Residual Heat
The determination of how long a cooking zone has residual heat
after operation and switch off – which may lead to burnings
when contacting – is calculated.
Status is calculated depending on:
Selected power stage („0“ bis „9“)
On/Off Time of the Relays
The residual heat indication of each cooking zone remains
activated until the calculated temperature is smaller than + 60 °C.
Automatic Switch-off (Operating Time Limitation)
For each activated cooking zone a max. operating time is
defined. The max. operating time is depending on the selected
cooking stage. After the expiration of the max. operating time
the cooking zone is automatically switched off.
Each actuation of the cooking zone status (changing the cooking
level etc.) resets the count-down timer to the initial starting
value.
Timer settings takes priority vs. operating time limitations for
high cooking stage setting.
Protection against unintentional activation
The electronic system cuts off automatically in case of an
identified permanent use of keys for about 10 seconds. The
control unit releases an audible signal for 10 sec of the
malfunction (period: 1000 msec, 500 msec ON) and the error
code “E R 0 3” flashes on the display (0.5 s ON 0.5s OFF). If the
permanant actuation exceeds 10sec, alone the error code “ER
03“ keeps flashing as long as the malfunction occurs and is
identified as such. In case the cooking zone is at stage “hot“ the
[H] symbol alternates with the error code (0.5 sec Symbol 0.5
sec “H“).
Water sprinkled on the glass surface does not always lead to a
key actuation and cannot be surely detected. ( After wiping the
glass covering the keys, all keys are ready for operation in no
time).
If no cooking zone is activated within 20 sec after pressing
POWER ON, the control unit is reset to Off-mode (black displays).
Key Lock (Optional)
The actuation of the key lock key “4” in the wait or active mode
locks the keyboard and the assigned key-lock LED “7” is
statically illuminated. Here, the actuation times of the key-lock
key have to be taken into account. The control continues to work
in the set mode, but may no longer be operated with any key,
except the key-lock key itself or the on/off key “1”.
The switching OFF with the on/off key “1” is also possible in the
locked condition. The assigned key-lock LED “7” fades when
switching off the control The key-lock function included LED is
active again when switching on (in wait mode 10 s) until this is
deactivated by a repeated actuation of the key-lock key. The
activation/deactivation of the key-lock function in the off mode is
not possible.
When programmed timers expire the respective timer alarms
may be confirmed by actuating any key without needing to
unlock the control.
The repeated actuation of the key-lock key in the wait or active
mode unlocks the keyboard and the assigned key-lock LED
fades. All sensor keys may be operated as usual again.
Acoustic Feedback (Buzzer)
The following activities occurring during operation of the TC unit
are fed back audibly via a buzzer:
Short single tone for regular actuation of a key
Longer, intermittent tone for permanent use of keys over a
longer period of time (≥ 10 sec)
Expiry of the timer
Timer-function (optional)
The timer function is available in two types:
-Stand-alone-timer 1..99 min: Audible signal with timing. This
function can only be activated as long as no cooking zone is in
operation (all stages = 0). Is any cooking zone started with
operation (level >0) than the stand alone timer keeps in
operation. If the timer shall be used to cut off a cooking zone
(see cooking zone timer) then the control must first be switched
off (power sensor) and switched on again.
-Cooking zone timer 1..99 min: This function can only be
activated as long as a cooking is active (stage < 0; display dot).
Audible signal with timing, four cooking zones to be cut off are
freely programmable.
Setting a timer value:
By adjustment with the slider area.
Primarily the adjustment of the first digit takes place and
thereafter the adjustment of the second digit.
Within 10sec after the adjustment of the second digit the value
might be reset. (Illuminated display dot in the timer display and
in case of a cooking zone specific timer a blinking assigned
LED).
In case of an active timer display the timer value may be set to
[0] directly by pressing [0] on the slider area (left side)
Switching of an active timer:
A timer can be switched of by setting its value to 0.
A stand alone timer can be switched of by a double actuation of
the power key “1”.
Timer Stand-Alone:
If the control unit is switched on (all cooking zone displays show
[0]), the stand-alone timer may be activated by pressing the
timer select key. The timer display show “00“. The decimal dot
on the timer display flashes. The timer is cut off after 10 sec
(black display) if no further settings are made. In case of a timer
value is set with no activation of a cooking zone within 10sec,
the cooking zone displays are cut off (interposing relays are also
cut off). Possible optic warnings for hot cooking zones [H] are
displayed permanently
As long as the timer is selected (display dot flashes for 10 sec) it
can be set. The setting range is 0 -99 minutes in single steps;
by Slider area.
Directly after the timer value is set countdown starts with the
last set value. The timer is deselected automatically after 10 sec
and the timer display indicates the timer value. After expiring of
the set time an acoustic signal is given and the timer display
flashes „00“.
The acoustic signal is terminated
-after 2 min and/or
-by actuating any key.
Thereafter timer display stops blinking and extinguishes.
Possible optic warnings for hot cooking zones [H] are displayed
permanently
By pressing the ON/OFF key “1”, the control unit may be
switched from „purely timer operation“ to cooking zone at
any time -with or without an activated Stand-Alone timer -.
Switching back to TC active mode with an active
Stand-Alone timer the timer is selected first (decimal dot on
timer display flashes). After a cooking zone is
selected, the decimal dot disappears from the timer display and
a steady decimal dot on the cooking zone
display flashes on. When switching off the control unit by
ON/OFF key “1”, the Stand-Alone timer – if still in
operation -is also switched off.
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