1. Introduction
Thank you for purchasing the COMMERCIAL CHEF 1.1 Cu. Ft. 1000W Countertop Microwave Oven. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new appliance. Please read it thoroughly before use and retain it for future reference.
This microwave oven features 10 power levels, a 1000-watt output for quick heating, a convenient push-button door lock, a microwave turntable, and digital controls for precise cooking. Its compact design makes it suitable for various kitchen spaces.

Figure 1.1: The COMMERCIAL CHEF 1.1 Cu. Ft. Microwave Oven with examples of food items it can prepare, including pasta, baked potatoes, popcorn, vegetables, fish, and reheated meals.
2. Important Safety Information
To reduce the risk of fire, electric shock, injury to persons, or exposure to excessive microwave energy when using your appliance, follow basic safety precautions, including the following:
- 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.
- Always use microwave-safe cookware.
- Supervise children closely when the microwave is in use.
3. Setup Instructions
3.1 Unpacking
Carefully remove the microwave oven from its packaging. Remove all packing materials, including any plastic film or tape. Inspect the oven for any damage. If the oven appears damaged, do not operate it and contact customer service.
3.2 Placement
Place the microwave oven on a flat, stable surface that can support its weight. Ensure there is adequate ventilation around the unit. Maintain a minimum clearance of 4 inches (10 cm) from the rear and sides, and 12 inches (30 cm) from the top to allow for proper airflow.

Figure 3.1: The microwave oven's compact dimensions (20.2"W x 15.7"D x 12.1"H) highlight its suitability for various small spaces such as dorm rooms, RVs, tiny homes, and apartments.
3.3 Turntable Assembly
Place the roller ring in the center of the oven cavity. Position the glass turntable plate securely on top of the roller ring. Ensure the turntable rotates freely.
3.4 Power Connection
Plug the microwave oven into a grounded 120V, 60Hz AC outlet. Do not use an extension cord or adapter.
4. Operating Instructions
Your microwave oven features a digital control panel for easy operation.

Figure 4.1: The digital control panel of the microwave, showing various function buttons and a digital LED display.
4.1 Setting the Clock
- Press the 'TIME/CLOCK' button once.
- Use the number pads to enter the current time (e.g., 1-2-3-0 for 12:30).
- Press 'TIME/CLOCK' again to confirm.
4.2 Using Power Levels
The microwave offers 10 power levels, from 1 (low) to 10 (high), allowing for precise cooking control.

Figure 4.2: Visual representation of the 10 power levels, indicating a range from low to high heat settings for diverse cooking needs.
- Press the 'TIME COOK' button.
- Enter the desired cooking time using the number pads.
- Press the 'POWER' button.
- Enter the desired power level (1-10) using the number pads.
- Press 'START' to begin cooking.
4.3 Pre-Set Menus
The microwave includes 6 convenient pre-set menus for common food items:
- Popcorn: For popping popcorn.
- Potato: For baking potatoes.
- Pizza: For reheating pizza.
- Frozen Vegetable: For cooking frozen vegetables.
- Beverage: For heating beverages.
- Dinner Plate: For reheating a dinner plate.
To use a pre-set menu, simply press the corresponding button once for the default setting, or multiple times to adjust quantity if applicable (refer to the control panel for specific options).
4.4 Defrost Function
The microwave offers defrosting by time or by weight.
- Defrost by Time: Press 'TIME DEFROST', enter the desired defrosting time, then press 'START'.
- Defrost by Weight: Press 'WEIGHT DEFROST', enter the weight of the food in pounds (e.g., 1.0 for 1 pound), then press 'START'.
4.5 Express Cook
For quick cooking, press any number button from 1 to 6 to instantly start cooking for that many minutes at full power. For example, pressing '1' will cook for 1 minute, pressing '2' will cook for 2 minutes, and so on.
4.6 Push Button Door Lock
The microwave features a push-button door release for easy access to the oven cavity.

Figure 4.3: The microwave door is shown open, illustrating the simple push-button mechanism for convenient access to the cooking cavity.
5. Maintenance
Regular cleaning and maintenance will ensure the longevity and optimal performance of your microwave oven.
5.1 Cleaning the Interior
Wipe the interior cavity after each use with a damp cloth and mild detergent. For stubborn stains, place a bowl of water with lemon slices inside and microwave for 2-3 minutes to loosen residue, then wipe clean.
5.2 Cleaning the Exterior
Clean the exterior surfaces with a soft, damp cloth. Avoid abrasive cleaners or harsh chemicals that could damage the finish.
5.3 Turntable Care
The glass turntable plate 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.
6. 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 securely plugged in. Door not closed properly. Fuse blown or circuit breaker tripped. | Ensure power cord is firmly plugged into outlet. Close door securely. Check household fuse or circuit breaker. |
| Food not heating | Incorrect cooking time or power level set. Microwave-safe cookware not used. | Adjust cooking time and power level. Use only microwave-safe dishes. |
| Turntable not rotating | Turntable or roller ring not positioned correctly. Debris under turntable. | Re-position turntable and roller ring. Clean any debris from under the turntable. |
| Unusual noise during operation | Food container or turntable hitting oven walls. | Ensure food container is centered and not too large. Check turntable for proper placement. |
If the problem persists after attempting these solutions, please contact customer support.
7. Specifications
- Model Number: CHM11MW
- Capacity: 1.1 Cubic Feet
- Wattage: 1000 watts
- Voltage: 120 Volts
- Product Dimensions (D x W x H): 15.7" x 20.2" x 12.1"
- Item Weight: 30.9 Pounds
- Color: White
- Material: Stainless Steel
- Special Features: Defrost, Timer, Turntable
- Installation Type: Countertop
- Included Components: 1.1 Cu. Ft. Countertop Microwave, Manual
8. Warranty and Support
For warranty information or technical support, please refer to the warranty card included with your product or visit the official Commercial CHEF website. Keep your purchase receipt as proof of purchase for any warranty claims.
Customer Service: For assistance, please contact Commercial CHEF customer support through their official channels.
9. Product Videos
Commercial Chef Microwave Overview
This video provides a general overview of the Commercial Chef Microwave, highlighting its features and compact design. It demonstrates the microwave's capacity and ease of use for everyday heating tasks.





