Troubleshooting

Try the solutions suggested here first in order to avoid the cost of an unnecessary service call.

Nothing will operate

■Has a household fuse blown or has a circuit breaker tripped?

Replace the fuse or reset the circuit.

Display shows messages

■Is the display showing “:”?

There has been a power failure or the Clock time has been turned off. See “Display” section to clear display. See “Clock” section to reset or turn on Clock.

Oven will not operate

■Is the door completely closed? Firmly close door.

■Is a spacer (on some models) attached to the inside of the door?

Remove spacer and then firmly close door.

■Is the electronic oven control set correctly? See “Microwave Oven Control” section.

■On some models, is the Child Lock set? See “Child Lock” section.

■Is the magnetron working properly?

Try to heat 1 cup (250 mL) of cold water for 2 minutes at 100% cooking power. If water does not heat, call for service. See “Assistance or Service” section.

Oven makes humming noise

■This is normal and occurs when the power supply switches the magnetron on and off.

Oven door looks wavy

■This is normal and will not affect performance.

Turntable will not operate

■Is the turntable properly in place?

Make sure turntable is correct side up and is sitting securely on the turntable support.

■Is the turntable support operating properly?

Remove turntable. Remove and replace turntable support. Replace turntable. Place 1 cup (250 mL) of water on the turntable, then restart oven. If it still is not working, call for service. See “Assistance or Service” section. Do not operate the oven without turntable and turntable support working properly.

Fan running slower than usual

■Has the oven been stored in a cold area?

The fan will run slower until the oven warms up to normal room temperature.

Cooking times seem too long

■Is the cooking power set properly? See “Cooking Power” section.

■Are large amounts of food being heated?

Larger amounts of food need longer cooking times.

■Is the incoming voltage less than specified in “Microwave Oven Safety?”

Have a qualified electrician check the electrical system in the home.

Radio or TV Interference

■Is the microwave oven plugged into the same outlet? Try a different outlet.

■Is the radio or TV receiver near the microwave oven? Move the receiver away from the microwave oven, or adjust the radio or TV antenna.

■Are the microwave oven door and sealing surfaces clean? Make sure these areas are clean.

Turntable rotates in both directions

■This is normal and depends on motor rotation at the beginning of the cycle.

MT4155SP specifications

The Whirlpool MT4155SP is a versatile and innovative kitchen appliance designed to enhance the cooking experience for modern households. This microwave oven incorporates a blend of functional features, cutting-edge technologies, and contemporary design, making it a preferred choice for many.

One of the standout characteristics of the MT4155SP is its capacity. With a generous interior space, it accommodates a variety of cooking vessels, from large casserole dishes to standard dinner plates. This spacious design not only allows for cooking larger meals but also provides flexibility in meal preparation, making it ideal for both daily use and special occasions.

The microwave features a powerful wattage that ensures efficient and even cooking. With several power levels available, users can adjust cooking intensity according to their specific needs, be it defrosting, reheating, or cooking a meal from scratch. This versatility ensures that you can achieve optimal results, no matter the dish.

Whirlpool has also integrated smart sensor technology into the MT4155SP. This technology automatically detects humidity and adjusts cooking times accordingly, preventing overcooking and ensuring perfectly cooked food every time. Such convenience is invaluable, especially for users who may not be experts in the kitchen.

Another notable feature is the easy-to-use control panel. With a user-friendly interface, it offers straightforward navigation through various cooking settings. The one-touch options allow for quick access to frequently used functions, such as popcorn, pizza, and reheat, making the cooking process seamless.

In terms of design, the Whirlpool MT4155SP boasts a sleek, modern look that complements any kitchen decor. Its stainless steel finish not only adds a touch of elegance but is also easy to clean and maintain. The compact size makes it suitable for kitchens with limited space, while its stylish appearance ensures it blends harmoniously with other kitchen appliances.

The microwave's energy-efficient design is another critical characteristic, as it optimizes power usage and contributes to lower energy bills. This focus on sustainability aligns with contemporary trends in kitchen technology.

In conclusion, the Whirlpool MT4155SP microwave oven is a harmonious blend of capacity, power, smart technology, and design. Its user-friendly features and stylish aesthetics make it a standout choice for anyone looking to simplify their cooking experience while enhancing their kitchen space.