
Service Manual 3
For internal use only
Contents
1. Safety instructions ......................................................................................................... 4
2. Introduction..................................................................................................................... 5
2.1 General.................................................................................................................. 5
2.2 Measuring the temperature ................................................................................... 6
2.3 Air flow................................................................................................................... 7
3. Appliance components .................................................................................................. 8
3.1 Front view.............................................................................................................. 8
3.2 Rear view .............................................................................................................. 9
4. Cooling circuit .............................................................................................................. 10
5. Electric system ............................................................................................................. 11
6. Function chart............................................................................................................... 12
7. How the refrigerators operate ..................................................................................... 13
7.1 IKEF 238-5 .......................................................................................................... 13
7.2 IKEF 248-5 .......................................................................................................... 16
7.3 Acoustic alarm (both models).............................................................................. 17
8. Accessing the components in the keep-fresh cooling zone .................................... 18
8.1 Battery-driven evaporator and evaporator sensor............................................... 18
8.2 0° sensor ............................................................................................................. 19
9. Accessing the components in the refrigerator.......................................................... 20
9.1 Fan and refrigerator sensor................................................................................. 20
9.2 Control panel ....................................................................................................... 22
10. Design for models with an air filter............................................................................. 26
11. Technical features ........................................................................................................ 27
11.1 IKEF 238-5 .......................................................................................................... 27
11.2 IKEF 248-5 .......................................................................................................... 27