Whirlpool MH2175XS, Use & Care Manual

16

Replacing Microwave Oven Light

The microwave oven light is a candelabra base bulb. It will 
automatically come on when the door is opened and when the 
microwave oven is operating. See “Assistance or Service” 
section to reorder.

To Replace:

1. Unplug microwave oven or disconnect power.

2. Remove the 2 vent grille mounting screws located directly 

behind the top louver.

3. Tip the vent grille forward and down, then lift out to remove.

4. Lift up the bulb cover.

A. Bulb cover

5. Replace light. Close bulb cover.

6. Reattach vent grille. Replace the mounting screws.

7. Plug in microwave oven or reconnect power.

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 provided with your microwave 
oven.

Microwave 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 microwave oven control set correctly?
See “Microwave Oven Control” section.

■

On some models, is the Control Lock set?
See “Control Lock” section.

■

On some models, is the Demo Mode activated?
See “Demo Mode” 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.

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

■

Has the tape been removed from 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.

A. Vent grille
B. Top louver

C. Mounting screws

A       B

C

A