Service Manual Contents Safety instructions ......................4 Repair instructions ......................5 Operation......................... 6 Main switch......................6 Temperature display....................6 Temperature setting range ..................6 Refrigerator section Super button ................. 6 Components........................7 Refrigerator fan (if present) ................... 7 Heating the refrigerator section ................7 NTC sensor ......................
Service Manual Safety instructions Danger! Repairs may only be carried out by a qualified electrician! Improper repairs can be extremely dangerous for the user. It is essential that you observe the following instructions in order to prevent electric shocks: • The casing and the frame may be live in the event of faults! •...
Service Manual Repair instructions • Never attempt to carry out repairs by “randomly replacing” components! • Always proceed systematically and observe the technical documentation that goes with the appli- ance! • Electronic circuit boards are generally not repaired; instead they are completely replaced with original spare parts.
Service Manual Operation 1. Main switch 2. Super LED button 3. Temperature display 4. Temperature adjuster Main switch The main switch is used to switch the refrigerator on and off. Temperature display The temperature in the refrigerator section is shown with the LED chain. The selected target temperature is always shown.
Service Manual Components Refrigerator fan (if present) ♦ The fan will always be switched off when the door of the refrigerator section is open. ♦ The fan is switched on when the refrigerator section is being defrosted. ♦ When the room temperature is 27°C to 40°C the fan will clock (12min on / 20min off) if the com- pressor is operating.
Service Manual Sensor readings Temp. R kOhm Temp. R kOhm Temp. R kOhm Temp. R kOhm in °C in °C in °C in °C 169.1 45.87 14.75 5.46 158.19 43.31 14.03 5.22 148.06 40.92 13.35 4.99 138.66 38.67 12.69 4.78 129.93 36.49 12.07...
Service Manual Functions Refrigeration system The evaporators for the freezer section and the refrigerator section are supplied one after the other with refrigerant. However, only the refrigerator section is regulated. This means that the freezer section is de- pendent on the operating time of the refrigerator section. The freezer section cannot be regulated. 1.
Service Manual Defrosting the refrigerator section Commencement of a defrost phase: ♦ After 12h of compressor operation. ♦ After 10h of continuous compressor operation. ♦ After 2h if the evaporator sensor shows below 8°C. The refrigerator section is initially not supplied for with power for 20min. Then the process will wait until the refrigerator section sensor has reached 8°C and the evaporator sen- sor 6.5°C or until 3h have passed.
Service Manual Repairs Remove the regulator/light combination ♦ Shift the cover cap to the left. ♦ Undo the screws. ♦ Shift the complete regulator/light combination to the right. ♦ Assembly is carried out in reverse order. For internal use only...
Service Manual Trouble shooting Lack of refrigerant A lack of refrigerant will initially make itself felt in the refrigerator section of this appliance. In a single-circuit system, the refrigerant will firstly flow through the freezer evaporator and then into the refrigerator section evaporator.
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