1. Introduction
This manual provides essential instructions for the safe and efficient operation of your Sharp R-750MR Microwave with Grill. Please read this manual thoroughly before using the appliance and retain it for future reference. This appliance combines microwave cooking with a grill function, offering versatile cooking options for your kitchen.
2. Important Safety Information
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 heat liquids or other foods in sealed containers since they are liable to explode.
- Only allow children to use the oven without supervision when adequate instructions have been given so that the child is able to use the oven in a safe way and understands the hazards of improper use.
- Ensure the appliance is properly grounded.
- Do not use corrosive chemicals or vapors in this appliance.
- Never operate the oven if it is damaged, especially the door, door seals, or hinges. Contact qualified service personnel for repair.
3. Setup
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. Retain packaging materials for future transport if needed.
3.2 Placement
- Place the oven on a flat, stable surface that can support its weight and the heaviest food item likely to be cooked in the oven.
- Ensure adequate ventilation. Leave a minimum of 20 cm (8 inches) of space above the oven, 10 cm (4 inches) at the rear, and 5 cm (2 inches) on both sides for proper airflow. Do not block any ventilation openings.
- Keep the oven away from heat sources and strong magnetic fields.
- Do not place the oven in a cabinet unless specifically designed for built-in installation. This model is freestanding.
3.3 Turntable Assembly
Place the roller ring inside the oven cavity. Position the glass turntable plate securely on top of the roller ring. Ensure the turntable rotates freely. Always use the turntable and roller ring during operation.
3.4 Power Connection
Plug the power cord into a standard, grounded electrical outlet. Ensure the voltage matches the specifications of the appliance.
4. Operating Instructions
4.1 Control Panel Overview
Your Sharp R-750MR features a touch control panel with a digital keypad for easy operation. The display shows time, power levels, and cooking indicators.
Image: Front view of the Sharp R-750MR Microwave with Grill, showing the door, handle, and touch control panel on the right side.
4.2 Basic Microwave Cooking
- Place food in a microwave-safe container on the glass turntable. Close the door securely.
- Press the 'Microwave' button.
- Use the digital keypad to set the desired cooking time.
- Select the power level (e.g., High, Medium, Low). The oven offers various power levels.
- Press 'Start' to begin cooking.
4.3 Grill Function
The grill function is ideal for browning and crisping food.
- Place food on the grill rack (if provided) or a heat-resistant dish.
- Press the 'Grill' button.
- Set the desired grilling time using the digital keypad.
- Press 'Start'. Monitor food closely to prevent burning.
4.4 Automatic Defrost
This feature allows for quick and efficient defrosting of various food types.
- Place the frozen food in a microwave-safe container.
- Press the 'Defrost' button.
- Enter the weight of the food using the digital keypad. The oven will automatically calculate the defrosting time.
- Press 'Start'. The oven may pause during defrosting to prompt you to turn or separate the food.
4.5 Reheat Function
Use the reheat function for warming up pre-cooked meals.
- Place food in a microwave-safe dish.
- Press the 'Reheat' button.
- Select the appropriate reheat setting or time.
- Press 'Start'.
4.6 Pre-set Menus
The oven includes 6 pre-set menus for common dishes. Refer to the labels on the control panel or inside the door for specific menu options and instructions. Typically, you select the menu number and the quantity/weight, then press 'Start'.
4.7 Temperature Control
The appliance features temperature control capabilities, primarily for the grill function, allowing for precise cooking results. Consult the specific cooking program instructions for how to adjust or utilize this feature.
5. Maintenance
5.1 Cleaning the Interior and Exterior
- Always unplug the oven before cleaning.
- Wipe the interior cavity and exterior surfaces with a damp cloth and mild detergent. Avoid abrasive cleaners or scouring pads.
- For stubborn food splatters inside, place a bowl of water with lemon slices in the oven and microwave on high for 2-3 minutes. The steam will loosen the residue, making it easier to wipe clean.
5.2 Turntable Care
The glass turntable and roller ring can be removed for cleaning. Wash them in warm, soapy water or in the dishwasher. Ensure they are completely dry before placing them back in the oven.
5.3 Door Seal Cleaning
Regularly clean the door seals and adjacent parts with a damp cloth to remove any food spills or residue. This ensures a proper seal during operation.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Oven does not start | Power cord not plugged in; Door not closed properly; Fuse blown or circuit breaker tripped. | Plug into outlet; Close door securely; Check fuse or reset circuit breaker. |
| Food not heating | Incorrect cooking time or power level set; Metal in oven. | Adjust time/power; Remove any metal objects. |
| Turntable not rotating | Turntable not correctly placed; Roller ring obstructed. | Ensure turntable and roller ring are correctly positioned; Clean any obstructions. |
| Unusual noise during operation | Food container too large or touching oven walls; Turntable not seated correctly. | Use smaller container; Reposition turntable. |
If the problem persists after attempting these solutions, please contact qualified service personnel.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Sharp |
| Model Name | R-750MR |
| Capacity | 25 Liters |
| Power Output | 900 Watts |
| Color | Silver |
| Control Type | Touch, Digital Keypad |
| Installation Type | Freestanding |
| Special Features | Temperature Control |
| Defrost System Type | Automatic Defrost |
| Heating Method | Radiant |
| Cooking Programs | Defrost, Reheat, Medium, Low, High (6 Menus) |
| Interior Material | Metal |
| Item Weight | 15 kg |
8. Warranty and Support
For warranty information, please refer to the warranty card included with your product or contact the retailer where the product was purchased. For technical support or service inquiries, please consult the manufacturer's official website or contact their customer service department. Keep your purchase receipt as proof of purchase for warranty claims.







