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Troubleshooting - KitchenAid KBMS1454R Use & Care Manual

Built-in microwave oven
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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
Replace the fuse or reset the circuit.
Is the appliance wired properly?
See Installation Instructions provided with your microwave
Oven will not operate
Is the door completely closed?
Firmly close door.
Is a spacer (on some models) attached to the inside of the
Remove spacer, 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
Turntable alternates directions
This is normal and depends on motor rotation at beginning of
Display shows messages
Is the display showing an "Oven Status" screen, with a
letter/number code and instruction to inform KitchenAid?
The 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.
Steam is coming from the vent grille
Some steam is normal.
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
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.



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