1. Introduction
Thank you for choosing the Grunkel MW-28AIRFRYER. This versatile appliance combines the functions of a microwave, grill, convection oven, and air fryer, offering a wide range of cooking possibilities. To ensure safe and efficient operation, please read this instruction manual thoroughly before use and retain it for future reference.
2. Safety Instructions
- Always ensure the appliance is properly grounded.
- Do not operate the microwave oven if the door is damaged, or if the seals or interior are compromised.
- Never heat sealed containers, as they may explode.
- Avoid heating liquids in narrow-necked containers, as they may boil over.
- Do not use metal utensils or foil in microwave mode, as this can cause arcing.
- Ensure adequate ventilation around the appliance. Do not block air vents.
- Always use oven mitts when removing items from the oven, especially after using grill, convection, or air fryer functions, as surfaces will be hot.
- The appliance features a parental lock for child safety. Refer to the 'Operating Instructions' section for activation.
3. Product Overview
Components
- Glass Turntable (Ø315mm): Ensures even cooking.
- Turntable Ring: Supports the glass turntable.
- Air Fryer Accessory: For air frying functions.
- Grill Rack: For grilling.
Control Panel
The appliance features a digital display and intuitive controls, including a rotary knob for time/weight adjustment and various function buttons for microwave, grill, air fryer, convection, and defrost modes.

Image: Front view of the Grunkel MW-28AIRFRYER, highlighting its elegant design and digital control panel.
Dimensions

Image: The Grunkel MW-28AIRFRYER with its dimensions: 45 cm (depth), 51 cm (width), and 30 cm (height).
4. Setup
- Unpacking: Carefully remove the appliance and all packing materials. Check for any damage.
- Placement: Place the oven on a stable, level surface. Ensure there is at least 20 cm of space above the oven, 10 cm at the rear, and 5 cm on each side for proper ventilation.
- Initial Cleaning: Wipe the interior and exterior with a damp cloth. Wash the glass turntable and turntable ring with mild soapy water.
- Power Connection: Plug the power cord into a grounded electrical outlet.
5. Operating Instructions
General Operation
The Grunkel MW-28AIRFRYER features a digital display and a rotary knob for setting time and weight. Function buttons allow selection of specific cooking modes.
Video: This video demonstrates the general operation of a combined microwave oven, including setting time and placing food inside. It shows the interior and control panel in use.
Microwave Function (900W)
- Place food in a microwave-safe container on the glass turntable.
- Close the oven door.
- Press the 'Microwave' button.
- Use the rotary knob to select the desired power level (5 available) and cooking time.
- Press 'Start' to begin cooking.
Grill Function (1200W)
- Place food on the grill rack, which should be placed on the glass turntable.
- Close the oven door.
- Press the 'Grill' button.
- Use the rotary knob to set the desired grilling time.
- Press 'Start' to begin grilling.
Air Fryer Function
The air fryer function uses hot air circulation for crispy results with less oil.

Image: A lasagna dish being cooked inside the Grunkel MW-28AIRFRYER, demonstrating the air fryer function's capability.
- Place food in the air fryer accessory or on a suitable oven-safe dish.
- Close the oven door.
- Press the 'Air Fryer' button.
- Select one of the 3 available air fryer modes and set the cooking time using the rotary knob.
- Press 'Start' to begin air frying.
Convection Oven Function (2200W)
The convection function allows for baking and roasting with even heat distribution.
- Place food in an oven-safe dish on the glass turntable or grill rack.
- Close the oven door.
- Press the 'Convection' button.
- Set the desired temperature and cooking time using the rotary knob.
- Press 'Start' to begin convection cooking.
Combination Modes
The appliance offers combination modes (e.g., Microwave + Grill) to achieve specific cooking results. Refer to the detailed instructions in the full manual for specific combinations and recommended settings.
Defrost Function
The defrost function allows you to thaw food based on its weight.
- Place the frozen food on the glass turntable.
- Close the oven door.
- Press the 'Defrost' button.
- Use the rotary knob to select the weight of the food. The oven will automatically calculate the defrosting time.
- Press 'Start' to begin defrosting.
Preset Programs
The Grunkel MW-28AIRFRYER includes 8 preset programs for common dishes, simplifying the cooking process. These programs automatically set the optimal cooking time and power/temperature for specific food types.

Image: The Grunkel MW-28AIRFRYER highlighting its features: 8 preset programs, 3 Airfryer modes, 2 combi-grill levels, and 5 power levels.
- Place the food in the oven.
- Close the oven door.
- Press the 'Menu' or 'Program' button repeatedly until the desired program number appears on the display.
- Use the rotary knob to adjust the quantity or weight if applicable.
- Press 'Start' to activate the program.
Timer Function
The appliance includes a 60-minute timer for general kitchen use or to set a delayed start for cooking functions.
6. Cleaning and Maintenance
- Before Cleaning: Always unplug the appliance from the power outlet and allow it to cool completely.
- Interior: Wipe the interior cavity with a damp cloth after each use. For stubborn stains, use a mild detergent. Do not use abrasive cleaners or metal brushes.
- Exterior: Clean the exterior surfaces with a soft, damp cloth. The stainless steel front panel is designed for easy cleaning.
- Glass Turntable and Accessories: The glass turntable, turntable ring, and air fryer accessory can be washed in warm soapy water or in a dishwasher.
- Door Seals: Regularly clean the door seals and adjacent parts to ensure proper closure and prevent microwave leakage.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Oven does not start | Power cord unplugged; Door not closed properly; Fuse blown. | Check power connection; Ensure door is securely closed; Check household fuse/circuit breaker. |
| Food not heating evenly | Food not stirred/rotated; Incorrect power level/time. | Stir or rotate food during cooking; Adjust power level and time as needed. |
| Excessive steam from door (Air Fryer/Convection) | Normal operation for high-moisture foods. | This is normal. Ensure proper ventilation around the unit. |
| Digital display not working | Power outage; Appliance not plugged in. | Check power supply; Ensure appliance is plugged in. |
If you encounter issues not listed here, please contact Grunkel customer support.
8. Specifications

Image: The Grunkel MW-28AIRFRYER showcasing its power specifications: 900W Microwave, 1200W Grill, and 2200W Convection.
- Model: MW-28AIRFRYER
- Capacity: 28 Liters
- Microwave Power: 900W
- Grill Power: 1200W
- Convection Power: 2200W
- Power Levels: 5
- Preset Programs: 8
- Timer: 60 minutes
- Turntable Diameter: Ø315mm
- Dimensions (W x D x H): 51 cm x 45 cm x 30 cm
- Weight: 11 kg
- Special Features: Child safety lock, Convection and Airfryer functions, Defrost by weight, Digital control.
- Material: Metal (Stainless Steel front panel)
- Color: Silver
9. Warranty and Support
For warranty information, technical assistance, or any questions regarding your Grunkel MW-28AIRFRYER, please refer to the warranty card included with your product or contact Grunkel customer support directly. Contact details can typically be found on the official Grunkel website or on your purchase documentation.
