Whirlpool MT1120SL User Manual download pdf (Page 13)

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.

Oven will not operate

■ Is the door completely closed?

Firmly close door.

■ Is a spacet (on some models) attached to the inside of the

door?

Remove spacer and 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 transformer in the

magnetron cycles on.

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. Place 1 cup (250 mL) of water on the

turntable, then restart oven. If it still is not working, call for

service. See “Assistance or Service” section. Do not operate

the oven without turntable and turntable support working

properly.

Turntable rotates in 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 or turn on Clock.

Fan running slower than usual

■ Has the oven 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.

■ Are the microwave oven door and sealing surfaces clean?

Make sure these areas are clean.

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Whirlpool MT1120SL User Manual Page 13

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