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18
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 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.
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 oven control set correctly?
See “Microwave Oven Control” section.
■ On some models, is the Control Lock set?
See “Control 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
■ Has the tape been removed from the 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 “:”?
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 the clock or to turn it on.
■ Is the display showing a letter followed by a number?
See “Display” section to clear. If it reappears, 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 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 specified in “Microwave
Hood Combination 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 or a different frequency
cordless phone, or avoid using these items during microwave
oven operation.