if the corresponding hotplate had a residual heat of g 60 ° C before the power
interruption occurred. The display will flash until the maximum residual heat time has expired or the hotplate
has been selected and activated.
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