1. Introduction
Thank you for choosing the Aigostar Cris 1.7L Glass Kettle. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new appliance. Please read these instructions thoroughly before first use and keep them for future reference.
This kettle features a 1.7-liter capacity, adjustable temperature settings from 60°C to 100°C with corresponding LED lighting, a removable tea infuser, and a keep-warm function. Its high-quality borosilicate glass and 304 stainless steel construction ensure durability and safety.
2. Important Safety Instructions
- Read all instructions before using the appliance.
- Do not touch hot surfaces. Use handles or knobs.
- To protect against fire, electric shock, and injury to persons, do not immerse cord, plugs, or the kettle 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 support for assistance.
- The use of accessory attachments not recommended by the appliance manufacturer may result in fire, electric shock, or injury to persons.
- Do not use outdoors.
- Do not let cord hang over edge of table or counter, or touch hot surfaces.
- Do not place on or near a hot gas or electric burner, or in a heated oven.
- Always attach plug to appliance first, then plug cord into the wall outlet. To disconnect, turn any control to "off," then remove plug from wall outlet.
- Do not use appliance for other than intended use.
- Extreme caution must be used when moving an appliance containing hot water.
- Ensure the lid is securely closed before operating the kettle.
- Do not fill above the MAX line or below the MIN line to prevent boiling dry or overflow.
- This kettle is equipped with an automatic shut-off and boil-dry protection for safety.
BPA-Free Construction:

The kettle is made with 100% BPA-free materials, ensuring safe and healthy beverages.
3. Product Components
Familiarize yourself with the parts of your Aigostar Cris kettle:
- Kettle Body: Made of high borosilicate glass and 304 stainless steel.
- Lid: Stainless steel with a secure closing mechanism.
- Handle: Heat-resistant for safe pouring.
- Control Panel: Integrated into the handle for temperature selection and power.
- Tea Infuser: Removable stainless steel filter for brewing loose leaf tea.
- Power Base: 360° swivel base with cord storage.
- Water Level Markings: Clear indicators for MIN and MAX fill levels.

Overview of the Aigostar Cris kettle's design and key features.
4. Setup and First Use
- Unpacking: Carefully remove the kettle and all accessories from the packaging. Retain packaging for future storage or transport.
- Placement: Place the power base on a dry, flat, and stable surface away from the edge of the counter.
- Initial Cleaning: Before first use, fill the kettle with clean water to the MAX level. Boil the water, then discard it. Repeat this process 2-3 times to remove any manufacturing residues.
- Cord Management: Unwind the power cord from the base to the desired length and plug it into a grounded electrical outlet.
5. Operating Instructions
5.1 Filling the Kettle
- Open the lid and fill the kettle with the desired amount of water.
- Ensure the water level is between the MIN (0.5L) and MAX (1.7L) markings. Overfilling may cause boiling water to spill out, while underfilling may cause the kettle to boil dry.
- Close the lid securely.
5.2 Temperature Selection and Boiling
The kettle offers 5 adjustable temperature settings, each indicated by a different LED color:
- 60°C (Green LED): Ideal for delicate teas like white tea or scented tea.
- 70°C (Blue LED): Suitable for green tea.
- 80°C (Yellow LED): Recommended for oolong tea or some herbal infusions.
- 90°C (Pink LED): Perfect for coffee or black tea.
- 100°C (Red LED): For boiling water, black tea, or instant noodles.
- Place the kettle onto its power base.
- Press the power button (⏻) once to turn on the kettle. The default temperature is usually 100°C.
- Use the temperature selection buttons (+ / -) to cycle through the desired temperature settings (60°C, 70°C, 80°C, 90°C, 100°C). The LED light will change to indicate the selected temperature.
- The kettle will automatically start heating and the LED light will illuminate. Once the selected temperature is reached, the kettle will automatically shut off.

Control panel for temperature selection and LED color indication.

Recommended temperatures for various beverages.
5.3 Keep Warm Function
To activate the keep warm function:
- After selecting your desired temperature and the kettle has reached it, press and hold the power button (⏻) for approximately 3 seconds.
- The kettle will maintain the water temperature between 85°C and 100°C for up to 2 hours.
- To deactivate, press the power button again or lift the kettle from its base.

