1. Introduction
This manual provides essential information for the safe and efficient operation of your Panasonic NN-CT56 Combination Microwave Oven. This appliance combines microwave, grill, and convection oven functions, offering versatile cooking options. Please read these instructions thoroughly before using the appliance and retain them for future reference.

Figure 1: Front view of the Panasonic NN-CT56 Combination Microwave Oven, showcasing its sleek black design and control panel.
2. Important Safety Instructions
Always follow basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, injury to persons, or exposure to excessive microwave energy.
- Read all instructions before using the appliance.
- 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 door (e.g., bent), hinges and latches (e.g., broken or loosened), or door seals and sealing surfaces.
- Only qualified service personnel should adjust or repair the oven.
- Do not heat liquids or other foods in sealed containers since they are liable to explode.
- Do not use corrosive chemicals or vapors in this appliance.
- This appliance is intended for household use only.
- Close supervision is necessary when the appliance is used by or near children.
- Do not immerse the power cord, plug, or oven in water or other liquid.
- Ensure proper ventilation around the appliance.
3. Setup and Installation
3.1 Unpacking
Carefully remove the microwave oven and all packing materials from the carton. Check the oven for any damage, such as dents or a misaligned door. Do not operate the oven if it is damaged.
3.2 Placement
Place the oven on a flat, stable surface that can support its weight and the heaviest food likely to be cooked in it. Ensure adequate ventilation by leaving sufficient space around the appliance.
- Leave a minimum of 20 cm (8 inches) of space above the oven.
- Maintain at least 10 cm (4 inches) of space at the rear and sides for proper airflow.
- Do not block any ventilation openings on the oven.

Figure 2: Dimensions of the Panasonic NN-CT56 microwave oven, indicating its height (310mm), width (520mm), and depth (395mm), along with recommended clearance for proper ventilation.
3.3 Electrical Connection
Plug the oven into a properly installed and grounded wall outlet. Do not use extension cords or adapters. Ensure the voltage and frequency match the specifications on the appliance rating label.
3.4 Turntable Assembly
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.

Figure 3: Interior view of the Panasonic NN-CT56, showing the glass turntable and roller ring correctly installed within the oven cavity.
4. Operating Instructions
4.1 Basic Microwave Cooking
- Place food in a microwave-safe container on the glass turntable.
- Close the oven door securely.
- Press the Microwave button to select the desired power level (e.g., 1000W, 700W, etc.).
- Use the time adjustment buttons (e.g., 10 Min, 1 Min, 10 Sec) to set the cooking time.
- Press the Start button to begin cooking.
4.2 Grill Function
The grill function is ideal for browning and crisping food. Use the provided grill rack for best results.
- Place food on the grill rack in a heat-resistant dish.
- Press the Grill button.
- Set the desired grilling time using the time adjustment buttons.
- Press Start.
4.3 Convection (Hot Air) Function
The convection function allows the oven to operate like a traditional oven, circulating hot air for even cooking and baking.
- Place food in a heat-resistant dish suitable for oven use.
- Press the Hot Air button.
- Select the desired temperature (refer to the full manual for temperature ranges).
- Set the cooking time.
- Press Start.
4.4 Combination Cooking
The NN-CT56 offers various combination modes (e.g., Microwave + Grill, Microwave + Convection) to speed up cooking while achieving desired browning or crisping. Consult the full instruction manual for specific combination programs and recommended settings.
4.5 Automatic Programs
The oven features several pre-programmed settings for common foods. To use, select the desired auto program and input the food weight or quantity as prompted. The oven will automatically set the cooking time and power level. Refer to the complete manual for a list of available programs.
4.6 Quick Start Function
For quick heating, press the Quick 30 button to start cooking at full microwave power for 30 seconds. Each subsequent press adds 30 seconds to the cooking time.
4.7 Child Lock (Parental Control)
To activate the child lock, press and hold the Stop/Cancel button for a few seconds until the lock indicator appears on the display. To deactivate, repeat the process.
5. Maintenance and Cleaning
Regular cleaning and maintenance will ensure the longevity and optimal performance of your microwave oven. Always unplug the appliance before cleaning.
5.1 Interior Cleaning
- Wipe the interior cavity with a damp cloth after each use to prevent food splatters from drying and hardening.
- For stubborn stains, place a bowl of water with lemon slices inside and microwave for 2-3 minutes. The steam will loosen the grime, making it easier to wipe away.
- Do not use abrasive cleaners, steel wool, or harsh chemicals, as these can damage the interior surfaces.
5.2 Exterior Cleaning
- Clean the exterior surfaces with a soft, damp cloth.
- Avoid getting water into the ventilation openings.
- Wipe the control panel gently with a soft, dry cloth.
5.3 Turntable and Roller Ring
- The glass turntable and roller ring can be removed and washed in warm soapy water or in a dishwasher.
- Ensure they are completely dry before placing them back in the oven.
6. Troubleshooting
If you encounter problems with your microwave oven, refer to the following table for common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Oven does not start. | Power cord not plugged in; Door not closed properly; Fuse blown or circuit breaker tripped. | Ensure the power cord is securely plugged in. Close the door firmly. Check your household fuse/circuit breaker. |
| Food not heating. | Incorrect power level or cooking time set; Non-microwave safe dish used. | Adjust power level and cooking time. Use only microwave-safe cookware. |
| Display shows "E" or error code. | Internal malfunction. | Unplug the oven for a few minutes, then plug it back in. If the error persists, contact customer service. |
| Excessive steam inside the oven. | High moisture content in food. | This is normal for foods with high moisture. Wipe the interior after use. |
For issues not listed here or if problems persist, please contact Panasonic customer support. Do not attempt to repair the oven yourself.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Panasonic |
| Model Number | NN-CT56 |
| Type | Combination Microwave Oven (Microwave, Grill, Convection) |
| Capacity | 27 Litres |
| Microwave Power | 1000 Watts |
| Dimensions (L x W x H) | 39.5 x 52 x 31 cm |
| Weight | 13.8 Kilograms |
| Color | Black |
| Installation Type | Freestanding |
| Special Features | Hot Air, Parental Control, Quick Start, Grill, Automatic Programs, Inverter Technology, Slim Line Design |
| Interior Material | Glass |
| Energy Efficiency | A |
8. Warranty and Support
Your Panasonic NN-CT56 Combination Microwave Oven comes with a manufacturer's warranty. Please refer to the warranty card included with your purchase for detailed terms and conditions. For technical support, service, or to inquire about replacement parts, please visit the official Panasonic website or contact their authorized customer service center in your region.
Online Support: www.panasonic.com





