Introduction
Thank you for choosing the Chefman 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 first use and retain it for future reference.

Front view of the Chefman Countertop Microwave Oven.
Important Safeguards
When using electrical appliances, basic safety precautions should always be followed, including the following:
- Read all instructions before using the appliance.
- Do not operate any appliance with a damaged cord or plug, or after the appliance malfunctions or has been damaged in any manner.
- Do not use outdoors.
- Do not let cord hang over edge of table or counter, or touch hot surfaces.
- To reduce the risk of fire in the oven cavity:
- Do not overcook food.
- Remove wire twist-ties from paper or plastic bags before placing bags in oven.
- If materials inside the oven should ignite, keep oven door closed, turn oven off, and disconnect the power cord.
- Do not heat liquids or other foods in sealed containers since they are liable to explode.
- Do not use corrosive chemicals or vapors in this appliance.
- This appliance is intended for household use only.
- Close supervision is necessary when any appliance is used by or near children.
- Always ensure the turntable and roller ring are correctly positioned before operation.
- 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.
Product Overview
The Chefman Countertop Microwave Oven is designed for versatile cooking with user-friendly features.

The microwave features 6 presets, a mute button, Eco Mode, and a +30 seconds quick start option.

Dimensions: 15.75"D x 20.19"W x 12.09"H.
Setup
- Unpacking: Carefully remove the microwave oven and all packing materials from the carton.
- Placement: Place the microwave on a flat, stable surface that is strong enough to hold the oven and the food being cooked. Ensure there is adequate ventilation space around the unit (at least 3 inches on the sides and back, and 12 inches above).
- Power Connection: Plug the power cord into a standard 3-prong grounded electrical outlet. Do not use an extension cord.
- Turntable Installation:
- Place the roller ring in the depression on the bottom of the microwave oven.
- Place the glass turntable on top of the roller ring, ensuring it sits securely on the center hub.

Ensure the glass turntable is correctly placed on the roller ring before use.
Operating Instructions
Control Panel Overview
The control panel features a digital display and various buttons for different cooking functions.

The control panel with various function buttons and digital display.
Basic Cooking
- Place food in a microwave-safe container on the turntable.
- Close the microwave door securely.
- Enter the desired cooking time using the number pad.
- Press the START button to begin cooking.
- To adjust power level, press the POWER button and then select a power level from 1 to 10 using the number pad.
Express Cook Presets
The microwave includes 6 preset options for common foods:
- Popcorn: For preparing popcorn.
- Potato: For cooking potatoes.
- Pizza: For reheating pizza slices.
- Veggies: For steaming or cooking vegetables.
- Beverages: For heating drinks.
- Leftovers: For reheating various leftover dishes.
To use a preset, simply place the food in the microwave and press the corresponding preset button.
Memory Function
Save frequently used cooking settings for quick access.
- Program your desired cooking time and power level.
- Press and hold the MEMORY button (or equivalent, refer to your specific model's panel) to save the setting.
- To recall, press the MEMORY button once and then START.

The Memory function allows saving up to three frequently used settings for one-touch cooking.
Multiphase Cooking
This feature allows you to program two different cooking cycles with varying power levels and times for a single food item.
- Program the first cooking stage (time and power level).
- Press the TIME COOK button again (or equivalent).
- Program the second cooking stage (time and power level).
- Press START. The microwave will automatically switch between stages.

Program the microwave to cook at two different power levels back to back.
Mute Function
To silence beeps and alarms, press and hold the MUTE button (or equivalent) for a few seconds. Repeat to re-enable sounds.
Eco Mode
Activate Eco Mode to reduce energy consumption by turning off the LED display when the microwave is not in use. Press the ECO MODE button to toggle this feature.
Quick Start (+30 Seconds)
Press the +30 SECONDS button to instantly start cooking for 30 seconds at full power. Each additional press adds 30 seconds to the cooking time.
Child Safety Lock
To prevent unintended operation, activate the child safety lock.
- To activate: Press and hold the STOP/CANCEL button for 3 seconds until a lock indicator appears on the display.
- To deactivate: Press and hold the STOP/CANCEL button again for 3 seconds until the lock indicator disappears.

The child safety lock prevents the microwave from being started.
Maintenance and Cleaning
Regular cleaning helps maintain the performance and longevity of your microwave oven.
- Interior Cleaning: Wipe the interior cavity with a damp cloth after each use. For stubborn stains, use a mild detergent or a microwave-safe cleaner.
- Turntable: The glass turntable is removable and dishwasher safe for easy cleaning.
- Exterior Cleaning: Wipe the exterior surfaces with a soft, damp cloth. Avoid abrasive cleaners or scouring pads.
- Door Seals: Keep the door seals clean to ensure proper closure and efficient operation.

The microwave features an easy-clean interior and a dishwasher-safe turntable.
Troubleshooting
If you experience issues with your microwave, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Microwave does not start. | Power cord not plugged in; door not closed properly; child lock activated. | Ensure power cord is securely plugged in. Close door firmly. Deactivate child lock by holding STOP/CANCEL for 3 seconds. |
| Food not heating. | Incorrect cooking time/power level; power outage. | Check cooking settings. Verify power supply. |
| Turntable not rotating. | Turntable or roller ring not positioned correctly; debris underneath. | Reposition turntable and roller ring. Clean any debris from the turntable area. |
| Unusual noise during operation. | Loose turntable components; foreign object inside. | Ensure turntable and roller ring are correctly seated. Check for any foreign objects and remove them. |
If the problem persists, please contact Chefman customer support.
Specifications
| Feature | Detail |
|---|---|
| Brand | Chefman |
| Model Number | RJ55-SS-11 |
| Capacity | 1.1 cubic feet |
| Wattage | 1000 watts |
| Power Levels | 10 |
| Product Dimensions (D x W x H) | 15.75"D x 20.19"W x 12.09"H |
| Material | Stainless Steel |
| Color | Stainless Steel |
| Voltage | 120 volts |
| Frequency | 60 hertz |
| Special Features | +30 Seconds, Eco Mode, Mute Option, Turntable |
| Included Components | User Guide |
Warranty and Support
Warranty: This Chefman Countertop Microwave Oven comes with a 1-year assurance provided by Chefman. For detailed warranty information, please refer to the official user guide.
Support: For any questions, technical assistance, or warranty claims, please visit the official Chefman website or refer to the included User Guide (PDF) for contact information.
You can download the official User Guide (PDF) here.