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heating operation is turned off, or if more than 50 seconds have passed since the last
adjustment.
If you block the unit by master appliance (NA entry) the display will show „EXT BLOCKED”.
If the fault occurs the display will show icon and error message.
Error messages:
• ER>T INLET - inlet sensor failure,
• ER> T MAX - temperature has exceeded the maximum value,
• ER> AIR 1 - air bubbles in the heating box - equipment detection,
• ER> AIR 2 - air bubbles in the heating box - program detection.
If the display shows ER> T MAX, ER> AIR 1 or ER> AIR 2 the unit will stop heating.
The unit will not heat again until the failure is resolved and the appropriate value of
water ow is reached.
Temperature adjustment
The current temperature is displayed on LCD. Turn the knob to the right to increase the
temperature value, or to the left to decrease it.
Push the knob to read the temperature value that is stored in memory. Push it again to
read the next stored value. You can switch between the following settings: „ECO”,„SINK”
and „BATH”.
To change the temperature setting in memory:
• select the temperature setting by pushing the control knob,
• push the knob and keep for about 3 seconds until the value starts to ashing,
• turn the knob to adjust the value,
• push the knob to save the value.
Notice: save the new value within 10 seconds, otherwise you will lose it.
KDE5 Operation
The heater switches on automatically straight after reaching
the ow rate over 2,5 l/min. The temperature control system
adjusts the power rate according to the water ow rate,
required temperature and the temperature of water in the
mains. The LCD backlight and icon signalises the heating
operation. If the unit reach the maximum power value which
is too low for a given operating conditions the
LCD display will show ickering icon . The LED display
backlight also turns on while pushing or turning the setting
knob. The backlight will automatically turn off when the
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