The kettle can keep water warm for up to 2 hours.
5.4 Using the Tea Infuser
The removable tea infuser allows you to brew loose leaf tea directly in the kettle.
- Remove the lid and detach the tea infuser by twisting or pulling it gently.
- Add your desired amount of loose leaf tea into the infuser.
- Reinsert the infuser into the kettle and close the lid securely.
- Fill the kettle with water and select the appropriate temperature for your tea (e.g., 70°C for green tea, 90°C for black tea).
- Once the water reaches the set temperature, allow the tea to steep for the recommended time.
- Carefully remove the infuser after brewing to prevent over-steeping.

The integrated tea infuser allows for direct brewing.
6. Maintenance and Cleaning
Regular cleaning and maintenance will prolong the life of your kettle.
6.1 Exterior Cleaning
- Always unplug the kettle and allow it to cool completely before cleaning.
- Wipe the exterior with a soft, damp cloth. Do not use abrasive cleaners or scouring pads, as they may scratch the surface.
- Ensure the power base and electrical connections remain dry.
6.2 Interior Cleaning and Descaling
Mineral deposits (limescale) can build up inside the kettle over time, especially in hard water areas. Descale regularly to maintain performance.
- Fill the kettle with approximately 200 ml of white vinegar.
- Let it stand for 20-30 minutes without heating.
- Boil the vinegar solution for about 5 minutes.
- Discard the solution and rinse the kettle thoroughly with clean water several times.
- For stubborn deposits, a mixture of lemon juice and water can also be used, or a commercial descaling agent following its instructions.

Descaling process for your kettle.
6.3 Tea Infuser Cleaning
- Remove the tea infuser from the kettle.
- Rinse it under running water to remove any tea leaves.
- For thorough cleaning, use a small brush to remove any trapped particles.
7. Troubleshooting
If you encounter any issues with your kettle, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Kettle does not heat up. | Not plugged in; power outage; kettle not properly seated on base; boil-dry protection activated. | Check power connection; ensure kettle is correctly placed on base; allow kettle to cool if boil-dry protection was activated. |
| Water does not reach desired temperature. | Incorrect temperature setting; limescale buildup. | Verify temperature setting; descale the kettle. |
| Kettle leaks. | Overfilled; lid not properly closed; damage to kettle body. | Do not overfill past MAX line; ensure lid is securely closed; if damaged, discontinue use and contact support. |
| Automatic shut-off not working. | Faulty thermostat. | Discontinue use and contact customer support. |
| Unusual odor or taste. | New appliance odor; residues from first use; limescale buildup. | Perform initial cleaning steps again; descale the kettle. |
If the problem persists after trying these solutions, please contact Aigostar customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Aigostar |
| Model Number | 30OSU |
| Capacity | 1.7 Liters |
| Power | 2200 Watts |
| Voltage | 220V |
| Material | High Borosilicate Glass, 304 Stainless Steel |
| Dimensions (L x W x H) | 15.4L x 10.8W x 24H cm |
| Weight | 1.15 Kilograms |
| Special Features | Automatic Shut-off, Temperature Control (60-100°C), Heat-Resistant Handle, Rapid Boil, Removable Tea Infuser, Multi-color LED Lighting, BPA-Free |
| Care Instructions | Hand wash |
| Country of Origin | China |

Key specifications and features of the Aigostar Cris kettle.
9. Warranty and Support
Aigostar is committed to providing high-quality products and excellent customer service.
- Warranty: This product comes with a 2-year warranty from the date of purchase.
- Return Policy: We offer a 30-day return policy.
- Customer Support: For any questions, concerns, or support needs, please contact our customer service team. We aim for a quick response via email within 30 hours and provide lifetime support for a satisfactory solution.

Aigostar customer service commitments.
Please visit our official website or refer to your purchase documentation for specific contact details.
10. Product Videos
10.1 Aigostar Cris Electric Kettle Overview
This video provides a comprehensive overview of the Aigostar Cris Electric Kettle, showcasing its temperature control features, tea infuser, and design. It highlights the various LED colors corresponding to different temperature settings and the convenience of the removable tea infuser.
10.2 Aigostar Cris Glass Kettle Features
This video demonstrates the key features of the Aigostar Cris Glass Kettle, including its variable temperature settings, fast boiling capability, and the practical keep-warm function. It also shows the ease of use for brewing different types of hot beverages.





