1. Introduction
Thank you for choosing the Krups F 233 70 Ovomat Egg Cooker. This appliance is designed to cook eggs to your desired consistency quickly and efficiently. To ensure safe operation and optimal performance, please read this instruction manual thoroughly before first use and keep it for future reference.
2. Important Safety Instructions
When using electrical appliances, basic safety precautions should always be followed to reduce the risk of fire, electric shock, and injury to persons, including the following:
- Read all instructions before using the appliance.
- Do not touch hot surfaces. Use handles or knobs.
- To protect against electrical shock, do not immerse the cord, plugs, or the appliance base in water or other liquid.
- Close supervision is necessary when any appliance is used by or near children.
- Unplug from outlet when not in use and before cleaning. Allow to cool before putting on or taking off parts, and before cleaning the appliance.
- Do not operate any appliance with a damaged cord or plug, or after the appliance malfunctions or has been damaged in any manner. Contact customer service for examination, repair, or adjustment.
- The use of accessory attachments not recommended by the appliance manufacturer may cause injuries.
- Do not use outdoors.
- Do not let the cord hang over the edge of a table or counter, or touch hot surfaces.
- Do not place on or near a hot gas or electric burner, or in a heated oven.
- Extreme caution must be used when moving an appliance containing hot oil or other hot liquids.
- Always attach the plug to the appliance first, then plug the cord into the wall outlet. To disconnect, turn any control to 'off', then remove the plug from the wall outlet.
- Do not use the appliance for other than intended use.
- Be aware of hot steam escaping from the lid during and after cooking.
- Always ensure the lid is properly seated before operating.
3. Product Overview
The Krups F 233 70 Ovomat Egg Cooker consists of several key components designed for ease of use.

Figure 1: The complete Krups F 233 70 Ovomat Egg Cooker, highlighting its compact design and main controls.
Components:
- Transparent Lid: Allows observation of the cooking process.
- Egg Tray: Holds up to 7 eggs during cooking.
- Heating Plate: The base where water is added and heated.
- Measuring Cup with Egg Piercer: Used to measure the correct amount of water and to pierce eggs.
- On/Off Switch: Controls the power to the appliance.
- Base Unit: Houses the heating element and electrical components.

Figure 2: The egg cooker in a kitchen setting, illustrating its capacity to cook up to 7 eggs simultaneously.
4. Setup
- Unpack: Carefully remove all packaging materials and dispose of them responsibly.
- Initial Cleaning: Before first use, wash the transparent lid, egg tray, and measuring cup in warm, soapy water. Rinse thoroughly and dry. Wipe the base unit with a damp cloth. Do not immerse the base unit in water.
- Placement: Place the egg cooker on a stable, flat, heat-resistant surface, away from water sources and other heat-generating appliances. Ensure there is adequate ventilation around the unit.
5. Operating Instructions
Follow these steps to cook eggs with your Krups Ovomat Egg Cooker:
- Pierce Eggs: Using the egg piercer located at the bottom of the measuring cup, carefully pierce the large end of each egg. This prevents the eggs from cracking during cooking.
- Add Water: Fill the measuring cup with cold water according to your desired egg consistency (soft, medium, or hard). The measuring cup typically has markings for different consistencies and number of eggs. Pour the measured water onto the heating plate of the egg cooker.
- Place Eggs: Place the egg tray onto the heating plate. Carefully place the pierced eggs into the designated holders on the egg tray, with the pierced end facing upwards. The cooker can hold up to 7 eggs.
- Close Lid: Place the transparent lid securely onto the base unit.
- Connect Power: Plug the power cord into a suitable electrical outlet.
- Start Cooking: Flip the On/Off switch to the 'On' (I) position. The indicator light will illuminate, and the cooking process will begin.
- Monitor Cooking: The egg cooker will automatically turn off once all the water has evaporated, indicating that the eggs are cooked. A buzzer may sound to signal completion.
- Remove Eggs: Carefully switch the appliance to the 'Off' (O) position and unplug it. Using oven mitts or a towel, carefully remove the lid (beware of hot steam) and then the egg tray.
- Cool Eggs (Optional): For easier peeling and to stop the cooking process, immediately rinse the cooked eggs under cold water or place them in an ice bath.
6. Maintenance and Cleaning
Regular cleaning ensures the longevity and hygiene of your egg cooker.
- Unplug and Cool: Always ensure the appliance is unplugged from the power outlet and has completely cooled down before cleaning.
- Lid, Egg Tray, Measuring Cup: These parts can be washed in warm, soapy water. Rinse thoroughly and dry completely. They are generally dishwasher-safe on the top rack, but hand washing is recommended for best care.
- Heating Plate: After use, mineral deposits (limescale) may appear on the heating plate. To clean, wipe with a damp cloth. For stubborn deposits, add a small amount of white vinegar or a descaling solution mixed with water to the heating plate and let it sit for 10-15 minutes. Then, gently scrub with a non-abrasive sponge and rinse with a damp cloth. Do not use abrasive cleaners or scourers.
- Base Unit: Wipe the exterior of the base unit with a soft, damp cloth. Never immerse the base unit in water or any other liquid.
- Storage: Store the clean and dry egg cooker in a safe, dry place.
7. Troubleshooting
If you encounter issues with your egg cooker, refer to the following common problems and solutions:
- Appliance does not turn on:
- Ensure the power cord is securely plugged into a working outlet.
- Check if the On/Off switch is in the 'On' (I) position.
- Verify that the power outlet is functional by testing it with another appliance.
- Eggs are not cooked to desired consistency:
- Too soft: You may need to add slightly more water next time. Ensure the measuring cup is filled accurately.
- Too hard: You may need to add slightly less water next time. Ensure the measuring cup is filled accurately.
- Ensure eggs are pierced correctly to allow steam to cook evenly.
- Limescale buildup on heating plate:
- This is normal, especially in areas with hard water. Refer to the 'Maintenance and Cleaning' section for descaling instructions.
- Eggs crack during cooking:
- Ensure eggs are pierced at the large end before cooking.
- Avoid using eggs directly from the refrigerator; allow them to come to room temperature for a few minutes if possible.
If the problem persists after trying these solutions, please contact Krups customer support.
8. Specifications
Key technical details for the Krups F 233 70 Ovomat Egg Cooker:

Figure 3: This diagram provides the key dimensions of the egg cooker, useful for placement and storage.
| Feature | Detail |
|---|---|
| Brand | Krups |
| Model | F233-70 |
| Color | White |
| Dimensions (L x W x H) | 19.4 x 13.1 x 20.4 cm |
| Weight | 800 g |
| Capacity | 7 eggs |
| Power | 350 W |
| Material | Plastic |
| Energy Efficiency Class | B |
| ASIN | B00008K5ZF |
| UPC | 013591010839, 010942100669 |
9. Warranty and Support
Krups products are designed for durability and performance. This appliance comes with a manufacturer's warranty. Please refer to the warranty card included with your purchase for specific terms and conditions.
Krups is committed to providing high-quality products and offers a 15-year repairability commitment for many of its appliances, including this egg cooker. This commitment ensures that spare parts are available for an extended period, supporting product longevity and reducing waste.
For technical assistance, spare parts, or warranty claims, please visit the official Krups website or contact their customer support service in your region. Contact information can typically be found on the Krups website or in the documentation provided with your product.





