1. Introduction
Thank you for choosing the COMMERCIAL CHEF 0.7 Cu Ft 700W Countertop Microwave Oven, Model CHM7MS. This manual provides essential information for the safe and efficient use of your new appliance. Please read it thoroughly before operation and keep it for future reference.
2. Important Safety Instructions
WARNING: To reduce the risk of fire, electric shock, injury to persons, or exposure to excessive microwave energy, observe the following basic precautions:
- 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.
- Always ensure the microwave is properly grounded.
- Do not use corrosive chemicals or vapors in this appliance.
- Close supervision is necessary when the appliance is used by or near children.
3. Parts and Features
Familiarize yourself with the components of your microwave oven for optimal use.

Image: Front view of the COMMERCIAL CHEF 0.7 Cu Ft Microwave Oven, showcasing its sleek stainless steel design and digital control panel.

Image: Close-up of the digital control panel and LED display, highlighting the touch controls for various functions.
Key Components:
- Oven Cavity: The interior space where food is heated.
- Glass Turntable: Rotates food for even heating.
- Control Panel: Features a digital LED display and touch buttons for operation.
- Door with Push Button: Easy-open door mechanism with a child safety lock feature.
- Ventilation Openings: Located on the back and sides for proper airflow.
4. Setup
Unpacking and Placement:
- Remove all packaging materials from inside and outside the microwave oven.
- Check the oven for any damage, such as a misaligned or bent door, damaged door seals, or dents in the cavity. Do not operate if damaged.
- Place the microwave on a flat, stable surface that can support its weight (approximately 22.6 lbs).
- Ensure adequate ventilation: leave at least 4 inches of space on the top, sides, and rear for proper airflow.
- Do not block air vents.
Electrical Requirements:
This appliance must be grounded. Connect to a properly installed and grounded 3-prong outlet. Do not remove the grounding prong or use an adapter.
5. Operating Instructions
Your COMMERCIAL CHEF microwave offers various functions for convenient cooking.

Image: The microwave's control panel, illustrating the 10 power levels and pre-set menu options.
Basic Operation:
- Setting the Clock: Press the 'Clock' button, then use the number pad to enter the current time. Press 'Clock' again to confirm.
- Quick Start: For quick heating, press the 'Start' button to cook for 30 seconds at full power. Each additional press adds 30 seconds.
- Manual Cooking: Enter desired cooking time using the number pad (up to 99 minutes 99 seconds). Press 'Power' to select a power level (1-10), then press 'Start'.
- 10 Power Levels: Adjust power from 1 (lowest) to 10 (highest) for precise cooking.
- Pre-set Menus: Utilize 6 pre-set menus for common items like popcorn, potato, pizza, frozen vegetable, beverage, and dinner plate. Select the menu and press 'Start'.
- Defrost Function: Use the 'Time Defrost' or 'Weight Defrost' options to thaw frozen foods.
- Child Safety Lock: To activate, press and hold the 'Stop' button for 3 seconds. The oven will beep and 'LOCK' will appear on the display. To deactivate, repeat the process.

Image: The microwave door featuring a convenient push-button release mechanism.
Product Usage Videos:
Video: An overview of the Commercial CHEF Counter Top Microwave Oven, highlighting its features and compact design. This video demonstrates the microwave's general appearance and functionality.
Video: A demonstration showing how the COMMERCIAL CHEF Microwave fits perfectly on a countertop, emphasizing its compact size and suitability for various kitchen spaces.
6. Maintenance and Care
Cleaning:
- Always unplug the oven before cleaning.
- Clean the oven cavity after each use with a damp cloth. For stubborn stains, use a mild soap solution.
- The glass turntable can be washed in soapy water or a dishwasher.
- Wipe the exterior surfaces with a damp cloth. Avoid abrasive cleaners.
General Care:
- Do not immerse the power cord or plug in water.
- Do not operate the oven without food inside, as this can damage the appliance.
- Ensure the turntable is correctly positioned before operating.
7. Troubleshooting
If you encounter any issues, refer to the following table for 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. | Plug in power cord; Close door firmly; Replace fuse or reset circuit breaker. |
| Food not heating | Incorrect cooking time/power level; Door not closed properly. | Adjust time/power; Close door firmly. |
| Turntable not rotating | Turntable not properly seated; Obstruction under turntable. | Ensure turntable is correctly placed; Remove any obstructions. |
| Display shows "LOCK" | Child safety lock is activated. | Press and hold 'Stop' button for 3 seconds to deactivate. |
8. Specifications

Image: Diagram illustrating the dimensions of the COMMERCIAL CHEF 0.7 Cu Ft Microwave Oven.
- Model: CHM7MS
- Capacity: 0.7 Cubic Feet
- Wattage: 700 watts
- Voltage: 120 Volts
- Product Dimensions (D x W x H): 12.6" x 17.1" x 10"
- Item Weight: 22.6 Pounds
- Color: Stainless Steel
- Special Feature: Child Safety Lock
- Installation Type: Freestanding
- Included Components: 0.7 Cu. Ft. Countertop Microwave, Manual
9. Warranty and Support
For warranty information or technical support, please refer to the warranty card included with your product packaging or visit the official Commercial CHEF website. Do not attempt to repair the appliance yourself.





