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14
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 a circuit breaker
tripped?
Replace the fuse or reset the circuit breaker. If the problem
continues, call an electrician.
Microwave oven will not operate
■ 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, try the steps
below. If microwave oven still does not operate, call for
service. See “Assistance or Service” section.
■ Is the door completely closed?
Firmly close door.
■ Is a packaging spacer (on some models) attached to the
inside of the door?
Remove packaging 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.
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 support and 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 beginning of
cycle.
Display shows messages
■ Is the display showing “:”?
The clock has not been set. See “Display” section to clear
display. See “Clock” section to reset the clock.
■ 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 the microwave oven
is not operating
■ Is the Timer in use?
See “Timer” section.
Tones are not sounding
■ Are tones turned off?
See “Tones” section.
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
“Microwave Oven Safety?”
Have a qualified electrician check the electrical system in the
home.
Interference with radio, TV, cordless phone, etc.
■ Is the microwave oven plugged into the same outlet?
Try a different outlet for the electronic device.
■ 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.