Whirlpool MH9180XL Microwave Oven User Manual


 
17
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 been blown or has the circuit
breaker been tripped?
Replace the fuse or reset the circuit.
Is the appliance wired properly?
See Installation Instructions.
Oven will not operate
Is the door completely closed?
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?
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. Put in 1 cup (250 mL) of water, then restart
oven. If 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 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 Learning Mode in use?
See Demo Learning Mode section.
Tones are not sounding
Are tones turned off?
See To nes section.
Steam is coming from the vent grille
Some steam is normal.
Fan running slower than usual
The oven has 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
home.
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.
Is the microwave oven door and sealing surfaces clean?
Make sure these areas are clean.