Brand: Miele
Category: Fridge-Freezer
Document Type: Manual
Language: EN
Manual for KFN 12823 SD
Uploaded: Nov. 21, 2025, 6:43 p.m.
Manual Publish Date: null
Warranty Information
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Switching on and off
\nSwitching on: Press the master switch (right) or On/Off button (left) on the control panel. The refrigerator display will show the set temperature, and the freezer display and alarm indicator will flash until the correct temperature is reached. The appliance starts cooling, and interior light comes on when the door is opened.
\nSwitching off: Press the master switch until temperature displays go out. Cooling stops, and interior light does not work.
\nSwitching refrigerator section off separately: Press master switch, then press On/Off button for refrigerator section until its display goes out. Freezer section remains active.
\nSwitching off for longer periods: Switch off appliance, unplug, clean, and leave doors ajar.
\nThe correct temperature
\nRefrigerator: Recommended 5 °C.
\nFreezer: -18 °C for freezing and long-term storage. Micro-organisms are halted at this temperature.
\nSetting the temperature: Press the temperature button repeatedly until the desired indicator light illuminates. The display flashes while setting.
\nTroubleshooting and error codes
| Problem | Possible cause | Solution |
|---|---|---|
| Appliance not operating | Appliance not switched on. | Switch on the appliance. |
| Power failure. | Check fuses/circuit breaker. | |
| Mains plug not inserted correctly. | Insert plug. | |
| Compressor is running continuously | "Super freeze" function activated. | Switch off "Super freeze". |
| Appliance is too full. | Remove some contents. | |
| Appliance is too warm. | Check temperature setting. Ensure door is closed properly. Check ventilation. | |
| Too much frost in the freezer | Door not closed properly. | Check door seal. |
| Door opened too often or for too long. | Minimize door opening times. | |
| Too much condensation | Door not closed properly. | Check door seal. |
| Appliance not in correct climate range. | Relocate appliance. | |
| Interior light not working | Appliance is not switched on. | Switch on the appliance. |
| Bulb is faulty. | Replace bulb. | |
| Alarm sounds | Freezer door open for too long. | Close the door. |
| Freezing large amounts of food. | Alarm will stop when temperature is reached. | |
| Temperature too high in freezer. | Check temperature setting. Check door seal. Ensure ventilation is adequate. |