1. Important Safety Instructions
Read all instructions carefully before using the appliance. Keep this manual for future reference. Failure to follow these instructions may result in electric shock, fire, or injury.
- Do not attempt to operate this oven with the door open as this can result in harmful exposure to microwave energy.
- Do not place any object between the oven front face and the door or allow soil or cleaner residue to accumulate on sealing surfaces.
- Do not operate the oven if it is damaged. It is particularly important that the oven door closes properly and that there is no damage to the: (1) door (bent), (2) hinges and latches (broken or loosened), (3) door seals and sealing surfaces.
- The oven should not be adjusted or repaired by anyone except properly qualified service personnel.
- Ensure the appliance is properly grounded.
- Do not use corrosive chemicals or vapors in this appliance.
- Always use microwave-safe cookware.
- Supervise children when they are using the microwave oven.
2. Product Overview
The Panasonic NN-ST34NB is a 25-liter solo microwave oven designed for efficient heating and defrosting. It features a compact design, 900W power output, and user-friendly touch controls.

Image: Front view of the Panasonic NN-ST34NB microwave oven with a bowl of pasta heating inside, illustrating its operational state.

Image: A close-up view of the microwave's control panel, highlighting the white LED display showing "10:00" and various function buttons.
3. Setup and Installation
3.1 Unpacking
- Remove all packaging materials from the oven cavity and accessories.
- Inspect the oven for any damage, such as dents or a misaligned door. Do not operate if damaged.
- Ensure all accessories are present: turntable, roller ring.
3.2 Placement
Place the microwave oven on a flat, stable surface, such as a countertop, that can support its weight and the heaviest food item likely to be cooked in it.
- Maintain a minimum clearance of 20 cm (8 inches) above the oven, 10 cm (4 inches) at the rear, and 5 cm (2 inches) on both sides for proper ventilation.
- Do not block any ventilation openings.
- Keep the oven away from heat and steam sources.

Image: The Panasonic NN-ST34NB microwave oven positioned on a clean kitchen countertop, demonstrating appropriate placement.

Image: A diagram illustrating the exterior dimensions of the microwave oven: 469mm width, 380mm depth, and 280mm height, useful for placement planning.
3.3 Power Connection
- Plug the power cord into a properly grounded electrical outlet (220 Volts).
- Do not use extension cords or adapters.
3.4 Turntable Installation
- Place the roller ring in the center of the oven cavity.
- Position the glass turntable securely on top of the roller ring. Ensure it rotates freely.

Image: An interior view of the microwave oven, highlighting the dimensions of the cavity (32.9cm width, 32.6cm depth, 23.6cm height) and the 28.8cm wide turntable.
4. Operating Instructions
4.1 Basic Microwave Cooking
- Place food in a microwave-safe container on the turntable.
- Close the oven door firmly.
- Press the "Micro Power" button repeatedly to select the desired power level (e.g., High, Medium, Low). The oven has 5 adjustable power levels.
- Use the "10 min", "1 min", or "10 sec" buttons to set the cooking time.
- Press "Start/Set" to begin cooking.

Image: The microwave's control panel, indicating the "Micro Power" button for 5-step power adjustment and the "Auto Menu" button for 10 pre-set menus.
4.2 Quick 30 Function
This function allows for quick heating in 30-second increments.
- Place food in the oven.
- Press the "Quick 30" button. Each press adds 30 seconds of cooking time at full power, up to a maximum of 5 minutes.
- The oven will start automatically.

Image: A close-up of the control panel, pointing out the "Quick 30" button and the "Add time" function buttons (10 min, 1 min, 10 sec).
4.3 Auto Defrost
The Auto Defrost function allows for efficient defrosting while preserving food flavor.
- Place the frozen food in the oven.
- Press the "Auto Defrost" button.
- Use the "Up" or "Down" buttons to select the weight or type of food for defrosting.
- Press "Start/Set" to begin.

Image: A bowl filled with frozen mixed berries, illustrating food suitable for the Auto Defrost function.
4.4 Auto Menu
The oven includes 10 pre-programmed auto menus for various food types.
- Place food in the oven.
- Press the "Auto Menu" button repeatedly to cycle through the available menus.
- Use the "Up" or "Down" buttons to adjust the quantity or weight if prompted.
- Press "Start/Set" to begin.

Image: A hand pressing the "Auto Menu" button on the microwave's control panel, demonstrating interaction with the pre-programmed settings.
4.5 Setting the Clock
Instructions for setting the current time on the oven's display.
- Press the "Timer/Clock" button once.
- Use the "10 min", "1 min", and "10 sec" buttons to set the hour and minute.
- Press "Timer/Clock" again to confirm.
4.6 Child Safety Lock
The child safety lock prevents unintended operation of the microwave oven.
- To activate: Press and hold the "Stop/Reset" button for approximately 3 seconds until "LOCK" appears on the display.
- To deactivate: Press and hold the "Stop/Reset" button again for approximately 3 seconds until "LOCK" disappears.
4.7 Opening the Door
The oven door opens by pressing the integrated push button located at the bottom right of the control panel.

Image: A hand pressing the push-button door release located below the control panel, demonstrating how to open the microwave door.
5. Maintenance and Cleaning
Regular cleaning and maintenance ensure optimal performance and extend the lifespan of your microwave oven.
5.1 Exterior Cleaning
- Wipe the exterior with a soft, damp cloth.
- Do not use abrasive cleaners or harsh chemicals.
5.2 Interior Cleaning
- Clean the oven cavity immediately after use to prevent food spills from drying and hardening.
- Wipe with a soft, damp cloth and mild detergent.
- For stubborn stains, place a bowl of water with lemon slices inside and heat for 2-3 minutes. The steam will loosen the residue, making it easier to wipe clean.
- Ensure the door seals and sealing surfaces are clean to maintain proper operation.
5.3 Turntable and Roller Ring
- The glass turntable and roller ring can be removed for cleaning.
- Wash them in warm, soapy water or in the dishwasher.
- Ensure they are completely dry before placing them back in the oven.
6. Troubleshooting
If you encounter issues with your microwave oven, refer to the following common problems and solutions before contacting service.
| Problem | Possible Cause | Solution |
|---|---|---|
| Oven does not start |
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| Food not heating |
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| Turntable not rotating |
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| Display shows error code | Internal malfunction. | Unplug the oven for 1 minute, then plug it back in. If the error persists, contact customer support. |
If the problem persists after attempting these solutions, please contact Panasonic customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Panasonic |
| Model Info | NN-ST34NB |
| Capacity | 25 Liters |
| Wattage (Energy Use) | 900 Watts |
| Product Dimensions (L x W x H) | 38 x 46.9 x 28 cm |
| Item Weight | 10 Kilograms |
| Installation Type | Countertop |
| Color | Black |
| Material Type | Plastic |
| Defrost Type | Auto Defrost |
| Special Features | Auto-defrost, Child safety lock, Touch Operation, Quick 30 function, 10 Auto Menus |
| Voltage | 220 Volts |
| Included Components | Roller Ring |
8. Warranty and Support
This Panasonic product is covered by a manufacturer's warranty. Please refer to the warranty card included with your purchase for specific terms and conditions, including warranty period and coverage details.
8.1 Customer Support
For technical assistance, service, or to inquire about warranty claims, please contact Panasonic customer support. Contact information can typically be found on the Panasonic official website or in your product documentation.
- Have your model number (NN-ST34NB) and purchase date ready when contacting support.
- Do not attempt to repair the appliance yourself.





