1. Introduction and Overview
Thank you for choosing the CROSSON Commercial Countertop 25L Microwave Oven. This appliance is designed for efficient and reliable performance in commercial settings, offering a spacious 25L capacity, 1000W power, and user-friendly controls. Please read this manual thoroughly before operation to ensure safe and optimal use.

Image 1: Front view of the CROSSON Commercial Countertop 25L Microwave Oven, showcasing its sleek stainless steel design and control panel.
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 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.
- Ensure proper ventilation around the microwave.
- Do not heat sealed containers or bottles as they may explode.
- Always use microwave-safe cookware.
3. Setup and Installation
Unpack the microwave oven and all materials from the carton. 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 there is adequate space for ventilation (at least 4 inches on top, sides, and back). Do not block air vents. Plug the power cord into a grounded electrical outlet.

Image 2: The microwave oven on a countertop, illustrating its compact dimensions (20.1 inches wide, 17 inches deep, 12.2 inches high) and cavity size (12.5x12.5x8.6 inches).
4. Operating Instructions
The CROSSON Commercial Microwave Oven features intuitive button controls and a clear LED display for easy operation. It offers 10 programmable memory menus, 5 power levels, and 3-stage cooking capabilities.
4.1. Basic Operation
- Setting Time: Use the numeric keypad to enter the desired cooking time.
- Starting Cook: Press the "Start" button to begin cooking.
- Stopping/Pausing: Press the "Stop/Clear" button to pause or cancel cooking.

Image 3: Close-up of the microwave's control panel, showing the LED display and button layout for various functions.
4.2. Power Levels
The oven offers 5 power levels to suit various cooking needs:
- Hold (0%): Keep food warm without further cooking.
- Defrost (20%): Gentle defrosting for frozen items.
- Medium (50%): Ideal for simmering or slow cooking.
- Med-Hi (70%): For reheating and general cooking.
- Boil (100%): Full power for rapid heating and boiling.

Image 4: Visual representation of the 5 power levels and their suggested uses, from holding temperature to full power cooking.
4.3. Programmable Memory Menus
Store up to 10 personalized menus for frequently used recipes. This allows for one-touch replication of perfect results without repeated adjustments. Consult the full manual for detailed programming steps.
4.4. 3-Stage Cooking
For complex dishes, the microwave supports up to 3-stage cooking, allowing you to set different power levels and cooking times sequentially within a single program. This is ideal for defrosting, then cooking, then holding warm.
5. Key Features
- 25L Large Capacity: Spacious interior accommodates multiple servings, ideal for busy environments.
- 1000W High Power: Ensures fast and uniform heating, reducing cooking and defrosting times.
- Exceptional Stability: Engineered for continuous operation up to 24 hours without overheating, suitable for high-demand use.
- Full Stainless Steel Body: Durable exterior resists scratches, rust, and daily wear, maintaining a sleek appearance.
- Microcrystalline Ceramic Inner Chamber: Non-stick and stain-resistant interior for easy cleaning.

Image 5: Illustration of the microwave's fast and uniform heat distribution, ensuring no cold spots or unevenly thawed ingredients.

Image 6: Visual comparison highlighting the microwave's efficient defrosting capabilities compared to traditional methods, preventing icy patches.
6. Maintenance and Cleaning
Regular cleaning and maintenance will prolong the life of your microwave oven and ensure optimal performance.
- Exterior: Wipe the exterior with a soft, damp cloth and mild detergent. Avoid abrasive cleaners.
- Interior: Clean the microcrystalline ceramic inner chamber with a soft cloth and mild soap. For stubborn stains, a mixture of water and lemon juice can be used. Do not use harsh chemicals or scouring pads.
- Door Seals: Keep the door seals clean to ensure proper closure and prevent microwave energy leakage.
- Turntable (if applicable): This model features a flat ceramic base, eliminating the need for a rotating turntable, simplifying cleaning.
7. Troubleshooting
If you experience issues with your microwave oven, refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Oven will not start | Door not closed properly; Power cord unplugged; Fuse blown or circuit breaker tripped. | Ensure door is securely closed; Check power cord connection; Reset circuit breaker or replace fuse. |
| Uneven heating | Food not stirred or rearranged; Incorrect power level or cooking time. | Stir or rearrange food during cooking; Adjust power level and time as needed. |
| Light not working | Bulb needs replacement. | Contact qualified service personnel for bulb replacement. |
| Excessive noise | Loose components; Fan obstruction. | Ensure no foreign objects are inside; If noise persists, contact service. |
For issues not listed here or if problems persist, please contact CROSSON customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | CROSSON |
| Model Number | CMO-25L |
| Capacity | 25 Liters (0.9 Cu.Ft) |
| Wattage | 1000 watts (Cooking), 1500 watts (Total) |
| Voltage | 120 Volts |
| Item Weight | 32.4 Pounds |
| Product Dimensions (D x W x H) | 17 x 20.12 x 12.24 inches |
| Installation Type | Countertop |
| Material Type | Stainless Steel |
| Special Features | Timer, 10 Programmable Memory Menu, 5 Power Levels, 3 Stage Cooking, Touch Screen Control, 24H Continuous Operation |
| Included Components | Wires |
9. Product Video Overview
Video 1: An official product video from CROSSON-Catering Equipment, demonstrating the features and operation of the Commercial Countertop 25L Microwave Oven.
10. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or contact CROSSON customer service directly. Keep your purchase receipt as proof of purchase for any warranty claims.