Introduction
This manual provides comprehensive instructions for the safe and efficient operation of your Sharp 25 Liter 900 Watt Microwave with Grill, Model R-750MR(W). Please read all instructions carefully before using the appliance and retain this manual for future reference. Proper use and maintenance will ensure optimal performance and extend the lifespan of your microwave oven.
Important Safety Instructions
When using electrical appliances, basic safety precautions should always be followed to reduce the risk of fire, electric shock, burns, or injury to persons.
- 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: (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.
- Do not heat liquids or other foods in sealed containers since they are liable to explode.
- Only use utensils that are suitable for use in microwave ovens.
- When heating food in plastic or paper containers, keep an eye on the oven due to the possibility of ignition.
- If smoke is observed, switch off or unplug the appliance and keep the door closed in order to stifle any flames.
- This appliance is intended to be used in household and similar applications.
- Do not use harsh abrasive cleaners or sharp metal scrapers to clean the oven door glass since they can scratch the surface, which may result in shattering of the glass.
Product Overview
The Sharp R-750MR(W) is a 25-liter microwave oven equipped with a grill function, designed for versatile cooking and heating needs.

Key components include:
- Oven Cavity: The interior space where food is placed for cooking.
- Turntable: A rotating glass tray that ensures even cooking.
- Door: Equipped with a safety interlock system.
- Control Panel: Features a digital display, function buttons, and a dial for setting time and power levels.
- Grill Rack: Included for use with the grill function.
Setup
Follow these steps for initial setup of your microwave oven:
- Unpacking: Remove all packaging materials and accessories. Inspect the oven for any damage such as dents or a broken door. Do not install if damaged.
- Placement: Place the microwave on a flat, stable surface that can support its weight and the heaviest food item likely to be cooked in it. Ensure there is adequate ventilation space: at least 20 cm (8 inches) of space above the oven, 10 cm (4 inches) at the rear, and 5 cm (2 inches) on each side.
- Power Connection: Plug the power cord into a standard grounded electrical outlet. Ensure the voltage and frequency match the specifications on the rating label of the oven.
- Turntable Installation: Place the turntable ring in the depression on the oven floor. Place the glass turntable on top of the turntable ring, ensuring it is seated securely.
Operating Instructions
This section details how to use the various functions of your Sharp microwave oven.
Setting the Clock
- Plug in the oven. The display will show "0:00".
- Press the "Clock" button once.
- Turn the dial to set the hour (e.g., 1-12 for AM/PM or 0-23 for 24-hour format).
- Press the "Clock" button again.
- Turn the dial to set the minutes.
- Press the "Clock" button to confirm.
Microwave Cooking
- Place food in a microwave-safe container on the turntable.
- Close the oven door securely.
- Press the "Microwave" button.
- Turn the dial to select the desired cooking time.
- Press the "Power Level" button repeatedly to select the desired power level (e.g., 100% for high, 50% for medium).
- Press the "Start" button to begin cooking.
Grill Function
The grill function is ideal for browning and crisping food.
- Place food on the grill rack provided, then place the rack on the turntable.
- Close the oven door.
- Press the "Grill" button.
- Turn the dial to set the desired grilling time.
- Press the "Start" button to begin grilling.
Automatic Defrost
This feature allows for quick and efficient defrosting based on food weight.
- Place the frozen food in a microwave-safe container on the turntable.
- Press the "Defrost" button.
- Turn the dial to select the food weight (e.g., 0.2 kg to 2.0 kg).
- Press the "Start" button. The oven will automatically calculate the defrosting time.
Maintenance and Cleaning
Regular cleaning and maintenance will ensure your microwave oven operates effectively and safely.
- Exterior: Wipe the exterior with a damp cloth and mild detergent. Avoid abrasive cleaners.
- Interior: Clean the oven cavity after each use. For stubborn stains, place a bowl of water with lemon slices inside and microwave for 2-3 minutes. This will loosen food particles, making them easier to wipe away with a soft cloth. The ceramic enamel coating is designed for easy cleaning.
- Door Seals: Keep the door seals and adjacent parts clean. Use a soft, damp cloth. Do not use harsh chemicals or abrasive materials.
- Turntable: The glass turntable and turntable ring can be washed in warm soapy water or in a dishwasher. Ensure they are completely dry before returning them to the oven.
- Grill Rack: Wash the grill rack in warm soapy water.
Always unplug the microwave oven before cleaning.
Troubleshooting
If you encounter issues with your microwave oven, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Oven will 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 or power level set; Microwave-safe dish not used. | Adjust cooking time and power level; Use appropriate microwave-safe cookware. |
| Turntable not rotating | Turntable not properly seated; Food too large or heavy. | Ensure turntable and ring are correctly positioned; Reduce food quantity or size. |
| Unusual noise during operation | Loose parts; Food container touching oven walls. | Check for loose components; Ensure food container is centered and not touching sides. |
| Smoke or sparks inside oven | Metal in microwave; Food residue; Damaged interior. | Immediately turn off and unplug. Remove any metal objects. Clean interior thoroughly. If damage persists, contact service. |
If the problem persists after trying these solutions, please contact qualified service personnel.
Specifications
Below are the technical specifications for the Sharp 25 Liter 900 Watt Microwave with Grill, Model R-750MR(W):
| Feature | Specification |
|---|---|
| Brand Name | Sharp |
| Model Information | R-750MR(W) |
| Package Dimensions | 55.2 x 45 x 36.8 cm |
| Item Weight | 16.8 Kilograms |
| Power Consumption | 900 Watt |
| Capacity | 25 Liters |
| Installation Type | Freestanding |
| Part Number | R-750MR(W) |
| Special Features | Storage |
| Oven Cooking Mode | Electric, Grill |
| Color | White |
| Defrost Function | Automatic Defrost |
| Door Hinges | Left |
| Material Type | Multiple Materials |
| Interior Material Type | Ceramic Enamel Coating |
| Included Components | Grill |
| Batteries Required? | No |
| Recommended Uses | Heating and Cooking Food |
| Control Type | Button |
Warranty and Support
For warranty information, please refer to the warranty card included with your product packaging or contact your local Sharp authorized service center. Keep your purchase receipt as proof of purchase for warranty claims.
For technical support, service, or to inquire about replacement parts, please visit the official Sharp website or contact their customer service department. Contact details can typically be found on the manufacturer's website or in the product documentation.





