Troubleshooting - KitchenAid KBMS1454S Use And Care Manual

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 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 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 in use?
See "Demo Mode" section.
Does "DOOR" appear in the display?
Open and close the microwave oven door, and then touch
START. See "Start" 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.
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 the
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.
14

TROUBLESHOOTING

Turntable alternates rotation directions
This is normal and depends on motor rotation at beginning of
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
On some models, 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
On some models, are tones turned off?
See "Tones" section.
Fan running slower than usual
Has the microwave oven been stored in a cold area?
The fan will run slower until the microwave oven warms up to
normal room temperature.
Cooking times seem too long
Is the cooking power set properly?
See "Microwave Cooking Power" section.
Are large amounts of food being heated?
Larger amounts of food need longer cooking times.
Is the incoming voltage less than that specified in
"Built-In Microwave Oven Safety?"
Have a qualified electrician check the electrical system in the
home.
Radio, TV or cordless phone 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.
Is the cordless phone frequency 2.4 GHz?
Some 2.4 GHz-based cordless phones and home wireless
networks may experience static or noise while the microwave
oven is on. Use a corded phone, a different frequency
cordless phone, or avoid using these items during microwave
oven operation.