Operation and function
Electronic controls
The electronic controls ensure that the set temperatures are maintained at
the top and bottom of the cabinet. This is accomplished by complex control
of the refrigerating system the heating element and the fan. Following any
power failure, the temperature settings are automatically recalled.
The electronic controls have the following functions:
• Temperature setting
• Temperature display
• Automatic defrosting
• Fault-finding, emergency and service programs
• Low-temperature alarm
On/off switch
The light switch is used to select either continuous illumination or
illumination only when the door is opened.
Temperature display
The display shows the actual temperature at the top or bottom of the cabinet.
To switch the display between the top and bottom sections, short-press the
top and bottom buttons respectively, which section is shown is indicated by a
line of light in the display just beside the buttons. The temperature display has
a built-in filter that simulates the actual temperature in the bottles. The
displayed temperature is therefore not affected by transient fluctuations in air
temperature.
Temperature setting
The temperature is set using the two buttons on the control panel. The upper
button is used to set the temperature at the top of the cabinet. The lower
button is used to set the temperature at the bottom. Deactivate the childproof
lock by pressing the button for 3 seconds. The display then starts flashing
On/off switch
9
Light switch
Fig. 9