Troubleshooting

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

Nothing will operate

Display shows messages

■Has a household fuse blown, or has the 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.

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

■Is the Control Lock set? See “Control Lock” section.

■Is the magnetron working properly?

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.

■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 microwave oven is not operating

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

Tones are not sounding

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

Smoke is coming from oven vent during broiling

■Some smoke is normal and occurs just as in conventional broiling.

Microwave oven makes humming noise

■This is normal and occurs when the power supply in the magnetron cycles on.

Sparks during broiling

■Sparking is caused by the burning off of fat from previous cooking, and will stop once all the fat has been burned off.

Microwave 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 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 is still not working, call for service. See “Assistance or Service” section. Do not operate the microwave oven without turntable and turntable support working properly.

Turntable rotates both directions

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

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.

KBMC140, KBMC147, YKBMC140 specifications

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