1. Important Safety Instructions
When using electrical appliances, basic safety precautions should be followed, including the following:
- Read all instructions before using the appliance.
- Do not operate the oven if the door or door seals are damaged.
- Do not heat liquids or other foods in sealed containers as they are liable to explode.
- Only allow children to use the oven without supervision when adequate instructions have been given so that the child is able to use the oven in a safe way and understands the hazards of improper use.
- Do not use corrosive chemicals or vapors in this appliance.
- Do not use this appliance for commercial purposes.
- Always ensure the turntable is correctly positioned before operation.
2. Product Overview
The Panasonic NN-SN651WAZ is a 1.2 cubic foot countertop microwave oven featuring Inverter Technology for consistent cooking power and a Genius Sensor for automatic adjustments. This section provides a visual overview of the appliance.

Figure 2.1: Front view of the Panasonic NN-SN651WAZ microwave oven, showing the control panel, door, and overall dimensions. The dimensions are approximately 20.68 inches wide, 12.25 inches high, and 15.81 inches deep.
Key Components:
- Control Panel: Features a digital display, number pad, and function buttons for various cooking modes and settings.
- Oven Door: Equipped with a safety interlock system.
- Turntable: A glass tray that rotates to ensure even cooking.
- Oven Interior: Designed for efficient microwave energy distribution.
3. Setup and Installation
3.1 Unpacking
- Remove all packaging materials from inside and outside the oven.
- Inspect the oven for any damage, such as dents or a misaligned door. Do not operate if damaged.
- Remove any protective film from the cabinet surface.
3.2 Placement
- Place the oven on a flat, stable surface strong enough to support its weight.
- Ensure adequate ventilation: leave at least 4 inches (10 cm) of space around the sides, back, and top of the oven for proper airflow.
- Do not block air vents.
- Keep the oven away from heat sources like stoves or radiators.
3.3 Turntable Assembly
- Place the roller ring in the center of the oven cavity floor.
- Place the glass tray securely on top of the roller ring. Ensure it sits properly in the center support.
3.4 Power Connection
- Plug the power cord into a grounded 3-prong electrical outlet.
- The microwave requires a dedicated 120V, 60Hz, 15A circuit.
3.5 Setting the Clock
- Press the Timer/Clock button once.
- Enter the current time using the number pad (e.g., 1-2-3-0 for 12:30).
- Press the Timer/Clock button again to confirm.
4. Operating Instructions
4.1 Basic Microwave Cooking
- Place food in a microwave-safe container on the glass tray.
- Close the oven door securely.
- Enter the desired cooking time using the number pad.
- Press the Power Level button repeatedly to select the desired power level (default is P10, highest).
- Press Start.
4.2 Inverter Technology
This microwave features Panasonic's Inverter Technology, which provides a continuous stream of cooking power at every temperature setting. Unlike traditional microwaves that cycle power on and off, Inverter Technology ensures more evenly cooked food from edges to center, preserving flavor and texture.
Video 4.1: An explanatory video demonstrating the benefits of Inverter Technology in microwave ovens, highlighting even heating and defrosting compared to non-inverter models.
4.3 Genius Sensor Cooking
The built-in Genius Sensor automatically adjusts power levels and cooking or defrosting times by measuring the amount of steam produced by the food. This feature simplifies cooking for various food types.
- Place food in the oven.
- Press the Sensor Cook button.
- Select the desired food category (e.g., Popcorn, Sensor Reheat, Sensor Cook 1-12) using the corresponding buttons or number pad.
- Press Start. The oven will automatically determine the cooking time.
4.4 Inverter Turbo Defrost
This advanced defrosting feature uses Inverter Technology to quickly and evenly defrost food, preventing cooked edges and frozen centers.
- Place frozen food in the oven.
- Press the Inverter Turbo Defrost button.
- Enter the weight of the food using the number pad (in pounds or kilograms, refer to the display).
- Press Start.
4.5 Keep Warm Feature
The Keep Warm feature maintains the temperature of cooked food, such as soups, gravies, or desserts, until you are ready to serve them.
- After cooking, press the Keep Warm button.
- Enter the desired warming time.
- Press Start.
4.6 Child Safety Lock
To prevent unintended operation, especially by children, activate the child safety lock.
- To Activate: Press and hold the Start button for 3 seconds. A lock indicator will appear on the display.
- To Deactivate: Press and hold the Stop/Reset button for 3 seconds. The lock indicator will disappear.
5. Maintenance and Cleaning
5.1 General Cleaning
- Always unplug the oven before cleaning.
- Wipe the exterior with a damp cloth and mild soap. Avoid abrasive cleaners.
- Clean the interior cavity with a damp cloth after each use to prevent food buildup. For stubborn stains, place a bowl of water with lemon juice inside and microwave for a few minutes, then wipe clean.
- The glass turntable and roller ring can be washed in warm, soapy water or in a dishwasher.
- Ensure the door seals and surrounding areas are clean to maintain proper operation.
5.2 Odor Removal
To remove odors from the oven interior, combine 1 cup of water with several lemon slices or 2 tablespoons of white vinegar in a microwave-safe bowl. Microwave on high for 5 minutes, then let it stand in the oven for 10-15 minutes before removing and wiping the interior.
6. Troubleshooting
Before contacting customer service, please refer to the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Oven does not start. | Power cord unplugged; circuit breaker tripped; door not closed properly; child safety lock activated. | Check power cord; reset circuit breaker; ensure door is fully closed; deactivate child safety lock. |
| Food is not heating. | Incorrect cooking time/power level; microwave-safe dish not used; turntable not rotating. | Adjust time/power; use microwave-safe cookware; ensure turntable is correctly placed. |
| Light bulb is out. | Light bulb needs replacement. | Contact qualified service personnel for bulb replacement. |
| Condensation inside oven. | Normal during cooking, especially high-moisture foods. | Wipe interior with a dry cloth after use. |
7. Specifications
Detailed technical specifications for the Panasonic NN-SN651WAZ microwave oven.
| Feature | Detail |
|---|---|
| Brand | Panasonic |
| Model Number | NN-SN651WAZ |
| Capacity | 1.2 Cubic Feet |
| Wattage | 1200 Watts |
| Product Dimensions (D x W x H) | 15.81" x 20.68" x 12.25" |
| Color | White |
| Installation Type | Countertop |
| Material | Aluminum |
| Controller Type | Touch |
| Number of Programs | 12 (Auto Cook Options) |
| Turntable Diameter | 13.5 Inches |
| Special Features | Inverter Technology, Genius Sensor, Child Safety Lock, Keep Warm Feature |
8. Warranty and Support
8.1 Warranty Information
This Panasonic microwave oven is covered by a 1 Year Limited Warranty. Please refer to the warranty card included with your product for full terms and conditions.
8.2 Customer Support
For technical assistance, service, or to order replacement parts, please visit the official Panasonic website or contact their customer support line. Keep your model number (NN-SN651WAZ) and purchase date ready when contacting support.
Online Support: www.panasonic.com