1. Introduction
Thank you for purchasing the TOSHIBA Stone Dome Steam Oven Range ER-D70A. This appliance combines microwave, oven, and steam functions to offer versatile cooking options. Featuring a 26-liter capacity with a wide and flat interior, it is designed for ease of use and efficient cooking. Please read this manual thoroughly before operation to ensure safe and correct usage, and retain it for future reference.

Image: The TOSHIBA Stone Dome Steam Oven Range ER-D70A, showcasing its sleek white design and compact footprint.
2. Setup
2.1 Unpacking and Placement
Carefully remove the appliance from its packaging. Ensure all packing materials are removed from inside the oven cavity. Place the oven on a stable, level surface. The compact design, with a depth of 39 cm, allows for flexible placement in various kitchen layouts.
2.2 Power Connection
Connect the power cord to a grounded electrical outlet. Ensure the voltage matches the appliance's requirements (100V).
2.3 Initial Cleaning
Before first use, wipe the interior and exterior surfaces with a soft, damp cloth. Ensure the water tray is clean and properly inserted.
3. Operating Instructions
3.1 Microwave Function
The microwave function utilizes an infrared sensor to detect food temperature, allowing for precise heating from -10°C to 90°C. This ensures food is warmed evenly without overheating.
- Precise Warming: Use the infrared sensor to warm dishes to a desired temperature, preventing uneven heating.
- Softening Butter: Set to approximately 20°C to perfectly soften butter for baking.
- Melting Chocolate: Achieve ideal melting consistency for chocolate at around 50°C.
- High Power Heating: For quick reheating, such as rice, the oven can deliver up to 1000W of power. (Note: 1000W operation is for a maximum of 3 minutes, then automatically switches to 600W).

Image: Microwave temperature range for various tasks, from freezing to warming.

Image: A bowl of freshly heated rice, demonstrating the high-power heating capability.
3.2 Oven Function
The oven function allows for baking and roasting with a maximum temperature of 250°C. The oven cavity features 4-sided far-infrared heating (bottom, back, left, right) to ensure thorough cooking from the inside of the food.
- Baking: Prepare various baked goods such as bread and pastries.
- Roasting: Ideal for dishes like hamburgers and gratin, ensuring even cooking.
- Temperature Control: The oven can reach 250°C, but for continuous operation, it automatically switches to 200°C after approximately 5 minutes.

Image: Examples of dishes like hamburger steak and gratin cooked using the oven function.
3.3 Non-Fry Cooking
Enjoy healthier versions of fried foods without the need for oil. The non-fry cooking feature uses hot air circulation to achieve crispy results.
3.4 Steam Cooking
Utilize the square plate steam function to prepare a variety of steamed dishes, such as chawanmushi or other steam oven recipes.
3.5 Speed Menus
The oven range includes various speed menus for quick and convenient cooking. These menus are designed to simplify meal preparation, from appetizers to main dishes.
- Quick Appetizers: Prepare various ingredients quickly and deliciously.
- Frozen Vegetable Menu: Cook commercially available frozen vegetables without them crumbling, ensuring a delicious outcome.

Image: A selection of dishes prepared using the speed menu and frozen vegetable menu functions.
3.6 Toast Function
The toast function allows for single-sided toasting. You can toast up to two slices of bread at a time.
4. Maintenance and Cleaning
4.1 Deodorizing Function
The interior walls (excluding the door and bottom) are coated with a far-infrared deodorizing black coating. This helps to reduce odors after cooking. For persistent odors, run the deodorizing cycle as described in the full manual.
4.2 Cleaning the Water Tray
The water tray is removable for easy cleaning. Regularly remove and wash the water tray to prevent scale buildup and maintain hygiene.
4.3 General Cleaning
Wipe the interior and exterior of the appliance with a soft, damp cloth after each use. For stubborn stains, use a mild detergent and rinse thoroughly. Avoid abrasive cleaners or scouring pads, as they can damage the surfaces.
5. Troubleshooting
If you encounter any issues with your TOSHIBA Stone Dome Steam Oven Range ER-D70A, please refer to the following general guidelines. For detailed troubleshooting steps and error codes, consult the comprehensive user manual provided with your product.
- Appliance does not turn on: Check if the power cord is securely plugged into a working electrical outlet. Ensure there is no power outage.
- Food is not heating: Verify that the door is closed properly. Check if the correct cooking mode and time have been selected. Ensure the food is placed correctly inside the oven.
- Unusual noises or odors: Discontinue use and unplug the appliance. Contact customer support if the issue persists after checking for any obstructions or food spills.
If the problem cannot be resolved, please contact TOSHIBA customer support.
6. Specifications
| Model Number | ER-D70A |
| Capacity | 26 Liters |
| External Dimensions (W x D x H) | 48 cm x 39 cm x 35 cm |
| Effective Internal Dimensions (W x D x H) | 37.6 cm x 32 cm x 19.8 cm |
| Weight | Approx. 14 kg |
| Power Consumption | 1430 W |
| Voltage | 100 V |
| Other Functions | Grill, One-touch button, Automatic cooking, Defrost |
7. Warranty and Support
7.1 Manufacturer's Warranty
This product comes with a manufacturer's warranty of 1 year from the date of delivery. A delivery note or proof of purchase is required for warranty claims. The warranty is limited to use within Japan.
7.2 Customer Support
For any inquiries, technical assistance, or warranty claims, please contact TOSHIBA customer support. Refer to the contact information provided in your product packaging or on the official TOSHIBA website.





