1. Introduction
The KikkaBoo CALDO 4-in-1 Electric Bottle Warmer is a versatile appliance designed to simplify daily baby care. This device offers four essential functions: rapid milk warming, food warming, sterilization, and defrosting. It features an intuitive touch screen, precise temperature control, and a keep-warm function, ensuring your baby's milk or food is always at the ideal temperature. Constructed from high-quality, BPA-free materials, the CALDO meets all safety standards. Its compact design and compatibility with most standard bottles and jars make it a practical tool for any parent.
2. Safety Instructions
Please read all instructions carefully before using the appliance. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Always place the appliance on a stable, heat-resistant surface.
- Do not immerse the appliance, cord, or plug in water or other liquids.
- Keep out of reach of children. This appliance is not a toy.
- Unplug from the outlet when not in use and before cleaning.
- Do not operate any appliance with a damaged cord or plug, or after the appliance malfunctions or has been damaged in any manner.
- Use only accessories recommended by the manufacturer.
- Always check the temperature of the warmed milk or food before feeding your baby.
- Ensure the voltage indicated on the appliance corresponds to your local mains voltage before connecting.
- Do not use the appliance outdoors.
3. Product Components
The KikkaBoo CALDO 4-in-1 Electric Bottle Warmer includes the following components:
- Main heating unit with touch control panel
- Basket for bottles/jars
- Protective cover

Image: The KikkaBoo CALDO 4-in-1 Electric Bottle Warmer, showing the main unit, the basket inside, and the protective cover.
4. Setup and First Use
- Unpack: Carefully remove all components from the packaging.
- Clean: Before first use, clean the basket and cover with warm soapy water. Wipe the main unit with a damp cloth. Do not immerse the main unit in water.
- Placement: Place the appliance on a flat, stable, and dry surface, away from heat sources and direct sunlight.
- Fill with Water: Pour clean water into the heating chamber, ensuring it does not exceed the maximum fill line. The water level should be appropriate for the item being warmed or sterilized.
- Connect Power: Plug the power cord into a suitable electrical outlet. The display will illuminate.
5. Operating Instructions
The CALDO features an intuitive touch screen for easy operation. The main functions are:

Image: Display illustrating the four primary functions of the CALDO warmer: Milk Warming (35-60°C), Food Warming (50-80°C), Defrosting (32-42°C), and Sterilization (100°C).

Image: Close-up of the control panel highlighting features like temperature control, smart touch screen, integrated timer, and keep-warm function.
5.1. Rapid Milk Warming
This mode is ideal for quickly warming breast milk or formula to a suitable feeding temperature (typically 35-60°C).
- Place the bottle with milk into the basket and then into the heating chamber.
- Add water to the chamber, ensuring it reaches the level of the milk in the bottle.
- Select the "Milk Warming" icon on the touch screen.
- Adjust the desired temperature using the +/- buttons.
- The device will begin warming and automatically switch to the keep-warm function once the target temperature is reached.
5.2. Food Warming
Use this function to warm baby food jars or containers (typically 50-80°C).
- Place the baby food jar or container into the basket and then into the heating chamber.
- Add water to the chamber, ensuring it surrounds the food container.
- Select the "Food Warming" icon on the touch screen.
- Adjust the desired temperature using the +/- buttons.
- The device will warm the food and maintain the set temperature.

Image: The CALDO warmer demonstrating its compatibility with various items: baby food jars, breast milk storage bags, and standard baby bottles.
5.3. Defrosting
This mode gently thaws frozen breast milk or baby food (typically 32-42°C).
- Place the frozen item (bottle or container) into the basket and then into the heating chamber.
- Add water to the chamber.
- Select the "Defrosting" icon on the touch screen.
- The device will gently defrost the contents. Monitor the process to ensure even thawing.
5.4. Sterilization
Sterilize baby bottles, nipples, and small accessories using steam (100°C).
- Ensure bottles and accessories are clean before sterilization.
- Place the items upside down in the basket.
- Pour approximately 100ml of clean water into the heating chamber.
- Place the basket with items into the chamber and cover with the protective lid.
- Select the "Sterilization" icon on the touch screen.
- The device will heat the water to produce steam for sterilization. The cycle duration is preset.
- After the cycle, allow items to cool before handling. Use tongs to remove hot items.

Image: The CALDO warmer with a bottle and basket, illustrating its use for sterilization and cleaning accessories.
5.5. Keep Warm Function
This function automatically activates after warming cycles or can be set independently to maintain a desired temperature for an extended period.
- After a warming cycle, the device will automatically enter keep-warm mode at the set temperature.
- To activate independently, place the bottle/food in the chamber with water, select the "Keep Warm" icon, and set the desired temperature and duration.
6. Maintenance and Cleaning
Regular cleaning ensures optimal performance and hygiene of your KikkaBoo CALDO warmer.
- Unplug: Always unplug the appliance and allow it to cool completely before cleaning.
- Main Unit: Wipe the exterior of the main unit with a damp cloth. Do not use abrasive cleaners or immerse the unit in water.
- Heating Chamber: To clean the heating chamber, wipe it with a damp cloth. For mineral deposits (limescale), use a descaling solution suitable for baby products or a mixture of white vinegar and water. Fill the chamber with the solution, let it sit for 30 minutes (or as per descaler instructions), then rinse thoroughly.
- Basket and Cover: The basket and cover can be washed in warm soapy water or placed on the top rack of a dishwasher. Rinse thoroughly.
- Storage: Store the clean and dry appliance in a cool, dry place.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Appliance does not turn on. | Not plugged in; power outlet malfunction. | Ensure the power cord is securely plugged into a working outlet. |
| Milk/Food not warming. | Insufficient water; incorrect mode selected; item not properly placed. | Add sufficient water. Select the correct warming mode. Ensure the bottle/jar is correctly positioned in the basket. |
| Sterilization not effective. | Insufficient water for steam; items not clean before sterilization. | Ensure 100ml of water is added for sterilization. Pre-clean all items thoroughly before sterilizing. |
| Limescale buildup. | Hard water usage. | Descale the heating chamber regularly as per maintenance instructions. |
8. Specifications
- Model Number: 31304020016
- Functions: Rapid Milk Warming, Food Warming, Defrosting, Sterilization, Keep Warm
- Materials: Polypropylene, Stainless Steel, ABS (BPA-free)
- Dimensions (L x W x H): 12.6 x 13.7 x 29.8 cm
- Weight: 630 grams
- Input Voltage: (Not specified in JSON, assume standard for region)
- Power Consumption: (Not specified in JSON)
- Bottle Compatibility: Fits most standard bottles and jars (7.5 cm diameter)
9. Warranty and Support
For warranty information, please refer to the documentation provided with your purchase or contact KikkaBoo customer support. If you encounter any issues not covered in this manual, please reach out to the retailer or manufacturer for assistance.
KikkaBoo Official Website: kikkaboo.com





