Brand: AEG
Category: Refrigerator
Document Type: Manual
Language: EN
Manual for S 75400 KG
Uploaded: April 20, 2026, 7:45 p.m.
Fridge Operation
Temperature Setting: Use buttons (B) and (D) to adjust fridge temperature by 1°C increments. The display shows the desired (flashing) and actual (illuminated) temperatures.
COOLMATIC: Press button (F) for rapid cooling. The function automatically switches off after 6 hours or can be manually deactivated.
Holiday Function: Press button (B) repeatedly until 'H' appears for an energy-saving mode at +15°C. The fridge must be empty.
Freezer Operation
Temperature Setting: Use buttons (I) and (K) to set freezer temperature. The display shows desired (flashing) and actual (illuminated) temperatures.
FROSTMATIC: Press button (H) to accelerate freezing. It auto-deactivates after 52 hours or can be manually turned off.
Alarm Reset: Press button (L) to silence the buzzer during a temperature rise. The warning light continues until the temperature normalizes.
Troubleshooting and error codes
| Problem | Possible cause | Solution |
|---|---|---|
| It is too warm in the refrigerator. | Thermostatic control can be set incorrectly. | Set the thermostat knob to higher position. |
| If products are not cold enough or placed incorrectly. | Place the products according to the chapter "Storing in the refrigerator". | |
| The door does not close tightly or it is not shut properly. | Check if the door closes well and the gasket is unhurt and clean. | |
| It is too warm in the freezer. | Thermostatic control can be set incorrectly. | Set the thermostat knob to higher position. |
| The door does not close tightly or it is not shut properly. | Check if the door closes well and the gasket is unhurt and clean. | |
| Products in big quantity to be frozen were put in. | Wait some hours and then check the temperature again. | |
| Products to be frozen are placed too closely to each other. | Place the products in a way so that cold air could circulate among them. | |
| Water flows at the back plate in the refrigerator. | It is normal. During automatic defrosting frost melts on the back plate. | |
| Water flows into the chamber. | The outlet of the chamber can be clogged up. | Clean the outlet. |
| Products placed in can prevent water from flowing into the collector. | Replace the products so that they can not touch the back plate directly. | |
| Water flows onto the floor. | The melting water outlet flows not into the evaporative tray above the compressor. | Put the melting water outlet to the evaporative tray. |
| There are too much frost and ice. | Products are not wrapped properly. | Wrap the products better. |
| Doors are not shut properly or do not close tightly. | Check if the doors close well and the gaskets are unhurt and clean. | |
| The thermostatic control can be set incorrectly. | Set the thermostat knob to a position that gives higher temperature. | |
| The compressor operates continually. | The thermostatic control is set incorrectly. | Set the thermostat knob to a position that gives higher temperature. |
| Doors are not shut properly or do not close tightly. | Check if the doors close well and the gaskets are unhurt and clean. | |
| Products in big quantity to be frozen were put in. | Wait some hours and then check the temperature again. | |
| Too warm food was put in. | Put food at max. room temperature. | |
| The appliance does not work at all. Neither cooling, nor lighting works. | Plug is not connected to the mains socket properly. | Check the connection. |
| The fuse burnt out. | Change the fuse. | |
| The thermostatic control is not on. | Start the appliance according to instructions in chapter 'Putting it into use'. | |
| The appliance is noisy. | Electrical network broke down. | Get an electrician to check it. |
| The appliance is not supported properly. | Check if the appliance stands stable (all the four feet should be on the floor). |