1. Introduction
This manual provides essential instructions for the safe and efficient operation of your Defy Airfryer Microwave DMO500. This versatile 27-litre appliance combines the functions of a microwave and an air fryer, offering a convenient solution for various cooking needs. Please read this manual thoroughly before using the appliance and keep it for future reference.
2. 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.
- 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 placed on a stable, level surface.
- Do not use corrosive chemicals or vapours in this appliance.
- Always use microwave-safe and air fryer-safe cookware.
- Supervise children closely when the appliance is in use.
- Unplug the appliance from the outlet when not in use and before cleaning.
3. Product Overview
3.1. Components
The Defy Airfryer Microwave DMO500 features a sleek black exterior with a digital display and a robust handle. The interior includes a turntable for even cooking.

Figure 1: Front view of the Defy Airfryer Microwave DMO500, showing the control panel, door, and handle.

Figure 2: Interior view of the Defy Airfryer Microwave DMO500, showing the turntable and internal cavity.
3.2. Control Panel
The digital control panel allows you to select various cooking modes, adjust settings, and set the time. Key elements include:
- Digital Display: Shows time, power level, and selected functions.
- Menu Buttons: Pre-programmed options like Popcorn, Fish, Chicken, Cake, Pizza, Pasta, Healthy Dish, Daily Dish, Airfry.
- Function Buttons: Grill, Combi, Microwave, Timer, Defrost, Odour Remover, Steam Clean, Clock.
- +/- Buttons: Adjust time, weight, or quantity.
- START/+30SEC Button: Initiates cooking or adds 30 seconds to cooking time.
- STOP/CANCEL Button: Stops cooking or clears settings.
4. Setup
- Unpacking: Carefully remove the microwave from its packaging. Retain packaging materials for future transport if needed.
- Placement: Place the microwave on a stable, level, heat-resistant surface. Ensure adequate ventilation around the appliance (at least 10 cm clearance at the back and sides, 20 cm at the top). Do not block air vents.
- Power Connection: Plug the power cord into a grounded electrical outlet. Ensure the voltage matches the appliance's requirements.
- Initial Cleaning: Before first use, wipe the interior and exterior with a damp cloth.
- Turntable Installation: Place the roller ring in the depression on the oven floor, then place the glass turntable on top of the roller ring, ensuring it sits securely.
5. Operating Instructions
5.1. Setting the Clock
To set the clock, press the "Clock" button, then use the "+/-" buttons to adjust the hour and minute. Press "Clock" again to confirm.
5.2. Microwave Cooking
This appliance offers 900 Watts of microwave power with six power levels.
- Place food in a microwave-safe container on the turntable.
- Close the door securely.
- Press the "Microwave" button.
- Use the "+/-" buttons to select the desired cooking time and power level (if adjustable, otherwise default power will be used).
- Press "START/+30SEC" to begin cooking.
- For quick start, simply press "START/+30SEC" repeatedly to add 30-second intervals at full power.
5.3. Air Fryer Function
The air fryer function crisps and browns food, reducing fat content.
- Place food on the air fryer rack or a suitable air fryer-safe dish.
- Close the door.
- Press the "Airfry" menu button.
- Use the "+/-" buttons to select the desired cooking time or weight (if applicable for pre-programmed airfry settings).
- Press "START/+30SEC" to begin.
5.4. Grill Function
Use the grill function for browning and toasting.
- Place food on the grill rack.
- Close the door.
- Press the "Grill" function button.
- Use the "+/-" buttons to set the grilling time.
- Press "START/+30SEC" to begin.
5.5. Combination Cooking (Combi)
Combination modes combine microwave and grill/air fryer functions for faster and more thorough cooking.
- Place food in a suitable combination-safe dish.
- Close the door.
- Press the "Combi" function button repeatedly to cycle through available combination modes (e.g., Combi 1, Combi 2).
- Use the "+/-" buttons to set the cooking time.
- Press "START/+30SEC" to begin.
5.6. Defrost Function
The defrost function allows for thawing food by weight or time.
- Place frozen food in the microwave.
- Close the door.
- Press the "Defrost" function button.
- Use the "+/-" buttons to select defrost by weight or time, and adjust accordingly.
- Press "START/+30SEC" to begin.
5.7. Pre-programmed Menus
The appliance includes several pre-programmed menus for common food items. These are designed for convenience and may require weight input.
- Popcorn: For popping corn.
- Fish: For cooking fish.
- Chicken: For cooking chicken.
- Cake: For baking cakes.
- Pizza: For reheating or cooking pizza.
- Pasta: For cooking pasta.
- Healthy Dish: Specific healthy cooking options.
- Daily Dish: General daily cooking options.
- Airfry: Dedicated air frying programs.
To use a pre-programmed menu:
- Place the food in the appropriate cookware.
- Press the corresponding menu button (e.g., "Popcorn").
- If prompted, use the "+/-" buttons to select the weight or quantity.
- Press "START/+30SEC" to begin.
6. Maintenance and Cleaning
Regular cleaning helps maintain the performance and longevity of your appliance.
- Exterior: Wipe the exterior with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Interior: Clean the interior cavity after each use with a damp cloth and mild detergent. For stubborn stains, use the "Steam Clean" function (if available) or place a bowl of water with lemon juice inside and microwave for a few minutes to loosen residue.
- Turntable and Roller Ring: These can be removed and washed in warm soapy water or in a dishwasher. Ensure they are dry before placing them back in the oven.
- Door Seals: Keep the door seals clean to ensure proper closure and prevent microwave energy leakage.
- Odour Remover: Use the "Odour Remover" function to eliminate lingering food smells from the oven cavity.
- Unplug: Always unplug the appliance before cleaning.
7. Troubleshooting
If you encounter issues with your Defy Airfryer Microwave, refer to the following common problems and 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 power cord is securely plugged in; Close the door firmly; Check household fuse or reset circuit breaker. |
| Food not heating | Incorrect cooking time/power level; Door not closed properly; Metal objects in oven. | Adjust cooking time and power; Ensure door is fully closed; Remove any metal objects (except grill rack when grilling). |
| Turntable not rotating | Turntable not correctly placed; Roller ring dirty or damaged; Motor malfunction. | Ensure turntable and roller ring are correctly seated; Clean roller ring and oven floor; Contact service if issue persists. |
| Unusual noises during operation | Food container touching oven walls; Turntable not seated correctly. | Adjust food container position; Re-seat turntable and roller ring. |
| Digital display not working | Power interruption; Appliance malfunction. | Unplug and re-plug the appliance; If issue persists, contact service. |
If the problem persists after attempting these solutions, please contact Defy customer service.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Defy |
| Model Number | DMO500 |
| Capacity | 27 Litres |
| Power / Wattage | 900 Watts |
| Material | Stainless Steel |
| Colour | Black |
| Product Dimensions (D x W x H) | 29D x 42.4W x 49.5H centimetres |
| Item Weight | 10 kg |
| Special Features | Timer, Digital Display, Airfryer Function |
9. Warranty and Support
For warranty information, service, or technical support, please refer to the warranty card included with your product or visit the official Defy website. Keep your proof of purchase for warranty claims.
Defy Customer Service: Please refer to your regional Defy contact information for assistance.





