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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.
■ Is the appliance wired properly?
See Installation Instructions.
Display shows messages
■ Is the display showing “PF”, “PF id=27” or “PF id=30”?
There has been a power failure. Clear the display. For further
information, see the lower oven Use and Care Guide.
■ Is the display showing a letter followed by a number?
Clear the display. For further information, see the lower oven
Use and Care Guide. If the message reappears, call for
service. See “Assistance or Service” section.
Microwave oven will not operate
■ Is the door completely closed?
Firmly close door.
■ Is the electronic oven control set correctly?
See the lower oven Use and Care Guide.
■ On some models, is the Control Lock set?
See the lower oven Use and Care Guide.
■ On combination oven models, is the lower oven self-
cleaning?
The upper oven will not work during the lower oven Self-
Cleaning Cycle.
■ 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.
Microwave oven makes humming noise
■ This is normal and occurs when the transformer in the
magnetron cycles on.
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 replace turntable support.
Replace turntable. Put in 1 cup (250 mL) of water, then restart
oven. If it is still not working, call for service. See “Assistance
or Service” section. Do not operate the oven without
turntable and turntable support working properly.
Turntable rotates both directions
■ This is normal and depends on motor rotation at beginning of
cycle.
Display shows time countdown, but is not operating
■ Is the Minute Timer in use?
See the lower oven Use and Care Guide.
Tones are not sounding
■ Are tones disabled?
See the lower oven Use and Care Guide.
Cooking times seem too long
■ Is the cooking power set properly?
See “Cooking Power” in “Microwave Oven Use” 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 “Parts
and Features?”
Have a qualified electrician check the electrical system of the
house.