1. Introduction
Thank you for choosing the Midea MM720CJ9 Microwave Oven. This manual provides important information for the proper installation, operation, and maintenance of your appliance. Please read this manual thoroughly before using the microwave oven and keep it for future reference. This appliance is designed to make your cooking tasks easier and more efficient, offering various functions for heating, cooking, and defrosting food.
2. 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 cord or plug is damaged, if it is not working properly, or if it has been damaged or dropped.
- Do not attempt to service or repair the oven yourself. Contact qualified service personnel for examination, repair, or adjustment.
- Do not use corrosive chemicals or vapors in this appliance.
- Do not heat liquids or other foods in sealed containers as they are liable to explode.
- Always ensure proper ventilation around the microwave oven. Do not block any ventilation openings.
- Do not use metal utensils or foil in the microwave oven, as this can cause arcing or sparking.
- Supervise children closely when the microwave oven is in use.
- Always use oven mitts when removing hot items from the microwave.
3. Product Overview
Familiarize yourself with the components and controls of your Midea microwave oven.

Figure 3.1: Front view of the Midea MM720CJ9 Microwave Oven, showing the control panel on the right and the door with a clear window on the left.

Figure 3.2: Side view of the Midea MM720CJ9 Microwave Oven, highlighting the ventilation grilles on the left side.

Figure 3.3: Interior view of the Midea MM720CJ9 Microwave Oven with the door open, showing the glass turntable and the spacious cavity.
3.1 Components
- Door: Features a clear window to monitor cooking progress and a stainless steel handle for easy opening.
- Control Panel: Located on the right side, it houses the power level and timer/defrost knobs.
- Cavity: The interior cooking space.
- Glass Turntable: Rotates food for even cooking. This component is removable for cleaning.
3.2 Control Panel
The control panel consists of two rotary knobs:
- Power Level Knob: Used to select one of the five available power levels (High, M.High, Med, M.Low, Low).
- Timer/Defrost Knob: Used to set the cooking time (up to 35 minutes) or select the defrost by weight function.
4. Setup
Follow these steps to set up your microwave oven:
- Unpacking: Carefully remove the microwave oven and all packing materials. Check for any damage.
- Placement: Place the microwave oven on a flat, stable surface that is strong enough to hold its weight plus the heaviest food item likely to be cooked in it. Ensure there is adequate ventilation space (at least 20 cm above, 10 cm at the back, and 5 cm on each side).
- Power Connection: Plug the power cord into a grounded electrical outlet.
- Initial Cleaning: Before first use, wipe the interior and exterior of the microwave oven with a damp cloth. Clean the glass turntable and turntable ring with warm, soapy water.
5. Operating Instructions
This section details how to use your microwave oven for various cooking tasks.
5.1 Setting Power Levels
The microwave oven offers five power levels to suit different cooking needs:
- High (100% Power): For fast cooking and reheating.
- M.High (Medium-High Power): For general cooking.
- Med (Medium Power): For baking and slow cooking.
- M.Low (Medium-Low Power): For simmering.
- Low (Defrost/Warm Power): For defrosting and keeping food warm.
5.2 Cooking Food
- Place the food in a microwave-safe container on the glass turntable.
- Close the microwave door securely.
- Turn the Power Level Knob to your desired power setting.
- Turn the Timer/Defrost Knob to set the desired cooking time (up to 35 minutes). The microwave will start cooking automatically.
- When the set time expires, the microwave will emit an audible signal, indicating the end of the cooking cycle.
5.3 Defrosting Food
The defrost function allows you to thaw frozen food quickly and efficiently.
- Place the frozen food in a microwave-safe container on the glass turntable.
- Close the microwave door securely.
- Turn the Power Level Knob to the "Low" or "Defrost" setting.
- Turn the Timer/Defrost Knob to the appropriate defrost weight setting (e.g., 0.2 kg, 0.4 kg, up to 1.0 kg) or set a specific defrost time.
- The microwave will start defrosting. You may need to turn or separate food items halfway through the defrosting process for even thawing.
- When the set time expires, the microwave will signal the end of the cycle.
6. Maintenance and Cleaning
Regular cleaning and maintenance will ensure the longevity and optimal performance of your microwave oven.
- Interior Cleaning: After each use, wipe the inside of the oven with a damp cloth to remove any food splatters. For stubborn stains, use a mild detergent. Do not use abrasive cleaners or scouring pads.
- Exterior Cleaning: Clean the exterior surface with a soft, damp cloth. Avoid getting water into the ventilation openings.
- Turntable and Ring: The glass turntable and turntable ring can be removed and washed in warm, soapy water or in the dishwasher. Ensure they are completely dry before placing them back in the oven.
- Door Seals: Keep the door seals clean to ensure a proper seal.
- Odor Removal: To remove odors, combine a cup of water with the juice of one lemon in a microwave-safe bowl. Microwave on high for 5-7 minutes. Let it cool for a few minutes before wiping the interior.
7. Troubleshooting
If you encounter issues with your microwave oven, refer to the table below for common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Microwave does not start. | Power cord not plugged in; Door not closed properly; Fuse blown or circuit breaker tripped. | Ensure plug is securely in outlet; Close door firmly; Check household fuse/circuit breaker. |
| Food not heating. | Cooking time too short; Power level set too low. | Increase cooking time; Select a higher power level. |
| Turntable not rotating. | Turntable not properly placed; Debris under turntable. | Ensure turntable and ring are correctly seated; Clean under the turntable. |
| Unusual noises during operation. | Food container touching cavity walls; Turntable not centered. | Adjust food container position; Re-center turntable. |
If the problem persists after trying these solutions, please contact customer support.
8. Specifications
Detailed technical specifications for the Midea MM720CJ9 Microwave Oven.
| Feature | Specification |
|---|---|
| Brand | Midea |
| Model Name | MM720CJ9 |
| Capacity | 20 Liters |
| Power Output | 700 Watts |
| Product Dimensions (L x W x H) | 49 x 38 x 29 cm |
| Item Weight | 1 Kilogram |
| Color | White |
| Special Features | Defrost, Timer |
| Installation Type | Countertop |
| Material | Stainless Steel |
| Control Type | Rotary Dial |
9. Warranty and Support
Your Midea MM720CJ9 Microwave Oven comes with a 1-year warranty from the date of purchase, covering manufacturing defects. Please retain your purchase receipt as proof of purchase for warranty claims.
For technical assistance, troubleshooting beyond this manual, or warranty service, please contact Midea customer support or the authorized service center in your region. You may also visit the official Midea store for more information: Midea Official Store.





