Troubleshooting

3.Tip the vent grille forward and down, then lift out to remove.

4.Lift up the bulb cover.

A. Bulb cover

5. Replace light. Close bulb cover.

6. Reattach vent grille. Replace the mounting screws.

7. Plug in microwave oven or reconnect power.

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

Nothing will operate

Turntable will not operate

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

Replace the fuse or reset the circuit breaker. If the problem continues, call an electrician.

■Is the appliance wired properly?

See Installation Instructions provided with your microwave oven.

Microwave oven will not operate

■Is the door completely closed? Firmly close door.

■Has the microwave oven been inactive and the door closed for more than 5 minutes?

Open and close the door. See “Start” section.

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

Remove spacer, then firmly close door.

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

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

■On some models, is the Demo Mode activated? See “Demo Mode” 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.

Microwave oven makes humming noise

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

Microwave oven door looks wavy

■This is normal and will not affect performance.

■Has the tape been removed from turntable hub? See “Turntable” section.

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

Turntable alternates rotation directions

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

Display shows messages

■Is the display showing an “Oven Status” screen, with a letter/number code and instruction to inform KitchenAid? The microwave oven has detected an internal problem. It has run a self-checking program and displayed the error. Call for service. See “Assistance or Service” section.

Display shows time countdown, but is not operating

■Is the Timer in use? See “Timer” section.

■On some models, is the Demo Mode in use? See “Demo Mode” section.

Tones are not sounding

■Are tones turned off? See “Tones” section.

KHMS1850S specifications

The KitchenAid KHMS1850S is a versatile and powerful over-the-range microwave designed to enhance your cooking experience while adding an elegant aesthetic to your kitchen. This model stands out with its sleek stainless steel finish, offering a modern look that complements various kitchen designs.

One of the key features of the KHMS1850S is its 1.8 cubic feet of cooking space, providing ample room for heating, defrosting, and cooking a wide array of foods. This microwave boasts a powerful 900 watts of cooking power, ensuring that meals are cooked quickly and evenly. The appliance operates on a variety of power levels, allowing users to customize cooking temperatures according to their specific needs.

Adding to its versatility, the KitchenAid KHMS1850S includes a microwave sensor cooking feature. This innovative technology automatically adjusts cooking times and power levels based on the moisture released from the food, ensuring optimal cooking results without the need for constant monitoring. Users can also take advantage of the one-touch controls for quick access to specific settings, such as popcorn or reheat.

The kitchen appliance is equipped with a convenient venting system that effectively removes smoke, steam, and odors from the kitchen while cooking. With both a recirculating and external venting option, the KHMS1850S can adapt to various kitchen setups and provide high-quality airflow.

In terms of ease of use, the microwave features an easy-to-read LED display, which simplifies operation even in low-light conditions. The interior is designed for easy cleaning, featuring a non-stick finish that minimizes food debris buildup and enhances hygiene.

The KitchenAid KHMS1850S also integrates safety features such as child lock settings to prevent unintended use. Its quiet operation ensures that it won’t disrupt your kitchen atmosphere, making meal preparation more enjoyable.

With its combination of advanced technologies, user-friendly controls, and stylish design, the KitchenAid KHMS1850S is a top choice for anyone looking to elevate their kitchen experience. Whether you're reheating leftovers, cooking a quick meal, or preparing snacks, this microwave offers the performance and convenience that every modern kitchen demands.

KitchenAid KHMS1850S manual Troubleshooting

Models: KHMS1850S