1. Important Safety Instructions
When using electrical appliances, basic safety precautions should always be followed to reduce the risk of burns, electric shock, fire, injury to persons, or exposure to excessive microwave energy.
- Read all instructions before using the appliance.
- Do not operate the oven when empty.
- Do not heat sealed containers, as they may explode.
- Ensure proper ventilation around the unit.
- Do not allow children to use the microwave without supervision.
- This appliance requires a dedicated 20-amp circuit with a NEMA 5-20P receptacle. Improper electrical connection can result in fire or electric shock.
- Regularly inspect the microwave for any damage to the door, seals, or interior. Do not operate if damaged.
2. Product Overview
The Amana RFS12TS is a medium-duty commercial microwave oven designed for reliable performance in various professional settings. It features a durable stainless steel exterior and interior, a 1.2 cubic foot capacity, and 1200 watts of cooking power. The unit incorporates advanced features such as 4-stage cooking, 5 power levels, and 100 programmable memory settings for efficient operation. Its user-friendly design includes an LED display, touch controls, and ADA-compliant Braille touch pads.

Figure 2.1: Front view of the Amana RFS12TS Commercial Microwave Oven, showcasing its stainless steel finish and control panel.
3. Installation and Setup
3.1 Unpacking
- Carefully remove all packaging materials from the microwave oven and its interior.
- Inspect the oven for any signs of damage during transit. Do not install if damaged.
3.2 Placement
- Place the microwave oven on a flat, stable, and level surface capable of supporting its weight (approximately 64 lbs).
- Ensure adequate clearance around the oven for proper ventilation. Maintain at least 4 inches (10 cm) of space on the top, sides, and rear.
- Do not block any ventilation openings.
3.3 Electrical Requirements
This appliance requires a dedicated electrical supply to ensure safe and optimal performance.
- Voltage: 120V, 60Hz, Single-Phase
- Amperage: 16.0 Amps (20 MCA - Minimum Circuit Amps)
- Total Wattage: 2000 Watts
- Plug Type: NEMA 5-20P (20-amp, 3-prong grounding plug)
- Ensure the electrical outlet is a dedicated 20-amp circuit. If your current outlet does not match the NEMA 5-20P configuration, consult a qualified electrician for proper installation. Do not use adapter plugs or extension cords.
3.4 Initial Cleaning
Before first use, wipe the interior and exterior surfaces with a damp cloth to remove any dust or manufacturing residues.
4. Operating Instructions
4.1 Control Panel Overview
The control panel features an LED display, numerical touch buttons (0-9), and dedicated function buttons for power levels and programming. The Braille touch pads are ADA-compliant.

Figure 4.1: Interior view of the Amana RFS12TS with the door open, showing the sealed-in ceramic shelf and lighted interior.
4.2 Basic Cooking
- Place food in a microwave-safe container on the sealed-in ceramic shelf.
- Close the side-hinged door firmly.
- Enter the desired cooking time using the numerical touch buttons. The maximum cooking time is 60 minutes.
- Select a power level (e.g., 100%, 70%, 50%, 20%, 0%) by pressing the corresponding button. If no power level is selected, the oven defaults to 100% power.
- Press the 'Start' button to begin cooking.
- An audible signal will sound at the end of the cooking cycle.
4.3 4-Stage Cooking
The 4-stage cooking feature allows you to program up to four consecutive cooking stages, each with its own time and power level.
- Enter the time and power level for the first stage.
- Press the 'Stage' button (refer to your specific model's button layout for exact labeling).
- Enter the time and power level for the second stage. Repeat for up to four stages.
- Press 'Start' to begin the multi-stage cooking process.
4.4 Memory Settings
The oven can store up to 100 customized cooking programs for frequently used items.
- To program a memory setting, follow the instructions in your full user manual for entering a specific program number, cooking time, and power level.
- To recall a memory setting, press the corresponding memory button (e.g., 'M1', 'M2', or enter the memory number) and then 'Start'.
5. Care and Maintenance
5.1 Cleaning the Interior
- Always unplug the microwave before cleaning.
- Wipe the interior cavity, including the sealed-in ceramic shelf, with a soft cloth dampened with mild soap and water.
- For stubborn food splatters, place a bowl of water with lemon slices inside and heat for a few minutes to create steam, then wipe clean.
- Do not use abrasive cleaners, scouring pads, or harsh chemicals, as these can damage the stainless steel finish.
5.2 Cleaning the Exterior
- Clean the exterior surfaces with a soft, damp cloth.
- For stainless steel surfaces, use a specialized stainless steel cleaner and polish in the direction of the grain.
- Keep the control panel clean and dry.
6. Troubleshooting
Before contacting service, review these common issues and solutions:
| Problem | Possible Cause / Solution |
|---|---|
| Oven does not start | Ensure the power cord is securely plugged into a dedicated 20-amp outlet. Check the circuit breaker. Ensure the door is fully closed and latched. |
| Food not heating properly | Verify the cooking time and power level settings. Ensure food is in a microwave-safe container. Check if the door is properly sealed. |
| Unusual noise during operation | A cooling fan operates during and after cooking; this is normal. If the noise is excessive or accompanied by burning odors, unplug the unit immediately and contact service. |
| LED display is blank | Check power supply. If power is present but display is off, contact service. |
7. Specifications
| Feature | Detail |
|---|---|
| Model | RFS12TS |
| Capacity | 1.2 Cubic Feet |
| Power Output | 1200 Watts |
| Electrical Requirements | 120V, 60Hz, 1-ph, 16.0 Amps, 20 MCA, 2000 Watts (Total) |
| Plug Type | NEMA 5-20P |
| Material | Stainless Steel Exterior & Interior |
| Controls | Push Button, Touch Control, ADA-compliant Braille Touch Pads |
| Cooking Stages | 4-Stage Cooking |
| Power Levels | 5 |
| Memory Settings | 100 |
| Max Cooking Time | 60 Minutes |
| Display | LED |
| Door Type | Side Hinged with Tempered Glass |
| Interior Features | Lighted Interior, Sealed-in Ceramic Shelf |
| Certifications | cETLus, ETL-Sanitation |

Figure 7.1: Dimensions of the Amana RFS12TS Commercial Microwave Oven: 21.75" W x 21" D x 14.75" H.
8. Warranty and Support
For detailed warranty information, technical support, or service inquiries, please contact Amana customer service directly. Warranty terms and conditions may vary, and it is important to confirm coverage, especially for commercial versus residential applications.
Refer to the official Amana website or the documentation included with your purchase for the most current contact information and warranty details.





